Makita UC4503A Chainsaw User Manual


 
Repair
P 6 / 8
< 5 > Replacement of Clutch Drum and Brake Spring (cont.)
3. Take Brake spring out of Gear housing (R), then remove Brake spring from the claw of Brake spring holder. (Fig. 12)
< 6 > Replacement of Brake Spring Holder
1. First lock Clutch drum with Brake spring using Retaining ring S pliers (1R003) as described below.
Place the jaws of the pliers as illustrated in Fig. 13.
Open the pliers until Brake spring holder is locked in the position as illustrated in Fig. 13.
Now clutch drum is locked with Brake spring.
2. Inert one jaw of Retaining ring R pliers (No.1R005) into the hole of Brake spring holder, and the other jaw into
Compression spring 9 as illustrated in Fig. 14.
By closing the pliers, Compression spring 9 can be removed from Gear housing (R).
Fig. 12
3. By removing Clamp washer using a slotted screwdriver or the like, Blake spring holder can be replaced. (Fig. 15)
Note: Do not reuse a Clamp washer removed from Gear housing (R). Always use brand-new one.
Fig. 15
Fig. 13 Fig. 14
Brake spring
Gear housing (R)
Brake spring
holder
Brake spring holder
Brake spring
Claw of brake
spring holder
Gear housing (R)
Brake spring holder
Clutch drum
Brake spring
Retaining ring S pliers
(No.1R003)
Retaining ring R pliers
(No.1R005)
[A]
Enlarged image of [A]
Clamp washer
Brake spring holder
Gear housing (R)
Compression spring 9
(to be continued to next page)