Stiga Lawn Mower PRO 16 User Guide

STIGA PARK  
4WD  
PRO 25  
PRO 20  
PRO 16  
PRO Svan  
8211-0005-70  
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8
7
U
V
Max  
10  
9
Pro16 Pro20  
Pro25  
W
W
12  
11  
Pro Svan  
Pro25  
X
W
3
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14  
13  
15  
17  
10 Ampere  
0
1
16  
Pro25  
Pro16 Pro20  
B
A
Y
Y
18  
Pro16 Pro20  
Pro Svan  
Z
Z
Y
4
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20  
22  
24  
19  
21  
23  
Pro25  
Z
G
H
F
5
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26  
28  
30  
25  
Pro16 Pro20  
B
A
27  
Pro25  
Pro Svan  
D
C
E
A
B
E
29  
6
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32  
31  
33  
35  
34  
F
G
H
J
7
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EN  
ENGLISH  
1 GENERAL  
2 DESCRIPTION  
This symbol indicates WARNING. Seri-  
ous personal injury and/or damage to  
property may result if the instructions  
are not followed carefully.  
You must read these instructions for use  
and the accompanying pamphlet  
“SAFETY INSTRUCTIONS” careful-  
ly, before starting up the machine.  
2.1 Drive  
The machine has 4-wheel drive. The power from  
the engine to the drive wheels is transferred hy-  
draulically. The engine drives an oil pump, which  
pumps oil through the rear and front axle drives.  
The front axle and rear axle are connected in se-  
ries, which means that the front wheels and rear  
wheels are forced to rotate at the same speed.  
To make turning easier, both axles are equipped  
with differential.  
Front-mounted implements are powered via drive  
belts.  
1.1 SYMBOLS  
The following symbols appear on the machine.  
They are there to remind you of the care and atten-  
tion required during use and maintenance.  
This is what the symbols mean:  
2.2 Steering  
The machine is articulated. This means that the  
chassis is divided into a front and a rear section,  
which can be turned in relation to each other.  
The articulated steering means that the machine  
can turn around trees and other obstacles with an  
extremely small turning radius.  
Warning!  
Read the instruction manual and the safety  
manual before using the machine.  
Warning!  
Watch out for discarded objects. Keep on-  
lookers away.  
Warning!  
Always wear hearing protectors.  
2.3 Safety system  
The machine is equipped with an electrical safety  
system. The safety system interrupts certain activ-  
ities that can entail a danger of incorrect manoeu-  
vres. For example, the engine cannot be started if  
the clutch-parking brake pedal is depressed.  
Warning!  
This machine is not designed to be driven  
on public roads.  
Warning!  
The machine, equipped with original ac-  
cessories, must not be driven in any direc-  
tion on slopes with a gradient greater than  
10º.  
The operation of the safety system must  
always be checked every time before  
use.  
Warning!  
2.4 Controls  
2.4.1 Implement lifter, mechanical (3:C)  
(Pro16)  
To switch between working position and transport  
position:  
1. Depress the pedal fully.  
2. Release the pedal slowly.  
Risk of crushing injuries. Keep hands and  
feet well away from the articulated steer-  
ing joint.  
Warning!  
Risk of burn injuries. Do not touch the si-  
lencer/catalytic converter.  
1.2 References  
1.2.1 Figures  
2.4.2 Implement lifter, hydraulic (5:M)  
(Pro20, Pro25, Pro Svan)  
The hydraulic implement lifter only works when  
the engine is running and the clutch pedal and  
parking brake pedal are not depressed. The imple-  
ment lifter is controlled using the lever (5:M).  
The figures in these instructions for use are num-  
bered 1, 2, 3, etc.  
Components shown in the figures are marked A, B,  
C, etc.  
A reference to component C in figure 2 is written  
“2:C”.  
The lever has the following four positions:  
1.2.2 Headings  
Floating position. Move the lever to its  
front position, where it locks. The imple-  
ment is now lowered to its floating posi-  
tion.  
In the floating position, the implement  
always rests against the ground at the  
The headings in these instructions for use are num-  
bered in accordance with the following example:  
“1.3.1 General safety check” is a subheading to  
“1.3 Safety checks” and is included under this  
heading.  
When referring to headings, only the number of the  
heading is normally specified. E.g. “See 1.3.1”.  
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same pressure and can follow the contours of the  
2.4.5 Driving-service brake (3:F)  
ground.  
The pedal (3:F) determines the gearing ratio be-  
tween the engine and the drive wheels (= the  
speed). When the pedal is released, the service  
brake is activated.  
Use the floating position when carrying out work.  
Lowering. The implement lowers re-  
gardless of its weight.  
1. Press the pedal forward –  
the machine moves forward.  
2. No load on the pedal – the ma-  
chine is stationary.  
3. Press the pedal backward –  
the machine reverses.  
4. Reduce the pressure on the  
pedal – the machine brakes.  
