P 9/ 20
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-4. Bearing box section, Piston, Crank section
DISASSEMBLING
(1)Remove Handle section and Controller cover to hold the machine upright. (Fig. 2)
(2)Separate Barrel section from Crank housing complete (the left illustration in Fig. 6)
(3)Disassemble Cylinder section (Fig. 7)
(4)For repairing Piston & Crank section, Motor section has to be separated from Crank housing complete. Separate Motor housing from Crank housing complete in order of Figs. 17 and 18.
Fig. 17
Disassemble Gear cover, and then, remove Flat washer 14 and Gear complete
M6x30 Hex socket
head bolt (6pcs.)
Gear cover
Flat washer 14
Gear
complete
Piston
And then, remove two Needle | Disassemble Rear cover. | |
gauges and Flat washer 14. | So, Motor housing comes | |
| Needle gauge | into your sight. |
Helical gear 52 |
| |
1412 (2pcs.) |
| |
|
| |
| Flat washer 14 |
|
Motor housing
Rear cover
M6x30 Hex socket head bolt (6pcs.)
Turn Helical gear 52 until Piston comes out from Crank housing complete.
O rings on Piston can be replaced in this step.
Fig. 18
Disconnection of the Contact of Carbon brush with Commutator
Carbon brush is pressed with Spiral spring to maintain its contact with Armature's commutator.
Detach Spiral spring from Carbon brush.
By pulling Carbon brush, disconnect the contact with Armature's commutator.
Spiral spring Carbon brush
Carbon brush
Spiral spring |
Carbon brush
Remove Motor housing by levering it up with 2 pcs. of 1R263 as illustrated below.
1R263