Makita Mobility Scooter HK1820 User Manual

ECHNICAL INFORMATION  
PRODUCT  
P 1/17  
T
Models No.  
Description  
HK1820  
Power Scraper  
L
CONCEPT AND MAIN APPLICATIONS  
H
Model HK1820 has been developed as the successor model of HK1810,  
featuring vibration absorbing handle additionally to the same compact  
and lightweight design as the predecessor model.  
Also features the chuck adapted for SDS-PLUS bits.  
W
Dimensions: mm (")  
Length (L) 351 (13-3/4)  
Width (W)  
Height (H)  
102 (4)  
203 (8)  
Specification  
Continuous Rating (W)  
Voltage (V)  
Cycle (Hz)  
Max. Output (W)  
Current (A)  
Input  
550  
---  
Output  
260  
260  
110  
120  
220  
230  
240  
5.3  
5.0  
2.6  
2.5  
2.4  
50/60  
50/60  
50/60  
50/60  
50/60  
390  
390  
390  
390  
390  
550  
550  
550  
260  
260  
260  
Impacts per min: ipm=min-1  
Shank type: mm (")  
0 - 3,200  
SDS-Plus  
Impact energy [catalog value]: J  
3.9  
Yes  
Yes  
by trigger  
by dial  
Variable speed control  
Protection from electric shock  
Power supply cord: m (ft)  
Net weight: kg (lbs)  
Double insulation  
Chile, Brazil: 2m (6.6ft)  
Other countries: 5m (16.4ft)  
3.3 (7.3)  
Standard equipment  
Bull point ................................. 1  
Scaling chisel ........................... 1  
Scaling chisel (for tile) ............. 1  
Hook complete ......................... 1  
Plastic carrying case ................. 1  
Note: The standard equipment for the tool shown above may differ by country.  
Optional accessories  
Bull points  
Hook complete  
Cold chisel  
Scraper assembly  
Grooving chisels  
Scaling chisel  
Scaling chisel (for tile)  
Grease vessel (containing Hammer grease)  
Bit grease  
Safety goggles  
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P 2/17  
Repair  
CAUTION: Remove the bits from the machine for safety before repair/maintenance  
in accordance with the instruction manual!  
[1] NECESSARY REPAIRING TOOLS  
Code No.  
Description  
Use for  
1R003 Retaining ring pliers ST-2N Removing/mounting Ring spring  
1R022 Bearing plate  
1R023 Pipe ring  
Stabilizing Bearing box when removing Ball bearing 6002LLU  
Stabilizing Crank housing complete when removing Armature  
1R029 Bearing setting pipe 23-15.2 Removing Oil seal 15 and Ball bearing 6002LLU from Bearing box  
1R212 Tip for retaining ring pliers  
1R225 Bearing extractor  
1R228 1/4" Hex shank bit for M4  
1R229 1/4" Hex shank bit for M5  
1R258 V Block  
Removing/mounting Ring spring (for modular use with 1R003)  
Removing Armature and Ball bearing 6001DDW from Crank housing comp.  
Removing M4x25 Hex socket head bolt from Crank housing cover  
Removing M5x25 Hex socket head bolt from Barrel  
Stabilizing Bearing box when removing Helical gear 36  
1R288 Screwdriver magnetizer  
Magnetizing Screwdriver when removing Steel balls and Pins  
[2] LUBRICATION  
Apply the following lubricants to protect parts and product from unusual abrasion:  
*Makita grease N.No.1 to the portions designated with black triangle  
*Makita grease R.No.00 to the portions designated with gray triangle  
*Makita grease N.No.2 to the portions designated with white triangle  
Item No.  
Description  
Steel ball 4.8 (3 pcs)  
Steel Ball 7.0 (2 pcs)  
O Ring 12  
Portion to lubricate  
Whole portion  
Lubricant  
Amount  
a little  
7
Makita grease  
N.No.2  
23  
27  
30  
32  
37  
38  
39  
61  
Whole portion  
Whole portion  
a little  
3g  
Cylinder  
Inside surface that Piston and Striker contacts  
Inside periphery that contacts 30 Cylinder  
Whole portion  
Ring 29  
Makita grease  
R.No.00  
O Ring 18 on Striker  
O Ring 18 on Piston  
Pin 7  
a little  
Whole portion  
Cylindrical surface that contacts Connecting rod  
17g  
Crank housing complete Crank room  
Whole portion for smooth rotation  
of Helical gear 36  
58 59 Flat washer 22  
a little  
Makita grease  
N.No.1  
Gear portion for smooth rotation  
of Helical gear 36  
68  
Armature  
4g  
Fig. 1  
Bearing box  
Crank shaft  
58  
59  
Helical gear 36  
61  
32  
38  
27  
37  
30  
23 7  
39  
Tool holder  
Ring 25  
23  
Striker  
Impact bolt  
Piston  
Compression spring 32  
Connecting rod  
68  
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P 3/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -1. Chuck Section  
DISASSEMBLY  
Disassemble the Chuck section as described in Figs. 2 and 3.  
