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MAINTENANCE AND INSPECTION
WARNING:
1. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that they are properly tightened.
Should any of the screws be loosened, retighten them immediately.
WARNING:
2. Inspecting the carbon brushes (Fig. 7)
The motor employs carbon brushes which are
consumable parts. Replace the carbon brush
with a new one when it becomes worn to its wear
limit. Always keep carbon brushes clean and
ensure that they slide freely within the brush
holders.
CAUTION: Using this electronic sander polisher with a carbon brush which is worn in
excess of the wear limit will damage the motor.
NOTE: Use HITACHI carbon brush No. indicated in Fig. 7.
Replacing carbon brushes:
Remove the brush caps (Fig. 1) with a slotted screwdriver. The carbon brushes can then
be easily removed.
3. Cleaning lock pin section
If the lock pin section becomes dirty, clean it at once.
SERVICE AND REPAIRS
All quality power tools will eventually require servicing or replacement of parts because of
wear from normal use. To assure that only authorized replacement parts will be used, all
service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER,
ONLY.
NOTE:
Specifications are subject to change without any obligation on the part of the HITACHI.
Be sure to switch power OFF and disconnect the plug from the receptacle
during maintenance and inspection.
Using this electronic sander polisher with loosened screws is extremely
dangerous.
English
Wear limit
43
No. of carbon
Fig. 7
15
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