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Repair Guide; Precautions On Disassembly And Reassembly - Hitachi WH 10DAL Service Manual

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WARNING: Be sure to remove the Type BCL 1015 battery from the main body before starting repair
or maintenance work. Because the tool is cordless, inadvertently activating the switch
with the battery left in the main body will start the motor rotating unexpectedly, and
could cause serious injury.

1. Precautions on disassembly and reassembly

[Bold] numbers in the description below correspond to item numbers in the Parts List and exploded
assembly diagram for the Model WH 10DAL.
1. Removal of guide sleeve (C)
(1) Follow the procedure shown in Figs. 1 to 4 below to remove the Retaining Ring [2], Washer (F) [3],
Guide Spring (C) [4] and Guide Sleeve (C) [5] in this order. Avoid quickly raising the Retaining Ring
[2]; otherwise, it may suddenly spring out. Be sure not to lose the two Steel Balls D3.175 [8] in the
Anvil [9].
• Removal of guide sleeve (C)
Fig. 1
Anvil [9]
Retaining Ring [2]
Washer (F) [3]
Gap of the Retaining
Ring [2]
Hold the body and adjust the gap of the Retaining Ring [2]
to the groove of the Anvil [9], then insert a small flat-blade
screwdriver into the groove at an angle.
Fig. 3
Slide the small flat-blade screwdriver under one side of the
gap of the Retaining Ring [2].

REPAIR GUIDE

Disassembly
Small flat-blade screwdriver
Guide Sleeve (C) [5]
-1-
Fig. 2
Press down Washer (F) [3] with the small flat-blade
screwdriver.
Fig. 4
Slowly raise the Retaining Ring [2] using the end face of
Guide Sleeve (C) [5] as a fulcrum.

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