Repair
[4]DISASSEMBLY/ASSEMBLY
[4]-4. Gear case assembly (cont.)
ASSEMBLING
Assemble by reversing the disassembly procedure.
Note:
•Make sure that O ring 32 is put into the inner groove of Gear case assembly in advance.
•When mounting Cutter shaft complete into Gear case assembly,
P 8/ 22
Fig. 27
| 1R028 |
| Ball bearing |
The components of | 6000DDU |
Cutter shaft complete |
|
Gear case assembly
[4]-5. Clutch shoe
DISASSEMBLING
Warning: Remove Spark plug cap from Spark plug to prevent accidental engine starting.
Note: Clutch can be easily removed with a cordless impact driver without locking Piston, because it is locked in a position due to the compressed air resistance in Cylinder.
Therefore, do not remove Spark plug, or the air in Cylinder cannot be compressed.
(1)Remove two Clutch shoes and Tension springs 5 by loosening each M8 Shoulder hex bolt counterclockwise. (Fig. 28)
(2)Remove Clutch base by turning the hex portion counterclockwise. (Fig. 29)
Fig. 28 | Fig. 29 |
Clutch shoe (2 pcs.) | Hex portion of |
| Clutch base |
M8 Shoulder hex bolt (2 pcs.)
Tension spring 5 (2 pcs.)
ASSEMBLING
(1)Set Clutch base in place by turning the hex portion clockwise.
(2)Set two Clutch shoes and Tension springs 5 in place by tightening each M8 Shoulder hex bolt clockwise; first by hand,
then with a cordless impact driver*
*This is because the M8 Shoulder hex bolt is a shoulder bolt. Therefore, tighten by hand until the shoulder of the shaft portion contacts the upper end surface of Clutch shoe, then tighten fully with a cordless impact driver. (Fig. 30)
Note:
•Face the arrow marks on Clutch shoes toward the upper side. (Fig. 31)
•Put Clutch shoe between Wave washer 10 and Flat washer 8, then tighten M8 Shoulder hex bolt. Refer to Figs. 30 and 31.
Fig. 30 | Fig. 31 |
| |
M8 Shoulder hex bolt | Clutch base | Arrow marks on | |
Clutch shoes | |||
Wave washer 10 |
| ||
| (2 pcs.) | ||
shaft portion | Flat washer 8 |
| |
shoulder | (2 pcs.) |
| |
|
| ||
Clutch shoe | Wave washer 10 (2 pcs.) | ||
| |||
Flat washer 8 |
| M8 Shoulder hex bolt (2 pcs.) | |
|
| ||
Clutch base |
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