Global Machinery Company Air Compressor 40L User Manual

 
Do not switch on  
for the first time  
without first  
filling with oil.  
40L & 50L  
VERTICAL  
DIRECT DRIVE  
AIR COMPRESSORS  
EVAC40 & EVAC50  
INSTRUCTION MANUAL  
Code: EVAC40/50 IM  
Date: 070912 Edition: 6  
Black  
Cyan  
Magenta  
Yellow  
Op: DCR  
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Warning labels explained  
On the tank of your air compressor you will notice various  
warnings about the operation of the compressor. These  
warnings and the procedures associated with them are  
explained fully in this manual on the following pages.  
Please take note of these. They are important for your  
safety and that of others in the vicinity.  
 
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To prevent build-up of  
condensation, open  
drain cock daily.  
Check the oil level before starting the  
compressor every time.  
Do not switch on without  
first checking the oil level  
and, if required, filling  
with oil.  
Unit starts  
automatically.  
Make sure the compressor is on a level  
surface prior to checking the oil level.  
Switch off power supply,  
remove plug & relieve  
air pressure prior  
to commencing  
The oil level is required to be at the  
red dot on the oil level sight glass  
prior to use.  
Always turn the compressor  
off at the On/Off switch on  
the compressor before  
turning off at the power  
supply.  
service tasks.  
Use only oil grade specified in the  
instruction manual.  
�  
 
 
 
 
Read instruction manual  
prior to starting unit.  
High voltage used on  
this equipment. Prior to  
servicing or removing the  
cover, switch off the  
Air discharged from  
this unit is not  
Test the safety relief  
valve daily.  
When filter becomes  
dirty or oily, clean or  
replace filter. Refer to  
instruction manual.  
suitable for human  
consumption.  
This equipment  
operates from  
AC mains only.  
Refer the instruction  
manual.  
power supply & remove  
plug from mains. Ensure  
mains outlet is adequately  
rated for this unit.  
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Introduction  
Description of symbols  
Your new GMC power tool will more than satisfy  
your expectations. It has been manufactured under  
stringent GMC Quality Standards to meet superior  
performance criteria.  
The rating plate on your tool may show symbols.  
These represent important information about the  
product or instructions on its use.  
Wear hearing protection.  
Wear eye protection.  
Wear breathing protection.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Conforms to relevant standards  
for electromagnetic compatibility.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Specifications  
Your GMC power tool has many features that will make  
your job faster and easier. Safety, performance, and  
dependability have been given top priority in the  
development of this tool, making it easy to maintain  
and operate.  
EVAC40  
EVAC50  
Power:  
2.4HP/1800W  
Voltage:  
230–240V ~ 50Hz  
No load speed:  
2850 min-1  
2850 min-1  
Environmental protection  
Discharge pressure: 0.8 MPa(115 psi) 0.8 MPa(115 psi)  
Recycle unwanted materials instead  
of disposing of them as waste. All tools,  
hoses and packaging should be sorted,  
taken to the local recycling centre and  
disposed of in an environmentally safe way.  
Tank capacity:  
Air outlet size:  
Net weight:  
40 litres  
50 litres  
6.35 mm (1/4”)  
37.5 kgs  
6.35 mm (1/4”)  
40 kgs  
Cut-in pressure (factory set): 0.6MPa (85psi)  
Cut-out pressure (factory set):0.8MPa (115psi)  
Maximum output pressure: 0.8MPa (115psi)  
Free air delivery:  
155 l/min  
(5.5 CFM)  
161 l/min  
(5.7 CFM)  
Pump displacement: 232 l/min  
(8.2 CFM)  
273 l/min  
(9.6 CFM)  
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working outdoors. If you have long hair, wear a protective  
hair covering.  
8. Use safety accessories. Safety glasses and earmuffs  
should always be worn. A face or dust mask is also  
required if the sanding operation creates dust.  
9. Do not abuse the power cord. Never pull the cord to  
disconnect the tool from the power point. Keep the cord  
away from heat, oil and sharp edges.  
10. Secure the work piece. Use clamps or a vice to hold the  
work piece. It is safer than using your hand and frees  
both hands to operate the tool.  