Fig. 2  
1) For easy repairing, separate Handle section and stand the machine on a workbench as illustrated below on right.  
Note: Remove Compression spring 14 before standing the machine if it is left on Crank housing complete.  
Crank housing complete  
Handle section  
M5x20 Pan head screw (2 pcs)  
Motor housing  
5x25 Tapping screw (2 pcs)  
Disconnect Connector housing  
of Controller from Motor housing.  
Fig. 3  
2) Remove Cap 38 with  
slotted screwdriver.  
3) Remove Ring spring 19 with 1R212 and  
1R003 while pressing down Chuck cover.  
4) Remove Chuck cover and  
Compression spring 42.  
Compression spring 42  
1R212 and 1R003  
Ring spring 19  
Cap 38  
Chuck cover  
Chuck cover  
Note:  
Be sure to press down  
Chuck cover or it will  
pop off due to the pressure  
of Compression spring 42.  
5) Remove Steel ball 7 (2 pcs)  
using screwdriver magnetized  
with 1R288 while pressing  
down Ring 21.  
6) The parts inside Change ring can  
be removed.  
7) Change ring can  
now be removed.  
Change ring  
Ring 21  
Screwdriver magnetized  
with 1R288  
Guide washer  
Steel ball 7 (2 pcs)  
Conical compression  
spring 21-29  
Steel ball guide  
Ring 21  
DISASSEMBLY  
Do the reverse of the disassembling steps.  
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P 4/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Barrel, Tool Holder, Cylinder Section  
DISASSEMBLY  
1) Disassemble the Chuck section as described in Figs. 2, 3.  
2) Disassemble Tool holder, Ring 25 and Cylinder section from Barrel as described in Figs. 4, 5, 6.  
Fig. 4  
Remove Crank housing cover.  
Remove Ring spring 43  
with slotted screwdriver.  
Remove Barrel cover support  
and Barrel cover.  
M4x25 Hex socket  
head bolt (1 pc)  
Ring spring 43  
Barrel cover  
support  
Crank housing cover  
Barrel cover  
Fig. 5  
Remove Steel ball 4.8 (3 pcs) from each hole  
of Ring 25 with slotted screwdriver.  
Barrel section can now be separated from  
Crank housing complete by unscrewing  
four M5x25 Hex socket head bolts with 1R229.  
Screwdriver magnetized  
with 1R288  
Tool holder  
Ring 25  
Ring 25  
Barrel section  
Barrel  
Steel ball 4.8 (3 pcs)  
Turn counterclockwise.  
1R229  
M5x25 Hex socket  
head bolt (4 pcs)  
Fig. 6  
Strike Tool holder against work bench.  
Tool holder, Ring 25 and Cylinder section can now be removed  
from Barrel. Remove O ring 48 from Barrel.  
Cylinder section  
O Ring 48  
Tool holder  
Barrel  
Ring 25  
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P 5/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Barrel, Tool Holder, Cylinder Section  
DISASSEMBLY  
3) Separate Tool holder from Cylinder section as described in Fig. 7.  
4) Disassemble Impact bolt and Cylinder section as described in Fig. 8.  
Fig. 7  
1. Pull out Striker from  
Cylinder section.  
2. Remove ring 25, Urethane ring 26  
and Ring spring 37 from Cylinder.  
3. By removing Ring 39, you can see  
Pin 6 (3 pcs) that join Tool holder  
with Cylinder.  
Ring 25  
Ring 39  
Ring spring 37  
Pin 6 (3 pcs)  
Cylinder section  
Striker  
Urethane ring 26  
4. By removing Pin 6, Tool holder can be separated from Cylinder section.  
Remove Rod 2.5 (3 pcs) from the grooves of Cylinder.  
