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R
epair
[3]-3 Rotor
DISASSEMBLING
(1) Separate Housing R from Housing L and disassemble Motor section (Fig. 22).
Fig. 22
1. Housing R can be removed and Motor section can be
repaired without disassembling Bit holder section, Bumper,
Hammer case assembly and Change ring.
3. Put the Motor section on a work bench
from the drive end of the Rotor.
Press Stator down to separate it from Rotor.
ASSEMBLING
Note: Assemble them by following steps in Fig. 23, while being careful not to pinch your finger
between Stator set and Rotor fan due to strong magnet force of Rotor.
Fig. 23
Insert Rotor into Stator set on Workbench, held
by hand to control strong Magnet force of Rotor.
Further assemble can be completed by taking the reverse step of disassembly (Fig. 22).
CAUTION IN HANDLING
Keep an appropriate distances when you put or store the plural rotors, otherwise, they will stick abruptly
each other and it will cause crack or break.
2. Remove Impact assembly together with
Motor section from Housing L. And separate
Motor section from Impact assembly.
Motor section
Impact
assembly
Rotor
Stator set
Slowly lift up Stator set while controlling the magnet force
of Rotor so as not to stick to Fan side abruptly.
Rotor
Stator set
P 15/ 18
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