General safety instructions  
To use this tool properly, you must observe the safety  
regulations, the assembly instructions and the operating  
instructions to be found in this Manual. All persons who use  
and service the machine have to be acquainted with this  
Manual and must be informed about its potential hazards.  
Children and infirm people must not use this tool. Children  
should be supervised at all times if they are in the area in  
which the tool is being used. It is also imperative that you  
observe the accident prevention regulations in force in your  
area. The same applies for general rules of occupational  
health and safety.  
11. Do not overreach. Keep your footing secure and  
balanced at all times.  
WARNING. When using power tools, basic safety precautions  
should always be taken to reduce the risk of fire, electric  
shock and personal injury. Also, please read and heed the  
advice given in the additional important safety instructions.  
1. Keep the work area clean and tidy. Cluttered work  
areas and benches invite accidents and injury.  
2. Consider the environment in which you are working.  
Do not use power tools in damp or wet locations. Keep  
the work area well lit. Do not expose power tools to rain.  
Do not use power tools in the presence of flammable  
liquids or gases.  
3. Keep visitors away from the work area. All visitors and  
onlookers, especially children and infirm persons, should  
be kept well away from where you are working. Do not  
let others in the vicinity make contact with the tool or  
extension cord.  
4. Store tools safely. When not in use, tools should be  
locked up out of reach.  
5. Do not force the tool. The tool will do the job better and  
safer working at the rate for which it was designed.  
6. Use the correct tool for the job. Do not force small  
tools or attachments to do the job best handled by a  
heavier duty tool. Never use a tool for a purpose for  
which it was not intended.  
7. Dress correctly. Do not wear loose clothing or  
jewellery. They can be caught in moving parts. Rubber  
gloves and non-slip footwear are recommended when  
12. Look after your tools. Keep tools sharp and clean for  
better and safer performance. Follow the instructions  
regarding lubrication and accessory changes. Inspect  
tool cords periodically and, if damaged, have them  
repaired by an authorised service facility. Inspect  
extension cords periodically and replace them if  
damaged. Keep tool handles dry, clean and free from oil  
and grease.  
13. Disconnect idle tools. Switch off the power and  
disconnect the plug from the power point before  
servicing, when changing accessories and when the tool  
is not in use.  
14. Remove adjusting keys and wrenches. Check to see  
that keys and adjusting wrenches are removed from the  
tool before switching on.  
15. Avoid unintentional starting. Always check that the  
switch is in the OFF position before plugging in the tool  
to the power supply. Do not carry a plugged in tool with  
your finger on the switch.  
16. Stay alert. Watch what you are doing. Use common  
sense. Do not operate a power tool when you are tired.  
17. Check for damaged parts. Before using a tool, check  
that there are no damaged parts. If a part is slightly  
damaged, carefully determine if it will operate properly  
and perform its intended function. Check for alignment of  
moving parts, binding of moving parts, breakage of parts,  
proper mounting and any other conditions that may  
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affect the operation of the tool. A part that is damaged  
should be properly repaired or replaced by an authorised  
service facility, unless otherwise indicated in this  
Instruction Manual. Defective switches must be replaced  
by an authorised service facility. Do not use a tool if the  
switch does not turn the tool on and off correctly.  
Never directly inhale the compressed air produced by a  
compressor and do not use it for charging breathing tanks.  
Do not use welding equipment in close proximity to the  
compressor. Do not weld anything to the air tank of the  
compressor: this could dangerously weaken the tank and  
will void the warranty.  
18. Guard against electric shock. Prevent body contact  
with grounded objects such as water pipes, radiators,  
cookers and refrigerator enclosures.  
Do not use the compressor outdoors when it is raining  
or on a wet surface; either situation could cause an  
electric shock.  
19. Use only approved parts. When servicing, use only  
identical replacement parts. Use an authorised service  
facility to fit replacement parts.  
Always shut off the compressor after use and before  
servicing. Set the on/off switch to the off position, wait for  
the pressurised air to bleed from the tank via drain cock  
located on the tank. Then remove the electrical plug from  
the power supply.  
Check the maximum pressure rating of any tools or  
accessories that you intend using with the compressor.  