5. Push out Impact bolt section from  
Cylinder section using screwdriver.  
Screwdriver,  
Tool holder  
magnetized with 1R288  
Rod 2.5 (3 pcs)  
Pin 6 (3 pcs)  
Impact bolt section  
Cylinder section  
Note: Pin 6 can be removed as described below if it is difficult to remove.  
1. Apply magnetized  
screwdriver to Pin 6.  
2. Align the through hole  
of Tool holder with that  
of Cylinder by pushing  
Tool holder.  
3. Remove Pin 6 using  
magnetized screwdriver  
when the two holes are  
aligned.  
Screwdriver,  
magnetized with 1R288  
Pin 6  
Tool holder  
Cylinder  
Fig. 8  
Disassembling Impact Bolt Section  
Disassembling Cylinder Section  
After removing O Ring 26, the following parts  
can be removed from Cylinder:  
Rubber ring 13  
Cup washer 29, Compression Spring 32, Ring 29  
Cup washer 29  
Ring 29  
Impact bolt  
Flat washer 12  
Cylinder  
O Ring 26  
Compression Spring 32  
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P 6/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -2. Barrel, Tool Holder, Cylinder Section  
ASSEMBLY  
Do the reverse of the disassembling steps.  
Note: Rubber ring 13 is directional when assembled to Impact bolt.  
Be sure to assemble as illustrated to left in Fig. 9.  
Fig. 9  
Correct  
Wrong  
Impact bolt  
Rubber ring 13  
Flat washer 12  
Impact bolt Rubber ring 13 Flat washer 12  
Metal portion  
Rubber portion  
Rubber portion  
Metal portion  
[3] -3. Electrical Parts in Handle Section  
DISASSEMBLY  
1) Disassemble Handle section as described in Fig. 2  
2) The electrical Parts can be replaced as described in Fig. 10.  
Fig. 10  
1. Disassemble Handle cover from Handle  
by unscrewing 4x18 tapping screw.  
2. Disconnect all the Lead wires from Switch.  
Controller, Switch and Power supply cord can now be replaced.  
Handle base  
Handle  
Controller  
Handle cover  
Switch  
Strain relief  
4x18 Tapping  
screw (1 pc)  
Power supply cord  
4x18 Tapping screw (1 pc)  
ASSEMBLY  
Do the reverse of the disassembling steps.  
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P 7/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -4. Motor Section  
DISASSEMBLY  
1) Disassemble Handle section as illustrated in Fig. 2  
2) Separate the contact of Carbon brushes from Commutator as described in Fig. 11.  
3) Disassemble Crank housing complete from Motor housing as illustrated in Fig. 12.  
4) Remove Piston from Crank shaft as illustrated in Fig. 13.  
Fig. 11  
1. Remove Rear cover from Motor housing.  
2. Remove the end of Spiral spring  
[Spiral spring and Carbon brush  
viewed from A]  
from Carbon brush because  
Carbon brush is pressed with  
Spiral spring to maintain secure  
Carbon brush Spiral spring  
Motor housing  
contact with Commutator.  
A
3. By pulling Carbon brush,  
separate the contact of  
Carbon brushes from  
Commutator.  
Rear cover  
4x18 Tapping screw  
(2 pcs)  
Fig. 12  
1. Disconnect Crank housing cover  
from Crank housing complete  
by unscrewing M4x25 Hex socket  
head bolt; no need to remove the  
cover in this step.  
2. Lifting up Crank housing cover,  
remove Barrel section from  
Crank housing by unscrewing  
four M5x25 Hex socket head  
bolts.  
3. Disassemble Crank housing  
complete from Motor housing  
by unscrewing four 5x25  
Tapping screws.  
Crank housing complete  
M5x25 Hex socket  
head bolt (4 pcs)  
M4x25 Hex socket  
head bolt (1 pc)  
5x25 Tapping  
Screw (4 pcs)  
Crank housing cover  
Motor housing  
Fig. 13  
1. Remove Crank cap by unscrewing  
four M4x18 Pan head screws.  
2. For easy removal of Piston,  
move it to the front dead center.  
3. Remove Piston, then unscrew  
two M4x16 Hex socket head  
bolts that fasten Crank section  
to Crank housing complete.  
