Makita UC3020A Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Brake Mechanism and Armature (cont.)
DISASSEMBLING
10) Remove Brake band by unscrewing Tapping screw 4x18, then disconnect Brake ring from Rod. (Fig. 16)
11) Remove Rod from Bearing holder. (Fig. 17)
Fig. 16
Tapping screw 4x18
Flat washer 5
Brake band
Rod
Brake ring
ASSEMBLING
1) Assemble the components of Brake mechanism to
Bearing holder. (Figs. 17, 16, 15)
Note:
*Engage the notch on Brake band with the projection on
Brake ring when assembling Brake band to Bearing holder.
Otherwise Armature cannot be unlocked when Switch lever
is pulled for starting operation. (Fig. 18)
*Compression spring 9 of link plate complete has to be set
in the rib of bearing holder exactly. (Fig. 15 on page 7)
2) Unlock Kick back brake with pliers. (Fig. 12 on page 7)
3) Assemble Rod to Bearing holder as illustrated in Fig. 11 on page 6.
Kick back brake and brake synchronized with Switch lever are both unlocked in this step.
4) Assemble Armature to Bearing holder. (Fig. 13 on page 7)
5) Assemble Lubricating mechanism to Bearing holder. (Figs. 6, 5, 4, 3 on page 3)
6) Pull Switch lever to loosen Brake band.
7) Engage Spur gear 43 mounted to Housing (R) with Spur gear 12 mounted to Armature.
Then turn Sprocket until Cam of Spindle fits in the loop portion of Crank.
8) Secure Housing (R) to Housing (L) with nine 4x18 Tapping screws. (Fig. 2 on page 3)
Bearing holder
Compression spring 5
Fig. 17
Take off rod from the slit by pulling in the direction
of Brake band installation side.
Rod
Fig. 18
Brake band
notch
projection
P 8 /10
Brake ring
Rod