The output pressure of the air from the compressor must  
be regulated so that it never exceeds the rated pressure  
of the tool or accessory.  
To avoid the risk of burns and injury from moving  
parts, do not operate the compressor with the safety  
cover removed. Allow hot parts to cool before handling  
or servicing.  
Be certain to read all the labels on the containers of paint  
or other materials to be sprayed. Closely follow all safety  
instructions. Use a respirator mask if there is a chance  
that you might otherwise inhale the spray material.  
Carefully check the effectiveness of any respirator mask  
you intend using.  
Always wear safety goggles or glasses when using the  
air compressor. Never point the nozzle of an accessory  
towards any part of your body or towards another person.  
Do not attempt to adjust the pressure switch or the  
release valve.  
Drain the moisture from the tank daily. It will help  
prevent corrosion.  
Pull the ring on the safety valve daily to ensure that it  
operating properly and to clear any possible instructions.  
Additional safety rules for air compressors  
WARNING. Before connecting a tool to a power source  
(mains switch power point receptacle, outlet, etc.) be sure  
that the voltage supply is the same as that specified on the  
nameplate of the tool. A power source with a voltage greater  
than that specified for the tool can result in serious injury to  
the user, as well as damage to the tool. If in doubt, do not  
plug in the tool. Using a power source with a voltage less  
than the nameplate rating is harmful to the motor.  
Always remove the plug from the mains socket before  
making any adjustments or maintenance, including  
renewing the lubricating oil.  
To reduce the risk of fire or explosion, never spray  
flammable liquids in a confined area. It is normal for  
the compressor motor and pressure switch to produce  
sparks during use. If sparks come into contact with petrol  
vapours or solvents, they may ignite the vapours and  
cause a fire or explosion.  
Always operate the compressor in a well ventilated area.  
Do not smoke while spraying. Do not spray where sparks  
or flames are present. Keep the compressor as far away  
from the spray area as possible.  
The solvents trichloroethane and methylene chloride can  
chemically react with the aluminium used in some paint  
spray guns and form an explosion. If these solvents are  
used, ensure that only stainless steel spray equipment is  
connected. The compressor is not affected by the use of  
these solvents.  
Keep the compressor at least 300mm from the nearest  
wall to ensure adequate ventilation for cooling purposes.  
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Prior to transporting the compressor make sure that  
the pressurised air is bled from the tank and that the  
compressor is firmly secured.  
Never apply the outlet air of this compressor directly on to  
any part of a person’s body. Do not attempt to block the air  
outlet with your finger or any part of your body.  
Note. Never transport pressurised tanks. Prior to  
transporting the air compressor make sure the tank has  
been completely drained of air.  
Protect the air hose and cordset from damage. Inspect  
for weak or worn spots regularly and replace if necessary.  
Do not use an extension cord with this product. Use  
additional air hose instead of an extension cord to  
prevent power loss and possible damage to the motor.  
Use of an extension cord voids the warranty.  
The tool must be used only for its prescribed purpose. Any use  
other than those mentioned in this Manual will be considered a  
case of misuse. The user and not the manufacturer shall be liable  
for any damage or injury resulting from such cases of misuse.  
The manufacturer shall not be liable for any changes made  
to the tool nor for any damage resulting from such changes.  
Even when the tool is used as prescribed it is not possible to  
eliminate all residual risk factors. The following hazards may  
arise in connection with the tool’s construction and design:  
Damage to the lungs if an effective breathing mask is  
not worn.  
Damage to hearing if effective earmuffs are not worn.  
Damage to the eyes if effective safety goggles or shield  
are not worn.  
After long working periods external metal parts could be hot.  
Always shut off the compressor at the on/off switch by  
lifting the lever to the off position prior to switching off the  
power or removing the power plug.  
Check the oil level before starting the compressor every time.  
Make sure the compressor is on a level surface prior to  
checking the oil level.  
The oil level is required to line up with the red dot on the  
oil level sight glass prior to use.  
Use only oil grade specified in this instruction manual.  