M4x18 Pan head  
screw (4 pcs)  
Piston  
M4x16 Hex socket  
head bolt (2 pcs)  
Piston  
Crank cap  
Crank housing  
complete  
Crank chamber,  
viewed from Crank cap side  
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P 8/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -4. Motor Section  
DISASSEMBLY  
5) Remove Crank section from Crank housing complete by tapping Fig. 14  
Crank housing complete with plastic hammer. (Fig. 14)  
6) Remove Armature from crank housing complete using 1R023,  
1R225 and arbor press as described in Fig. 15.  
Crank section  
O Ring 39  
Crank housing complete  
Fig. 15  
1. Set Crank housing complete  
on 1R023, and apply the thin  
end of 1R225 to Armature shaft.  
Then press down 1R225 using  
arbor press until it stops.  
2. Turn over 1R225, and fit the pin on the thick end of 1R225  
in the inner race of Ball bearing 6001DDW.  
Armature can now be removed by pressing down 1R225  
using arbor press.  
Note:  
1R225 of old specification cannot  
be set in place due to the height A  
of 20mm. If your 1R225 is old one,  
grind down the height A to 15mm  
or less using power grinder.  
thin end  
of 1R225  
thick end  
of 1R225  
pin  
1R225  
Crank housing  
complete  
height A  
1R023  
[Cross-sectional view]  
[Cross-sectional view]  
thick end  
of 1R225  
thin end  
of 1R225  
Armature shaft  
Ball bearing  
6001DDW  
ASSEMBLY  
Do the reverse of the disassembling steps.  
Note: Make sure that O Ring 39 is mounted to Bearing box of Crank section before assembling Crank section  
to Crank housing complete. (Fig. 14)  
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P 9/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -5. Gear (Crank) Section  
DISASSEMBLY  
1) Disassemble Gear (Crank) section from Crank housing complete as described in Figs. 11 - 14.  
2) Gear (Crank) section can now be disassembled as described in Fig. 16.  
Fig. 16  
3. Put 1R022 under Bearing box to make  
Bearing box parallel to arbor press,  
then apply 1R029 to Oil seal 15.  
By pressing down 1R029 with arbor press,  
Oil seal 15 and Ball bearing 6002LLB  
can be removed from Bearing box.  
1. Stabilizing Bearing box  
of Gear section on 1R258,  
remove Crank shaft using  
arbor press.  
2. Remove Helical gear 36  
and Flat washer 22 (2 pcs)  
from Bearing box.  
Helical gear 36  
Bearing box  
1R258  
1R029  
1R022  
Flat washer 22  
(2 pcs)  
Oil seal 15  
Crank shaft  
Ball bearing 6002LLU  
ASSEMBLY  
Do the reverse of the disassembling steps.  
Note: Make sure that O Ring 39 is mounted to Bearing box of Crank section before assembling Crank section  
to Crank housing complete. (Fig. 14)  
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P 10/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -6. Handle Section  
DISASSEMBLY  
Handle section consists of the following main parts: Handle base, Handle, Handle cover  
And it can be disassembled as illustrated in Figs. 17 - 20.  
Fig. 17  
Fig. 18  
2. Remove Handle cover and  
1. Separate Handle section from the machine first by removing the four  
screws illustrated below, then by disconnecting Connector housing of  
Controller from Motor housing; Compression spring 14 can be  
removed from Crank housing in this step.  
Spring guide from Handle base.  
4x18 Tapping screw (2 pcs)  
Compression spring 14  
Handle section  
Spring guide  
Handle base  
Handle  
M5x20 Pan head  
screw (2 pcs)  
Handle cover  
Connector housing  
of Controller  
5x25 Tapping  
screw (2 pcs)  
4x18 Tapping screw (1 pc)  
Fig. 19  
Fig. 20  
3. Separate Handle from Handle base.  
Note: See Fig. 10 for disassembling the electrical parts  
in Handle section.  
4. Remove Switch lever and Stop ring E-4  
from Handle. Compression spring 8 and  
Lock-on button can now be removed.  
Handle base  
Dust cover support  
Lock-on button  
Dust cover  
Compression spring 8  
Handle  
Stop ring E-4  
Switch Lever  
Shoulder sleeve 6 (2 pcs)  
5x25 Tapping screw (2 pcs)  
ASSEMBLY  
Do the reverse of the disassembling steps.  
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P 11/17  
Repair  
[3] DISASSEMBLY/ASSEMBLY  
[3] -7. Recommended Fastening Torque of Screws and Bolts  
Tighten the bolt to the recommended torque described in Fig. 21.  
