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R
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[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW (Cont.)
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.
[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. 16
Structure of Cam housing
Cam housing
Cam
Plane
bearing
Viewed from the reverse side
Change plate
ASSEMBLY
Assemble Change lever A and Lever case to the new Cam housing as illustrated in Fig. 18.
Fig. 18
Insert Rubber pin 4 into
the boss of Change lever A.
Change lever A
boss
Rubber pin 4
Fig. 17
Change lever A
Lever case
Change
plate
Rubber pin 4
Fan guard
Lever case
Change lever A
Push the boss into the hole of
Change plate through Lever case.
Change lever A
Lever case
Change plate
Fan guard
Fig. 15
Spindle must return as soon as you push it down.
Change lever A
Awl
Change plate
Gripping Change lever A and Change plate with Pliers,
press them.
Change lever A is fixed correctly to Change plate of
new Cam housing.
Pliers
boss
P 5 / 8
Lever case
Rubber
pin 4
Fan guard
Cam housing
Fan guard
Change lever A
Change plate
Fan guard
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