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[4] DISASSEMBLY/ASSEMBLY
[4]-4. Gear case assembly (cont.)
Repair
P 8/ 22
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, press-fit them together using arbor press and
1R028 as shown in Fig. 27.
ASSEMBLING
Fig. 27
1R028
Gear case assembly
Ball bearing
6000DDU
The components of
Cutter shaft complete
[4]-5. Clutch shoe
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)
(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.
DISASSEMBLING
Fig. 30 Fig. 31
ASSEMBLING
Fig. 28 Fig. 29
Clutch shoe (2 pcs.)
M8 Shoulder hex bolt
(2 pcs.)
Hex portion of
Clutch base
Tension spring 5 (2 pcs.)
Flat washer 8
Flat washer 8
(2 pcs.)
Wave washer 10 (2 pcs.)
M8 Shoulder hex bolt (2 pcs.)
M8 Shoulder hex bolt
Clutch base
Clutch base
Wave washer 10
Clutch shoe
Arrow marks on
Clutch shoes
(2 pcs.)
shoulder
shaft portion