P 5 / 8
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW (Cont.)
R
epair
ASSEMBLY
7) Assemble the Gear housing to Motor housing. Refer to Fig. 4.
Note: Make sure that Conical compression spring works
properly as illustrated in Fig. 15.
8) Fasten Drill chuck to the fastening torque of 25.5 - 30.6 N.m by
turning clockwise.
Spindle must return as soon as you push it down.
Fig. 15
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Change Lever
DISASSEMBLY
Change lever A and Lever case can be separated from Cam housing as illustrated in Fig. 17.
Note: Cam housing consists of Cam, Plane bearing and Change plate. (Fig. 16)
Even if any component of Cam housing has damaged, replace Cam housing by new one.
Fig. 17
Fig. 16
Cam housing
Viewed from the reverse side
Structure of Cam housing
Cam
Plane
bearing
Cam housing
Change plate
Change plate
Rubber
pin 4
Lever case
Fan guard
Fan guard
Change lever A
Lever case
Awl
Change
plate
Rubber pin 4
Fan guard
Lever case
Change lever A
Change lever A
ASSEMBLY
Fig. 18
Assemble Change lever A and Lever case to the new Cam housing as illustrated in Fig. 18.
Insert Rubber pin 4 into
the boss of Change lever A.
Push the boss into the hole of
Change plate through Lever case.
Gripping Change lever A and Change plate with Pliers,
press them.
Change lever A is fixed correctly to Change plate of
new Cam housing.
Fan guard
Rubber pin 4
Change lever A
Change lever A
Change lever A
Lever case
Change plate
Change plate
boss
boss
Fan guard
Pliers