Fig. 21  
Q'ty  
4
Fastening Torque  
Item No.  
19  
Description  
M5 x 25 Hex socket head bolt  
19  
7.8 - 11.8 N.m  
Barrel  
Crank housing  
complete  
[4] MAINTENANCE PROGRAM  
When replacing carbon brush, it is recommended to do the following maintenance at the same time  
for longer service life of the machine.  
1) Replace the parts described in Fig. 22 with new ones.  
2) Wash out or wipe off old grease in Crank housing complete, and lubricate the parts  
in accordance with the instructions in [2] LUBRICATION. (Refer to Fig. 1.)  
Fig. 22  
Item No.  
Description  
1
9
Cap 38  
1
Urethane Ring 26  
Steel ball 7.0 (2 pcs)  
O Ring 12  
23  
27  
28  
Rubber Ring 13  
O Ring 18 (thick one)  
Chuck cover Guide washer Change ring  
37 38  
Steel ball 4.8  
Connecting rod  
Piston  
Ring 21 Tool holder  
Impact bolt  
Striker  
Cylinder Ring 29  
9
23  
27  
28  
37  
38  
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P 12/17  
Circuit diagram  
Color index of lead wires' sheath  
Black  
White  
Blue  
Red  
Clear  
Orange  
Brown  
Fig. D-1A  
High Voltage Areas where Radio Interference Suppression Is Required  
Polyolefin tube (Protective tube)  
Connector  
Connector housing B  
Connector housing A  
Noise  
suppressor  
Switch  
Choke coil  
Power supply cord  
Fig. D-1B  
Low Voltage Areas where Radio Interference Suppression Is Required  
Polyolefin tube (Protective tube)  
Connector  
Grounding (Earth) terminal  
Connector housing A  
Noise  
Switch  
suppressor  
Power supply cord  
Fig. D-1C  
Other Areas where Radio Interference Suppression Is Not Required  
Polyolefin tube (Protective tube)  
Connector  
Connector housing A  
Switch  
Power supply cord  
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P 13/17  
Wiring diagram  
[1] Routing Wires Through Handle Base and Handle  
Be careful not to pinch the Lead wires with the ribs. (Figs. D-2, D-3)  
Fig. D-2  
Do not to put the Lead wire (clear)  
of Noise suppressor on these ribs.  
Handle base  
Handle base,  
viewed from  
Controller side  
Handle  
Through hole for  
Handle cover  
passing Lead wires  
from Controller and  
Connector housing  
to the opposite side  
Controller  
Through hole for  
passing Grounding  
(Earth) wire from  
the opposite side  
Noise suppressor  
(if used)  
Do not put the Lead wires on this rib  
or they will be pinched between the rib  
and Handle.  
Do not to put the Lead wires on these ribs  
or they will be pinched between the ribs  
and Motor housing.  
Fig. D-3  
Handle,  
viewed from Handle cover side  
Through hole for  
passing Lead wires  
to the opposite side  
Do not to put the Lead wires on this rib  
or they will be pinched between the rib  
and Handle cover.  
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P 14/17  
Wiring diagram  
[2] Wiring in Handle Base and Handle  
High Voltage Areas where Radio Interference Suppression Is Required  
Fig. D-4A  
Handle base,  
viewed from Controller side  
Lead wires covered with  
Polyolefin tube (black)  
red  
Controller  
blue  
Route all of the Controller's  
Lead wires through this slit.  
Pass these Lead wires from Controller  
and Connector housing A through  
the hole illustrated to right in Fig. D-2.  
Fix the following Lead wires of  
Controller with this Lead wire holder:  
*Lead wire (orange) to Choke coil  
*Lead wires (black, red) to Connector  
housing A  
Connector housing A  
Connector housing B  
Choke coil  
Controller  
The Lead wires to Connector  
housings must be tight between  
Controller and Lead wire holder.  
Fig. D-5A  
Handle, viewed from Handle cover side  
Fix all of the Lead wires to Switch  
with this Lead wire holder of  
Switch holder complete.  
Switch holder  
Switch  
Route all of the Lead wires  
to Switch through between  
the boss and the rib.  
Pass Controller’s Lead wires covered  
with Polyolefin tube (black) between  
Switch and Switch holder's wall.  
rib  
boss  
Pass the following Lead wires  
through this hole:  
*Noise suppressor's Lead  
wires (black)  
*Controller’s Lead wires covered  
with Polyolefin tube (black)  
*Lead wire (red) from  
Handle base,  
viewed from Handle side  
Connector housing A  
*Controller's Lead wire (white)  
Put the slack portion of  
Lead wires in this space.  