WARNING. In the event that an air line is cut or broken, the  
air supply must be turned off at the compressor. A broken  
air line which is not supported is extremely dangerous and  
can whip around very quickly, both with the capability of  
striking people, and blowing foreign particles into the air.  
Note. The compressor is supplied empty of oil. It must be  
Do not attempt to catch the air line but immediately keep  
bystanders well clear and turn off the air supply to the hose,  
turn off the compressor at the On / Off switch, and then  
remove the hose from the compressor.  
filled with oil before first use.  
After using the compressor, switch off the on/off switch,  
disconnect the power supply and open the outlet valve to  
release the pressure.  
Do not attempt to remove any part of the machine whilst  
it is under pressure.  
Ensure that the lubricating oil is clean and that the oil  
level is maintained at the correct level. Replace the oil  
as indicated in the Maintenance section of this Manual.  
Use safety equipment including safety goggles or  
shield, ear protection, breathing or respirator mask  
and protective clothing.  
Contents of carton  
400ml of oil in a  
sealed container  
Wheel assemblies (x 2)  
(2 each of wheels, wheel  
bolts, nuts and washers)  
Rubber buffer  
(pre-assembled to tank)  
Air filter  
Instruction manual  
Handle  
1 X Allen key (required  
for assembly only)  
Wear goggles  
Wear earmuffs  
Wear a breathing mask  
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Know your product  
1. Handle  
2. Pressure switch cover  
3. On/off switch  
19  
1
4. Tank pressure gauge  
5. Regulating knob  
6. Regulated air outlet  
7. Regulated outlet pressure gauge  
8. Safety valve  
9. Non-return valve  
10. Drain cock  
11. Air tank  
15  
13  
7
18  
2
4
8
9
12. Wheel (x 2)  
13. Safety cover  
14. Oil filling plug  
5
11  
15. Air filter assembly  
16. Oil level glass  
17. Air tap  
17  
6
18. Oil drain plug  
12  
19. Allen key for handle assembly  
10  
3
10  
14  
16  
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Note. In order to fit the  
handle the following supplied  
accessories are required:  
Unpacking  
Due to modern mass production techniques, it is unlikely  
that your GMC Power Tool is faulty or that a part is missing.  
If you find anything wrong, do not operate the tool until the  
parts have been replaced or the fault has been rectified.  
Failure to do so could result in serious personal injury.  
1. Insert the handle into the  
inside walls on the brackets  
which have been welded onto  
the tank.  
2. Align the holes of the handle  
and the bracket.  
Assembly  
Wheels  
Fitting the wheels  
Note. In order to fit the wheels the following supplied  
accessories are required:  
3. Select one of the hex head  
bolts and one washers  
depicted above.  
Slide the washer under the head of the hex head bolt  
and insert the assembly into one of the fixing holes.  
Washer  
Nut  
Bracket  
Wheel bolt  
Wheel  
1. To fit the wheels (12) first insert the wheel bolt through  
the wheel.  
Note. Make sure that the bolt slots through both the handle  
2. Fit the wheel assembly through the hole in the bracket  
under the tank.  
3. Select one of the provided washers and nuts.  
Slide the washer onto the wheel bolt then proceed to  
screw on the nut.  
4. Completely tighten the nut from the underside of the  
wheel with spanner while holding the outer side nut  
with another spanner.  
and the welded bracket holes.  
4. Using your hands fit the nut to the threaded end of the  
bolt. Screw together until it is hand tight.  
5. Repeat the above process for the remaining three holes.  
6. Once all four bolts have  
been hand tighten select the  
provided Allen key and a  
spanner or socket and go over  
the four bolts, ensuring that  
they are tightly secured.  
5. Repeat for the second wheel.  
Handle  
The handle of the compressor must be fitted in the  
following manner:  
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Oil  
Pre-start routine  
1. Ensure that the location for the compressor is clean,  
dry and well ventilated.  
WARNING. The air compressor must be filled with oil  
before first use.  
To prevent possible spillage of oil during transport, the  
compressor oil is supplied in a separate container. It must  
be added to the compressor before turning the compressor  
on. Failure to add the oil will cause non-repairable damage  
to the compressor and will void the warranty.  
