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10. REPAIR GUIDE
WARNING: Without fail, remove the Model EB 1220BL or EB 1230HL Battery from the main body before
starting repair or maintenance work. Because the tool is cordless, if the battery is left in and
the switch is activated inadvertently, the motor will start rotating unexpectedly, which could
cause serious injury.
10-1. Precautions in Disassembly and Reassembly
The [bold] and <bold> numbers correspond to the item numbers in the Parts List and the exploded assembly
diagram. ( [ ]: WH 12DM, < >: WR 12DM )
10-1-1. Disassembly
(1) Removal of Guide Sleeve (A) [4] (Model WH 12DM only)
Remove the Retaining Ring [1], Washer (D) [2], Guide Spring [3] and Guide Sleeve (A) [4] in order by
following the procedure shown in Figs. 8-1 to 8-4. Be sure not to lose the two Steel Balls D3.5 [8] in Anvil (C)
[9].
1
Anvil (C) [9]
Retaining Ring [1]
Washer (D) [2]
Gap of retaining ring
Hold the body and adjust the gap of the retaining
ring to the groove of anvil (C), then insert a small
flat-blade screwdriver into the groove at an angle.
3
Slide the small flat-blade screwdriver under one side
of the gap of the retaining ring.
Then slowly raise the other side of the retainer ring with the small flat-blade screwdriver until it is free. Avoid
quickly raising the retainer ring or it may fly out forcefully.
Small flat-blade screwdriver
Guide Sleeve (A) [4]
Fig. 8-1
Fig. 8-3
--- 31 ---
2
Press down the Washer (D) with the small flat-blade
screwdriver.
4
Slowly raise the retaining ring using the end face of
guide sleeve (A) as a fulcrum.
Fig. 8-2
Fig. 85-4
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