Locking in the transport position. The  
lever has returned to the neutral position  
after raising and lowering. The imple-  
ment is locked in the transport position.  
Raising. Move the lever to the rear posi-  
tion until the implement is in the highest  
position (transport position). Then re-  
lease the lever to lock in the transport po-  
sition.  
There is an adjustment plate on the upper section  
of the pedal. The adjustment plate can be adjusted  
to three (3) positions to suit the driver’s foot.  
2.4.3 Clutch-parking brake (3:B)  
Never press the pedal while driving.  
There is a risk of overheating in the  
power transmission.  
2.4.6 Steering wheel (3:D)  
The height of the steering wheel is infinitely ad-  
justable. Undo the adjustment knob (3:E) on the  
steering column and raise or lower the steering  
wheel to the desired position. Tighten.  
The pedal (3:B) has the follow-  
ing three positions:  
Do not adjust the steering wheel during  
operation.  
Never turn the steering wheel when the  
machine is stationary with a lowered  
implement. There is a risk of abnormal  
loads on the servo and steering mecha-  
nisms.  
Released. The clutch is not activated. The park-  
ing brake is not activated.  
Depressed halfway. Forward drive disengaged.  
The parking brake is not activated.  
Pressed down. Forward drive disengaged. The  
parking brake is fully activated but not locked.  
2.4.7 Throttle control (4,5:G)  
Control for setting the engine’s revs.  
1. Full throttle – when the machine is in  
operation, full throttle should always be  
used.  
2.4.4 Inhibitor, parking brake (3:A)  
The inhibitor locks the “clutch-brake”  
pedal in the depressed position. This func-  
tion is used to lock the machine on slopes,  
during transport, etc., when the engine is  
not running.  
2. Idling.  
Locking:  
2.4.8 Choke control (4,5:H)  
A pull-type control to choke the engine when start-  
ing from cold.  
1. Depress the pedal (3:B) fully.  
2. Move the inhibitor (3:A) to the right.  
3. Release the pedal (3:B).  
4. Release the inhibitor (3:A).  
Unlocking:  
1. Control fully pulled out – choke valve  
in carburettor closed. For starting cold en-  
gine.  
2. Control pushed in – choke valve open.  
For starting warm engine and when oper-  
ating the machine.  
Press and release the pedal (3:B).  
Never operate the machine with the choke  
pulled out when the engine is warm.  
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2.4.9 Ignition lock/headlight (4,5:I)  
2.4.13 Cutting height adjustment (4,5:J)  
The ignition lock is used for starting and stopping  
the engine. The ignition lock is also the switch for  
the headlight.  
The machine is equipped with a control for using  
the cutting deck with electrical cutting height ad-  
justment.  
Do not leave the machine with the key  
in position 2 or 3. There is a fire risk,  
fuel can run into the engine through the  
carburettor, and there is a risk of the  
battery being discharged and damaged.  
The switch is used to adjust the cutting  
height in continuously variable positions.  
The cutting deck is connected to the contact (2:Q).  
2.4.14Rear Rake (5:L)  
Four positions:  
(Pro20, Pro25, Pro Svan)  
1. Stop position – the engine is short-cir-  
cuited. The key can be removed.  
The machine is fitted with a control for electrical  
adjustment of a rear rake (available as an  
accessory).  
2. Operating position – headlight activat-  
ed.  
The switch is used to raise and lower the  
rear rake.  
3. Operating position – headlight not acti-  
vated.  
Cables for connecting the rear rake are found at the  
rear of the machine, to the left of the upper side of  
the bumper.  
4. Start position – the electric start motor  
is activated when the key is turned to the  
spring-loaded start position. Once the en-  
gine has started, let the key return to oper-  
ating position 3.  
Turn the key to position 2 to light the  
headlight.  
2.4.15 Sand spreader (6:O)  
(Pro20, Pro25, Pro Svan)  
The machine has been designed for electrical ad-  
justment of a sand spreader (accessory).  
The switch is used to start and stop the  
spreader.  
12V  
2.4.10 Power take-off (4,5:K)  
Cables for connecting the sand spreader are at the  
rear of the machine.  
Switch for engaging/disengaging the electromag-  
netic power take-off for operating front-mounted  
accessories. Two positions:  
2.4.16 Clutch release lever (6:R)  
1. Press the front part of the switch – the  
power take-off is engaged. The symbol  
will light up.  
2. Press the rear part of the switch – the  
power take-off is disengaged.  
A lever for disengaging the variable transmission.  
Enables the machine to be moved by hand without  
the help of the engine.  
The disengagement lever must never be  
between the outer and inner positions.  
This overheats and damages the trans-  
mission.  
2.4.11 Hour meter (2:P)  
Indicates the number of working hours. Only  
works when the engine is running.  
Two positions:  
1. Lever out – transmission en-  
gaged for normal operation.  
There is an audible click when  
the lever locks in the outer posi-  
tion.  