2. Ensure the crank case has been filled with oil and is  
at the correct level, and the air filter has been fitted.  
3. Open the regulated output  
valve (6). Open the valve by  
rotating the air tap (17) so it is  
in line with the air outlet (refer  
to the OPEN picture).  
1. Remove the plastic oil filling plug (14) located on the top  
of the crank case of the compressor housing.  
To close the valve, rotate the  
air tap so it is facing to the right  
or the left side of the air valve  
(refer to the CLOSED picture).  
OPEN  
4. Start the compressor by  
following the procedure in  
the section “To start and stop  
the compressor”. For the first  
time of operation, run the  
compressor for 10 minutes  
with no load and with the  
outlet valve open to ensure all  
2. Use the oil supplied to fill the crank case until the oil level  
as seen in the oil level glass (16) is up to the mid point of  
the red circle.  
3. Replace the oil filling plug (14). Ensure the plug is fully  
fitted and firmly in position.  
CLOSED  
parts are well lubricated.  
WARNING. Be aware that  
pressurised air will be discharged from the outlet and care  
should be taken that this discharge is not directed towards  
you the operator, or other persons within the area.  
Air filter  
WARNING. The air filter must be added before use.  
Failure to fit the air filter will  
damage the compressor and will  
void the warranty.  
1. To fit the air filter (15) you  
need to locate the inlet  
hole on the right side of the  
compressor housing then  
carefully hand tighten the  
thread of the air filter in a  
clockwise direction until tight.  
To start & stop the compressor  
1. Check the rating label on the compressor indicates  
230V–240V.  
2. Plug in the mains cable of the compressor to a standard  
240V household power point and turn on.  
3. To start the compressor, push the On/Off lever (3)  
downward so that the lever is in the horizontal position.  
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To increase the air pressure, rotate the regulating valve  
clockwise. To decrease the pressure, rotate the regulating  
valve anti-clockwise.  
Note. If you do not allow the air to discharge while you  
are setting the regulator, the pressure as indicated on the  
regulated outlet gauge will be incorrect. This gauge ONLY  
indicates the correct pressure while air is being discharged  
from the outlet.  
ON  
OFF  
5. On completion of the task, i.e. when you have finished  
using the compressor, or when you are leaving the  
compressor unattended, turn off the compressor in the  
following way:  
Set the on/off lever (3) to the  
off position.  
Wait for the pressurised air to  
bleed from the release valve  
under the pressure switch  
cover (2).  
4. To stop the compressor, lift the On/Off lever (3) to the  
vertical position.  
Operation  
1. The pressure in the tank is controlled by the action of  
the pressure switch located under the pressure switch  
cover (2). When the set maximum pressure is reached  
the pressure switch activates and the motor is switched  
off. The pressure then decreases as the air is used by the  
connected tool until the set minimum pressure is reached  
after which the pressure switch causes the motor to  
switch on again. The operator of the compressor should  
be well aware that during use of the compressor the  
motor will start and stop under the influence of the rising  
or falling pressure in the tank. The motor will start without  
any warning.  
Note. You may hear a short air  
discharge for approximately 1/2  
a second. This discharge only  
occurs if the compressor is actually  
running at the time, and not in idle.  
2. The maximum and minimum pressures are factory set  
and the operator should not try to change them.  
Switch off the electrical power supply and remove the  
electrical plug.  
3. All accessories are connected to the regulated air  
outlet (6).  
Pull the ring on the safety valve (8) to ensure all the  
pressurised air is released from the tank, or open the  
drain cock (10) to release the pressure from the tank.  
To open the drain cock (10) rotate the valve ant-clockwise  
and to close the valve rotate it clockwise.  
4. The pressure of the regulated  
outlet, as shown on the  
regulated outlet pressure  
gauge (7), can be changed  
by turning the regulating  
knob (5).  
Note. To obtain the correct  
output reading on the regulated  
output gauge, the air must be  
flowing through the outlet.  
The regulating valve should be adjusted and the gauge read  
with the outlet valve open and the air being discharged from  
the regulated outlet through the accessory being used.  
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6. Ensure that the lubricating oil is clean and that the oil level  
is maintained at the mid point of the red circle in the oil  
level glass (16).  