Noise suppressor  
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P 15/17  
Wiring diagram  
[2] Wiring in Handle Base and Handle  
Low Voltage Areas where Radio Interference Suppression Is Required  
Fig. D-4B  
Handle base,  
viewed from Controller side  
Put the slack portion of  
Grounding wire in this space.  
Fix Grounding wire (clear)  
with this Lead wire holder.  
Grounding wire (clear)  
Terminal of Grounding wire  
Fix Grounding wire (clear)  
with this Lead wire holder.  
Lead wires covered with  
Polyolefin tube (black)  
red  
Controller  
white  
Route all of the Controller's  
Lead wires and grounding  
wire (clear) through this slit.  
Pass these Lead wires from Controller  
and Connector housing A through  
the hole illustrated to right in Fig. D-2.  
Fix the following Lead wires of  
Controller with this Lead wire holder:  
*Grounding wire (clear)  
*Lead wires (black, red) to Connector  
housing A  
Connector housing A  
Controller  
The Lead wires to Connector  
housing A must be tight between  
Controller and Lead wire holder.  
Fig. D-5B  
Handle, viewed from Handle cover side  
Fix all of the Lead wires to Switch  
with this Lead wire holder of  
Switch holder complete.  
Switch holder  
Switch  
Route all of the Lead wires  
to Switch through between  
the boss and the rib.  
Pass Controller’s Lead wires covered  
with Polyolefin tube (black) between  
Switch and Switch holder's wall.  
rib  
boss  
Pass the following Lead wires  
through this hole:  
*Noise suppressor's Lead  
wires (black)  
Handle Base,  
viewed from Handle side  
*Controller’s Lead wires covered  
with Polyolefin tube (black)  
*Lead wire (red) from  
Connector housing A  
*Controller's Lead wire (white)  
Pass Grounding wire (clear)  
through the hole illustrated  
to right in Fig. D-2.  
Grounding wire (clear)  
Put the slack portion of  
Lead wires in this space.  
Noise suppressor  
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P 16/17  
Wiring diagram  
[2] Wiring in Handle Base and Handle  
Other Areas where Radio Interference Suppression Is Not Required  
Fig. D-4C  
Handle base,  
viewed from Controller side  
Lead wires covered with  
Polyolefin tube (black)  
red  
Controller  
blue  
Route all of the Controller's  
Lead wires through this slit.  
Pass these Lead wires from Controller  
and Connector housing A through  
the hole illustrated to right in Fig. D-2.  
Fix the following Lead wires of  
Controller with this Lead wire holder:  
*Lead wires (black, red) to Connector  
housing A  
Connector housing A  
Controller  
The Lead wires to Connector  
housing A must be tight between  
Controller and Lead wire holder.  
Fig. D-5C  
Handle, viewed from Handle cover side  
Fix all of the Lead wires to Switch  
with this Lead wire holder of  
Switch holder complete.  
Switch holder  
Switch  
Route all of the Lead wires  
to Switch through between  
the boss and the rib.  
Pass Controller’s Lead wires covered  
with Polyolefin tube (black) between  
Switch and Switch holder's wall.  
rib  
boss  
Pass the following Lead wires  
through this hole:  
*Controller’s Lead wires covered  
with Polyolefin tube (black)  
*Lead wire (red) from  
Handle base,  
viewed from Handle side  
Connector housing A  
*Controller's Lead wire (blue)  
Put the slack portion of  
Lead wires in this space.  
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P 17/17  
Wiring diagram  
[3] Connecting Connector Housing with Brush Holder Unit  
Connector housing is directional when connected with Brush holder complete in Motor housing.  
Be sure to connect as described in Fig. D-6.  
Fig. D-6  
The side where Lead wires are drawn out must be placed on Rear cover side as illustrated blow.  
Connector housing B  
(if used)  
Connector housing A  
Motor housing  
side where Lead wires  
are drawn out  
Choke coil  
(if used)  
to Controller  
on Handle base  
Rear cover  
[DO NOTs]  
1. The side where Lead wires are drawn out  
must not be placed on the opposite side to  
Rear cover.  
2. Do not put Lead wires on Connector  
housing(s) or Lead wires will be  
pinched between Handle base and  
Motor housing.  
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