2. Lever in – transmission disen-  
gaged. The machine can be  
moved by hand.  
2.4.12 Cruise control (5, 6:N)  
A switch for activating the cruise control. The  
cruise control locks the pedal (3:F) in the desired  
position.  
1. Press down the pedal (3:F) until the de-  
sired speed is obtained. Then press the  
front part of the switch to activate the  
cruise control. The symbol will light up.  
2. Disengage the cruise control by releas-  
ing it with the pedal (3:B) or pressing the  
rear part of the switch.  
The machine may not be towed over long distances  
or at high speeds. The transmission could be dam-  
aged.  
2.4.17 Seat (1:T)  
The seat can be folded and adjusted front-  
rear. The seat can be adjusted as follows:  
1. Move the control lever (1:T) upwards.  
2. Set the seat to the desired position.  
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3. Release the control lever (1:S) to lock the seat.  
3 AREAS OF USE  
The machine may only be used for the following  
tasks using the genuine STIGA accessories stated.  
The seat is equipped with a safety switch that is  
connected to the machine’s safety system. This  
means that certain dangerous activities are not pos-  
sible when there is nobody sitting on the seat. Also  
see 4.3.2.  
Work  
Mowing  
Accessories, STIGA genuine  
Using mowing decks:  
2.4.18 Engine casing (7:U)  
95C, 95C El, 105C, 105C El,  
121 M, 121 M El, 110 Combi  
Pro, 110 Combi Pro El, 125  
Combi Pro, 125 Combi Pro El  
and with flail mower.  
Using brush unit or collector  
brush unit. The use of a dust  
guard is recommended with the  
first option.  
In order to access the fuel cock, battery  
and engine, the machine has an engine  
casing that can be opened. The engine cas-  
ing is locked with a rubber strap.  
The engine casing is opened as follows:  
1. Undo the rubber strap (7:V) at the front edge of  
the casing.  
2. Carefully lift the engine casing back.  
Close in the reverse order.  
Sweeping  
Snow clearance Using snow blade or snow  
thrower Snow chains are recom-  
mended.  
The machine may not be operated un-  
less the engine casing is closed and  
locked. Risk of burns and crushing in-  
juries.  
Grass clipping and Using towed collector 30" or  
leaf collection  
42".  
Grass and leaf  
transport  
Sand spreading  
Using dump cart Standard, Maxi  
or Combi.  
Using sand spreader. Can also  
be used for spreading salt. Snow  
chains are recommended.  
2.4.19Quick-release mounting (34:H)  
The quick-release mountings allow the  
deck to be moved easily between the two  
positions:  
•Normal position with fully tensioned  
belt.  
Weeding on gravel Using front-mounted hoe.  
paths  
Lawn edge trim- Using edge trimmer.  
ming  
4 cm behind the normal position with slackened  
belt.  
As the belt idler is released from the belt, the  
quick-release mountings simplify belt and deck re-  
placement, and also make shifting to the washing  
position and service positions easier.  
Releasing the belt tension:  
1. Remove the locking pins (34:G) from both  
sides.  
2. Press down the rear section of the quick-release  
mountings (34:F) with the lug.  
3. Carry out necessary corrective action, e.g. set-  
ting the deck to the washing position.  
Moss scarification Using moss scarifier.  
The maximum vertical load on the towing hitch  
must not exceed 100 N.  
The maximum over-run load on the towing hitch  
from towed accessories must not exceed 500 N.  
NOTE! Before using a trailer – contact your insur-  
ance company.  
NOTE! This machine is not intended to be driven  
on public roads.  
Tensioning the belt:  
First tension one side and then the other according  
to the instructions below.  
4 STARTING AND OPERATION  
The machine may not be operated un-  
less the engine casing is closed and  
locked. Risk of burns and crushing in-  
juries.  
Use protective gloves when handling the  
lever. Risk of crushing injuries.  
1. Firmly grasp the lever (35:J) in front of the cen-  
tre of the shaft and carefully turn 180° forwards.  
2. Install the locking pin (34:G).  
4.1 Filling with petrol  
Always use lead-free petrol. You must never use 2-  
stroke petrol mixed with oil.  
3. Carry out the above on the other side.  
The tank holds 14 litres. The level can easily be  
read through the transparent tank.  
NOTE! Ordinary lead-free petrol is a perishable  
and must not be stored for more than 30 days.  
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Environmental petrol can be used, i.e. alkylate  
petrol. This type of petrol has a composition that is  
less harmful for people and nature.  
4.3.1 General safety check  
Object Result  
Petrol is highly inflammable. Always  
store fuel in containers that are made  
especially for this purpose.  
Only fill or top up with petrol outdoors,  
and never smoke when filling or top-  
ping up. Fill up with fuel before starting  
the engine. Never remove the filler cap  
or fill with petrol while the engine is  
running or still warm.  
Fuel lines and con- No leaks.  
nections.  
Electrical cables. All insulation intact.  
No mechanical damage.  