WARNINGS.  
1. Never attempt to remove any part of the compressor  
whilst the tank is under pressure.  
7. Take care when discharging air from the tank, i.e. from the  
safety valve (8), the drain cock (10) or the air outlet (6).  
Compressed air can be extremely dangerous.  
Take care; make sure that the discharge air does not  
cause dust, stones or any other foreign particles to be  
blown through the air and that the air is discharged in  
a safe manner.  
2. Never attempt to remove any electrical component whilst  
the compressor is connected to the power supply. Switch  
off the power and remove the electrical plug.  
3. Do not adjust the safety valve.  
4. Do not use an electrical extension cable.  
5. If the release valve under the pressure switch cover (2)  
fails to operate when the On/Off lever (3) is set in the off  
position, switch the power supply off and determine the  
nature of the fault.  
Troubleshooting  
Problem  
Possible Cause  
Suggested Remedy  
Power fault or supply voltage too low Check the power supply. Do not use an extension cord with  
an air compressor. Make sure that the compressor is plugged  
directly into a 240V household power point and not an  
Motor will not  
run, running  
too slow or  
extension cord or power board.  
becoming  
excessively hot  
Faulty pressure switch  
Faulty motor  
Use authorised service centre to repair or replace the switch  
Use authorised service centre to repair or replace the motor  
Use authorised service centre to repair or replace faulty parts  
Main compressor sticking/tight  
Moving parts damaged by heat  
due to insufficient lubrication  
Use authorised service centre to check crankshaft, bearings,  
con rod, piston rings, etc and replace where necessary  
Main compressor  
sticking/tight  
Moving parts damaged or blocked  
by foreign particle  
Loose part  
Use authorised service centre to check and repair if necessary  
Use authorised service centre to check and clean if necessary  
Vibration or  
abnormal noise  
Foreign body in main compressor  
Piston connecting with the valve seat Use authorised service centre to increase size of gasket  
Moving parts excessively worn Use authorised service centre to repair or replace  
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Troubleshooting continued  
Problem  
Possible Cause  
Suggested Remedy  
Motor running too slow  
Use authorised service centre to check  
and repair if necessary  
Insufficient pressure or decreased  
outlet capacity  
Dirty air filter cartridge  
Leaking safety valve  
Clean or replace the filter cartridge  
Use authorised service centre to repair  
or replace the switch  
Leaking pipe  
Use authorised service centre to check  
and repair if necessary  
Damaged gasket  
Use authorised service centre to check  
and repair if necessary  
Damaged or carbon coated valve seat  
Damaged piston ring or cylinder  
Open drain cock  
Use authorised service centre to check  
and repair if necessary  
Use authorised service centre to check  
and repair if necessary  
Check the drain cock, make sure it is  
closed. If not immediately switch off the  
unit as per the shut down instructions  
and close the drain cock.  
Air fittings leaking  
Check all air fittings. Make sure that  
they are tight and not leaking at the  
joins. If a quick release fitting is leaking,  
disconnect it and reconnect it. If it  
continues to leak replace the defective  
fitting(s). If a male or female fitting is  
leaking around the thread tighten using  
a spanner. If the fitting is already tight  
and can’t be tightened, unscrew the  
connection and remove the Teflon tape.  
Examine the condition of the fitting(s).  
If the a fitting(s) is damaged replace  
and reassemble using Teflon tape on  
threaded fittings. If the fittings are OK  
reapply Teflon tape and reassemble.  
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Troubleshooting continued  
Problem  
Possible Cause  
Suggested Remedy  
Air line hose leaking  
Examine the air hose for any holes  
and tears. If the hose is found to be  
defective replace it.  
Insufficient pressure or decreased  
outlet capacity  
Safety valve leaking  
Examine the condition of the  
safety valve. If the valve is leaking  
immediately shut off the compressor  
and cease using it. Have the unit  
serviced/checked by an authorised  
service centre and repaired. Don’t  
continue to use the unit with a  
leaking safety valve.  