Exhaust system.  
No leaks at connections.  
All screws tightened.  
Oil lines  
No leaks. No damage.  
Drive the machine The machine will stop.  
forwards/back-  
Never completely fill the petrol tank. Leave an  
empty space (= at least the entire filler tube plus 1  
- 2 cm at the top of the tank) to allow the petrol to  
expand when it warms up without overflowing.  
See fig. 8.  
wards and release  
the driving-service  
brake pedal.  
Test driving  
No abnormal vibrations.  
No abnormal sound.  
4.2 Checking the engine oil level  
On delivery, the crankcase is filled with SAE 10W-  
40 oil.  
Check the oil level every time before using to  
ensure it is correct. The machine should be  
standing on level ground.  
4.3.2 Electrical safety check  
The operation of the safety system  
should always be checked every time  
before use.  
Wipe around the dipstick. Unscrew and  
pull it up. Wipe the dipstick.  
Pro 16, Pro 20, Pro25:  
Push the dipstick down completely and screw into  
place.  
Unscrew and pull the dipstick up again. Read off  
the oil level.  
Status  
Action  
Result  
The engine  
will not start.  
The clutch-brake Try to start.  
pedal is not  
depressed.  
The power take-off  
is not activated.  
The clutch-brake The driver gets up The engine  
pedal is depressed. from the seat.  
The power take-off  
is activated.  
Engine running.  
The power take-off from the seat.  
is activated.  
Pro Svan:  
will not start.  
Push the dipstick down completely without screw-  
ing it into place. Pull it up again and read off the oil  
level.  
The driver gets up The power  
take-off will  
be disen-  
gaged.  
Top up with oil to the “FULL” mark if the oil level  
is below this mark. See fig. 9-11.  
The oil level must never exceed the “FULL” mark.  
This results in the engine overheating. If the oil  
level exceeds the “FULL” mark, the oil must be  
drained until the correct level is achieved.  
Engine running.  
Remove fuse 10 The engine  
A.  
will stop.  
See fig. 13.  
Status  
Action  
Result  
Cruise control acti- The driver gets up The cruise  
4.3 Safety checks  
vated.  
from the seat.  
control will  
be disen-  
gaged.  
Check that the results of the safety checks below  
are achieved when testing the machine in question.  
The safety checks must always be car-  
ried out every time before use.  
Cruise control acti- The clutch-brake The cruise  
vated.  
pedal is depressed. control will  
be disen-  
gaged.  
If any of the results below is not  
achieved, the machine must not be  
used! Take the machine to a service  
workshop for repair.  
The switch for the Try to engage the It will not be  
implement lifter is power take-off.  
in neutral position.  
(not Pro16)  
possible to  
engage the  
power take-  
off.  
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Keep hands and fingers well away from  
articulated steering joint and seat  
bracket. Risk of crushing injuries. Nev-  
er drive with the engine casing open.  
4.4 Start  
1. Open the fuel cock. See 14.  
2. Check that the spark plug cable(s) is/are in-  
stalled on the spark plug(s).  
3. Check to make sure that the power take-off is  
disengaged.  
4. Do not keep your foot on the drive pedal (3:F).  
5. Put the throttle control at full throttle.  
Starting cold engine – pull the choke control out  
fully.  
Starting warm engine – the choke control  
should be pressed in.  
6. Depress the clutch-brake pedal (3:B) fully.  
7. Turn the ignition key and start the engine.  
8 Once the engine has started, push the choke  
control in gradually if it has been used.  
9. When starting from cold, do not make the ma-  
chine work under load immediately, but let the  
engine run for a few minutes first. This will al-  
low the oil to warm up.  
4.7 Stop  
Disengage the power take-off. Apply the parking  
brake.  
Allow the engine to idle 1-2 mins. Stop the engine  
by turning off the ignition key.  
Shut off the petrol cock. This is particularly impor-  
tant if the machine is to be transported on a trailer  
for example.  
If the machine is left unattended, re-  
move the spark plug cable(s) and re-  
move the ignition key.  
The engine may be very warm immedi-  
ately after it is shut off. Do not touch the  
silencer, cylinder or cooling fins. This  
can cause burn injuries.  
When the machine is in operation, full throttle  
should always be used.  
4.8 Cleaning  
To reduce the risk of fire, keep the en-  
gine, silencer, battery and fuel tank free  
from grass, leaves and oil.  
To reduce the risk of fire, regularly  
check the machine for oil and/or fuel  
leakage.  
4.5 Power assisted steering  
(Pro20, Pro25, Pro Svan)  
Power assisted steering means that power from the  
machine’s hydraulic system is supplied to the  
steering wheel movements. This makes the ma-  
chine very easy to steer when the engine is operat-  
ing at working revs (full throttle).  
Clean the machine after each use. The following  
instructions apply for cleaning:  
When washing the machine with water under  
high pressure, do not point the jet directly at  
axle seals, electrical components or hydraulic  
valves.  
Do not spray water directly at the engine.  
Clean the engine with a brush and/or com-  
pressed air.  
The servo effect is reduced as the engine speed  
drops.  
4.6 Operating tips  
Always check that there is the correct volume of  
oil in the engine. This is particularly important  
when operating on slopes. See 4.2.  
Be careful when driving on slopes. No  
sudden starting or stopping when driv-  
ing up or down a slope. Never drive  
across a slope. Move from the top down  
or from the bottom to the top.  
Clean the engine’s cooling air intake (9-11:W).  
Only Pro25: Clean the oil cooler (12:X).  
The machine may not be driven on  
slopes greater than 10º in any direction.  
Reduce the speed on slopes and when  
making sharp turns in order to retain  
control and reduce the risk of tipping  
over.  
Do not turn the steering wheel to full  
lock when driving in top gear and at full  
throttle. The machine can easily topple  
over.  
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5.4.1 Change intervals  
5 MAINTENANCE  
The table below states hours of operation and cal-  
endar months. Carry out the relevant action at  
whichever occurs first.  
5.1 Service programme  
In order to keep the machine in good condition as  
regards reliability and operational safety as well as  
from an environmental perspective, STIGA’s Ser-  
vice programme should be followed.  
1st time  
Then at  
intervals of  
Machine  
Pro16 Pro20 (B&S)  
Hours of operation/Cal-  
endar months  
The contents of this programme can be found in  
the attached service log.  
Basic service must always be carried out by an au-  
thorised workshop.  
First service and intermediate service should be  
carried out by an authorised workshop, but can  
also be carried out by the user. The content of this  
can be found in the service log and the actions are  
described under “4 STARTING AND OPERA-  
TION” as well as below.  
Servicing carried out at an authorised workshop  
guarantees professional work using genuine spare  
parts.  
Changing the oil  
50 hours/  
12 months  
100 hours  
5 hours  
Replacing the filter.  
Pro25 (Kohler)  
-
Hours of operation/Cal-  
endar months  
Changing the oil  
Replacing the filter.  
Pro Svan (Honda)  
-
-
100 hours  
200 hours  
Hours of operation/Cal-  
endar months  
Changing the oil  
20 hours/ 100 hours/  
1 month  
6 months  
100 hours/  
6 months  
Replacing the filter.  
At each basic service and intermediate service car-  
ried out at an authorised workshop, the service log  
is stamped. A service log presenting these services  
is a valuable document that improves the ma-  
chine’s second-hand value.  
-
Change the oil more frequently if the engine has to  
operate in demanding conditions or if the ambient  
temperature is high.  
5.2 Preparation  
5.4.2 Engine Oil  
All service and all maintenance must be carried out  
on a stationary machine with the engine switched  
off.  
Use oil according to the table below.  
Machine  
Pro16 Pro20 (B&S)  
Oil  
Grade  
Service  
class  
SF  
or higher  
Prevent the machine from rolling by al-  
ways applying the parking brake.  
All temperatures  
Below -18° C  
Above 0° C  
SAE 10W-40  
SAE 5W-30  
SAE30  
Stop the engine.  
Pro25 (Kohler)  
Grade  
Service  
class  
SG  
or higher  
Prevent unintentional starting of the  
engine by disconnecting the spark plug  
cable(s) from the spark plug(s) and re-  
moving the ignition key.  
Above -18° C  
Below 0° C  
Pro Svan (Honda)  
SAE 10W-40  
SAE 5W-20/30  
Grade  
Service  
class  
5.3 Tyre pressure  
Adjust the air pressure in the tyres as follows:  
Front: 0.6 bar (9 psi).  
All temperatures  
Below 0° C  
Above 10° C  
SAE 10W-40  
SAE 5W-30  
SAE30  
SJ  
or higher  
Rear: 0.4 bar (6 psi).  
Use oil without any additives.  
Do not fill with too much oil. This can cause the  
engine to overheat.  
Change oil when the engine is warm.  
5.4 Changing engine oil, filter  
This section contains tables covering the different  
engines that are included in STIGA’s Pro range. To  
facilitate reading, mark the data that applies to the  
relevant machine/engine.  
The engine oil may be very hot if it is  
drained off directly after the engine is  
shut off. Therefore allow the engine to  
cool a few minutes before draining the  
oil.  
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1. Attach the clamp on the oil drainage hose. Use  
5.5 Fuel filter  
a polygrip or similar. See fig. 15-17:Y.  
Pro 16, Pro 20 (Briggs & Stratton) and Pro Svan  
(Honda)  
2. Move the clamp up 3-4 cm on the oil drainage  
hose and pull out the plug.  
3. Collect the oil in a collection vessel.  
Replace the fuel filter every season. See fig. 17-  
18:Z.  
NOTE! Do not spill any oil on the drive belts.  
Pro 25 (Kohler)  
4. Hand in the oil for disposal in accordance with  
local provisions.  