Maintain the oil at the correct level  
Oil level too high  
Excessive oil consumption  
Check and clean  
Hole in oil filling plug (14) blocked  
Use authorised service centre to check  
and repair if necessary  
Piston ring and/or cylinder worn or  
damaged  
4. Regularly check the air filter insert cartridge inside the  
air filter assembly (15) and clean or replace the insert  
when necessary.  
5. Check daily the operation of the safety valve. This check  
should be performed when the tank contains close to  
max pressure in the tank.  
Maintenance  
1. After the first 10 hours of working, empty the crank case  
of oil and refill with clean oil by removing the crank case  
oil plug (left hand side of the crank case at the bottom)  
Note. Use good quality compressor lubricating oil.  
SAE30 or L-DAB 100 over 10°C  
To check the valve, pressurise the tank, and pull the ring  
OUTWARDS on the safety valve.  
SAE10 or L-DAB 68 under 10°C  
2. After each subsequent 500 hours of operation, again  
drain the oil and refill the crank case with clean oil.  
3. After each day of operation unscrew the drain cock (10)  
under the tank to drain out any condensation that is in the  
tank. This will protect the tanks from rusting and prolong  
the product life. Once the draining has been completed  
screw the drain cock (10) closed.  
Air should discharge from the valve.  
Release the ring of the safety valve. When the ring is  
released the air discharge must stop.  
WARNINGS.  
Safety glasses must be worn when performing this test.  
14  
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Do not have your face close to the safety valve when  
performing this test as air will discharge from the valve at a  
high force.  
General inspection  
1. Regularly check that all the fixing screws are tight.  
2. The supply cord of the tool should be checked frequently  
for damage. If damaged, have the cordset replaced by an  
authorised service facility to avoid a hazard.  
If the safety valve does not operate correctly in any way as  
described above, turn off the compressor immediately and  
have the compressor and safety valve checked and tested  
at an authorised service centre.  
Cleaning  
1. Keep the tool’s air vents unclogged and clean at  
DO NOT CONTINUE TO USE THE COMPRESSOR  
IN ANY WAY IF THE SAFETY VALVE DOES NOT  
WORK AS ABOVE.  
all times.  
2. Remove dust and dirt regularly. Cleaning is best done  
with a soft brush or a rag.  
3. Re-lubricate all moving parts at regular intervals.  
4. If the body of the compressor needs cleaning, wipe it  
with a soft damp cloth. A mild detergent can be used but  
nothing like alcohol, petrol or other cleaning agent.  
Maintaining the air filter  
1. To clean the air filter insert you need to take the air filter  
(15) apart first. This can be achieved by lifting the air  
filter housing cover over the protruding tabs on the air  
filter casing followed by pulling the air filter housing cover  
towards you.  
5. Never use caustic agents to clean plastic parts.  
CAUTION. Water must never come into contact  
with the tool.  
Power cord maintenance  
Only an authorised service centre should replace the  
cordset or carry out other repairs. If the cordset is damaged  
or worn, have it repaired or replaced by an authorised  
service centre.  
2. Pull out the air filter and tap it a few times against a  
surface that is dry and clean to loosen up and remove  
any dust and build up. Now soak it in warm soapy water,  
rinse and wring dry.  
3. Replace the air filter insert  
cartridge, then re-install the  
filter cover back on by firstly  
lining up the lugs and pushing  
the cover firmly over the lugs  
to securely lock the air filter  
housing into position.  
15  
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GMC customer assist  
If your product needs repairing, replacing,  
technical service or you simply need help or advice,  
please contact us on our Customer Assist Line  
1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
For prompt service we suggest you log your service request  
online at www.gmcservice.com.au. Should you not have  
access to the Internet, please contact our service department  
on 1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
7am 7pm, 7days a week (AEST).  
Please note that if repair or replacement is required,  
you must provide a valid original purchase receipt.  
You will need the following details at hand to log your service request;  
Personal details: First & Last name, address, pick up address,  
contact phone numbers, email address  
Product details: Product number, date of purchase, retailer bought from,  
State & postcode, receipt number, reason for the request,  
copy of official purchase receipt  
Attach your purchase receipt and save with this Manual for future reference.  
Please refer to our website www.gmcompany.com for full GMC warranty Terms and Conditions.  
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