Replace the fuel filter after 1,500 hours of opera-  
tion. See fig. 19:Z.  
5. Install the oil drainage plug and move the clamp  
back so that it clamps above the plug.  
Check for fuel leaks once the new filter has been  
installed.  
6. If the oil filter is to be replaced, see 5.4.3 below  
before continuing.  
7. Remove the dipstick and fill with new oil.  
Oil quantity:  
5.6 Transmission, oil filter  
The oil and the filter in the hydraulic power trans-  
mission must be checked/adjusted or replaced at  
intervals according to the table below.  
Machine  
Oil quantity, approximately  
1st time Then at  
No filter  
replacement  
Filter replace-  
ment  
interval  
Action  
Hours of operation  
Pro16, Pro20  
Pro25  
Pro Svan  
1.6 litres  
2.0 litres  
0.9 litres  
1.7 litres  
2.1 litres  
1.05 litres  
Check – adjusting level.  
-
50  
Changing oil.  
Changing tank filter.  
5
200  
8. After filling up the oil, start the engine and idle  
for 30 seconds.  
9. Check to see if there is any oil leakage.  
10.Stop the engine. Wait for 30 seconds and then  
check the oil level in accordance with 4.2.  
Oil type: Synthetic oil 5W-50.  
Oil volume at change: approx. 4.2 litres.  
5.6.1 Check – adjustment  
1. Place the machine on a flat surface.  
2. Read off the oil level in the reservoir. See fig.  
20. The level should be level with the line.  
3. If necessary, top up with more oil.  
5.4.3 Oil filter  
First drain the engine oil and install the oil drain-  
age plug as described above. Then replace the oil  
filter as follows:  
5.6.2 Draining  
Pro 16, Pro 20, Pro Svan:  
1. Clean the area around the filter and dismantle  
the filter.  
2. Moisten the new filter’s gasket with oil.  
3. Install the filter. First screw in the filter so that  
the gasket comes into contact with the engine.  
Then screw in the filter a further 1/2-3/4 turn.  
4. Continue with point 7 in accordance with 5.4.2  
Engine Oil above.  
1. Operate the machine at varying speeds for 10-  
20 minutes in order to warm up the transmission  
oil.  
2. Open the drive shafts’ valves in accordance  
with fig. 21.  
3. Place one collection trough under the rear axle  
and one under the front axle.  
4. Remove 2 drainage plugs from each axle. Use a  
12 mm socket wrench. See fig. 22.  
5. Remove the filler cap from the oil tank.  
6. Allow all the oil to run out into the collection  
trough.  
7. Draw out the oil from the deeper section of the  
reservoir using an oil extractor. See fig. 20.  
8. Hand in the oil for disposal in accordance with  
local provisions.  
Pro 25:  
1. Clean the area around the filter and dismantle  
the filter.  
2. Place the new filter with the hole facing up-  
wards in a vessel.  
3. Fill up with the new engine oil through the hole  
in the filter until the level reaches the bottom of  
the thread.  
4. Wait 1-2 minutes so that the oil is absorbed by  
the filter material.  
5.6.3 Replacing the oil filter in the tank  
5. Moisten the filter’s gasket with oil.  
6. Install the filter. First screw in the filter so that  
the gasket comes into contact with the engine.  
Then screw in the filter a further 2/3-1 turn.  
7. Continue with point 7 in accordance with 5.4.2  
Engine Oil above.  
1. Depress the filter sleeve (21:F) in the upper sec-  
tion of the tank and move the sleeve forward to  
the hole.  
2. Grasp the filter sleeve and spring.  
3. Pull the filter (24:G) from the sleeve.  
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4. Check that the rubber gasket (21:H) at the bot-  
tom of the filter is intact.  
5. Install the new filter and the spring in the  
sleeve. Insert the filter until it snaps into place  
in the sleeve.  
6. Reinstall the unit in the tank. The upper section  
of the filter must click securely into the recess  
in the upper section of the tank.  
5.8.2 Adjustment  
Adjust the steering chains if required as follows:  
1. Put the machine in the straight-ahead position.  
2. Adjust the steering chains with the two nuts, lo-  
cated under the central point. See fig. 29.  
3. Adjust both nuts by the same amount until there  
is no clearance.  
4. Test drive the machine straight forwards and  
check that the steering wheel is not off centre.  
5.6.4 Filling  
5. If the steering wheel is off centre, undo one nut  
and tighten the other.  
Do not over-tighten the steering chains. This will  
cause the steering to become heavy and will in-  
crease wear on the steering chains.  
1. Check that the gaskets on the 4 drainage plugs  
are intact. See fig. 22. Reinstall the plugs. Tight-  
ening torque: 15-17 Nm.  
2. Only applies to Pro20, Pro25 and Pro Svan:  
Moisten the new filter’s gasket with oil and in-  
stall the filter. See fig. 16:A.  
5.9 Battery  
3. Fill the oil reservoir with the new oil.  
If acid comes into contact with the eyes  
or skin, this can cause serious injuries.  
If any part of the body has come into  
contact with acid, rinse immediately  
with copious amounts of water and seek  
medical assistance as soon as possible.  
4. Check that the clutch release lever (6:R) is in  
the outer position (drive position).  
If the engine is to be run indoors, an ex-  
haust extraction device must be con-  
nected to the engine’s exhaust pipe.  
5. Prepare a suitable vessel with the new oil.  
The battery is a valve-regulated battery with 12 V  
nominal voltage. The battery fluid does not need to  
and cannot be checked or topped up. The only  
maintenance that is required is charging, for exam-  
ple after extended storage.  
NOTE! The oil is sucked into the system very  
quickly. The reservoir must always be kept  
topped up. Under no circumstances may air  
be sucked in.  
6. Fill the oil reservoir with new oil.  
The battery must be fully charged be-  
fore being used for the first time. The  
battery must always be stored fully  
charged. If the battery is stored while  
discharged, serious damage will occur.  
7. Start the engine and allow it to idle. Gradually  
top up the oil in the reservoir so that the level  
constantly reaches the mark.  
8. Reinstall the oil filler cap and close the engine  
casing.  
9. Reset the drive shafts’ valves in accordance  
with fig. 25.  
10.Drive the machine 8-10 metres forwards and 8-  
10 metres backwards. If the machine has hy-  
draulic power assisted steering, apply full steer-  
ing lock at the same time.  
5.9.1 Charging with the engine  
The battery can be charged using the engine’s gen-  
erator as follows:  
1. Install the battery in the machine as shown be-  
low.  
2. Place the machine outdoors or install an extrac-  
tion device for the exhaust fumes.  
11.If the machine has a hydraulic implement lifter,  
raise and lower the lifter 3-4 times.  
12.Adjust the oil level in the reservoir.  
3. Start the engine according to the instructions in  
the user guide.  
4. Allow the engine to run continuously for 45  
minutes.  
5. Stop the engine. The battery will now be fully  
charged.  
5.7 Belt transmissions  
After 5 hours of operation, check that all the belts  
are intact and undamaged.  
5.9.2 Charging using battery charger  
When charging using a battery charger, a battery  
charger with constant voltage must be used.  
Contact your dealer to purchase a battery charger  
with constant voltage.  
The battery can be damaged if a standard type  
battery charger is used.  
5.8 Steering  
The steering must be checked/adjusted after 5  
hours of operation and thereafter after 100 hours of  
operation.  
5.8.1 Checks  
Briefly turn the steering wheel back and forth.  
There must be no mechanical clearance in the  
steering chains.  
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5.9.3 Removal/Installation  
The battery is placed under the tank. To access the  
battery, first dismantle the fuel tank as follows:  
1. Open the engine casing.  
2. Close the fuel cock, see 14.  
3. Unscrew the two wing nuts (16:B) and remove  
the clamps.  
4. Carefully lift up the petrol tank.  
During removal/installation of the battery, the fol-  
lowing applies regarding connection of the cables:  
5.10 Air filter, engine  
5.10.1 Air filter (Pro16, Pro20)  
The pre-filter (foam filter) must be cleaned/re-  
placed after 25 hours of operation.  
The air filter (paper filter) must be cleaned/re-  
placed after 100 hours of operation.  
NOTE! The filters should be cleaned/replaced  
more often if the machine operates on dusty  
ground.  
Remove/install the air filters as follows.  
1. Clean carefully around the air filter cover.  
During removal. First disconnect the black ca-  
ble from the battery’s negative terminal (-).  
Then disconnect the red cable from the battery’s  
positive terminal (-).  
2. Dismantle the air filter cover (26:A) by remov-  
ing the two clamps.  
3. Dismantle the filter assembly (26:B). The pre-  
filter is placed over the air filter. Make sure that  
no dirt gets into the carburettor. Clean the air fil-  
ter housing.  
4. Clean the paper filter by tapping it gently  
against a flat surface. If the filter is very dirty,  
replace it.  
5. Clean the pre-filter. If the filter is very dirty, re-  
place it.  
During installation. First connect the red cable  
to the battery’s positive terminal (+). Then con-  
nect the black cable to the battery’s negative ter-  
minal (-).  
If the cables are disconnected/connect-  
ed in the wrong order, there is a risk of  
a short-circuit and damage to the bat-  
tery.  
6. Assemble in the reverse order.  
If the cables are interchanged, the gen-  
erator and the battery will be damaged.  
Compressed air or petroleum-based solvents such  
as kerosene may not be used for cleaning the paper  
filter insert. This will damage the filter.  
Tighten the cables securely. Loose ca-  
bles can cause a fire.  
5.10.2 Air filter (Pro25)  
The pre-filter (foam filter) must be cleaned after 25  
hours of operation.  
The air filter (paper filter) must be replaced after  
100 hours of operation.  
NOTE! The filters should be cleaned/replaced  
more often if the machine operates on dusty  
ground.  
The engine must never be driven with  
the battery disconnected. There is a risk  
of serious damage to the generator and  
the electrical system.  
When the battery has been rectified, install the fuel  
tank as follows:  
Check that the petrol hose is not  
clamped against the hydraulic pump  
and does not come into contact with  
this. The hydraulic pump becomes very  
hot during operation. Risk of fire.  
Remove/install the air filters as follows.  
1. Clean carefully around the air filter cover.  
2. Dismantle the air filter cover (27:A) by undoing  
its screw (27:B).  
3. Dismantle the filters. The pre-filter (27:C) is  
placed over the air filter (27:D). Make sure that  
no dirt gets into the carburettor. Clean the air fil-  
ter housing.  
1. Place the petrol tank on the brackets. Check that  
the petrol hose is not touching the hydraulic  
pump.  
2. Install the clamps and tighten the wing nuts  
(16:B).  
4. Wash the pre-filter (27:C) in liquid detergent  
and water. Squeeze dry. Pour a little oil on the  
filter and squeeze in the oil.  
5. Assemble in the reverse order. Check that the  
rubber seal (27:E) is undamaged. Replace the  
seal if necessary.  
5.9.4 Cleaning  
If the battery terminals are coated with oxide, they  
should be cleaned. Clean the battery terminals with  
a wire brush and lubricate them with terminal  
grease.  
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5.10.3Air filter (Pro Svan)  
Clean the air filter every 3 months or after every 50  
hours of operation, whichever comes first.  
Clean the paper filter insert once a year or after  
every 200 hours of operation, whichever comes  
first.  
5.13 Lubrication  
All lubrication points in accordance with the table  
below must be lubricated every 50 hours of opera-  
tion as well as after every wash.  
Object  
Action  
Fig-  
Note! Both filters should be cleaned more often if  
the machine operates on dusty ground.  
1. Remove the protective cover of the air filter  
(fig. 28).  
2. Dismantle the paper filter insert and the foam  
pre-filter. Make sure that no dirt gets into the  
carburettor. Clean the air filter housing.  
3. Wash the pre-filter in liquid detergent and  
water. Squeeze dry. Pour a little oil on the filter  
and squeeze in the oil.  
ure  
30  
Wheel bear- 2 grease nipples.  
ing  
Use a grease gun filled with  
universal grease. Pump until  
the grease emerges.  
Centre point 4 grease nipples.  
31  
-
Use a grease gun filled with  
universal grease. Pump until  
the grease emerges.  
Steering  
chains  
Brush the chains clean with a  
wire brush.  
Lubricate with universal  
chain spray.  
4. Clean the paper filter insert as follows: Knock it  
lightly against a flat surface. If the filter is very  
dirty, change it.  
5. Assemble in the reverse order.  
Tensioning Lubricate the bearing points  
32  
Petroleum-based solvents such as kerosene may  
not be used for cleaning the paper filter insert.  
These solvents can destroy the filter.  
Do not use compressed air for cleaning the  
paper filter insert. The paper filter insert must  
not be oiled.  
arms  
with an oil can when each  
control is activated.  
Ideally carried out by two  
people.  
Control  
cables  
Lubricate the cable ends with 33  
an oil can when each control  
is activated.  
Must be carried out by two  
people.  
5.11 Spark plug  
The spark plug(s) must be replaced every 200  
hours of operation (=at every other basic service).  
Use the spark plug key supplied.  
Before disconnecting the spark plug, clean around  
its mounting.  
Spark plug:  
Pro16, Pro20, Pro25: Champion RC12YC or  
equivalent.  
Pro Svan: NGK BPR5ES or DENSO W16EPR-U  
Electrode distance: 0.75 mm.  
5.14 Fuses  
If any of the faults listed below occurs, replace the  
relevant fuse. See fig. 13.  
Fault  
Fuse  
10 A  
The engine does not start or starts and  
stops immediately. The battery is  
charged.  
Sand spreader and electrical cutting  
height adjustment do not work.  
20 A  
30 A  
All electrical functions are out of  
operation. The battery is charged.  
5.12 Air intake  
See 9-11:W. The engine is air-cooled. A blocked  
cooling system can damage the engine. Clean the  
engine’s air intake after 50 hours of operation.  
More meticulous cleaning of the cooling system is  
carried out during each basic service.  
6 PATENT - DESIGN REGISTRA-  
TION  
This machine or parts thereof is covered by the fol-  
lowing patent and design registration:  
SE9901091-0, SE9901730-3, SE9401745-6,  
US595 7497, FR772384, DE69520215.4,  
GB772384, SE0301072-5, SE04/000239 (PCT),  
SE0401554-1.  
GGP reserves the right to make alterations to the  
product without prior notification.  
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Box 1006 SE-573 28 TRANÅS  
GGP Sweden AB  
·
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