Assembling And Disassembling The Depressed Center Wheel; Maintenance And Inspection - Hitachi G 14DMR Handling Instructions Manual

Always use eye and ear protection.
○
Other personal protective equipment such as dust mask, gloves, helmet and apron
should be worn when necessary.
If in doubt, wear the protective equipment.
When the machine is not use, the battery should be disconnected.
○
ASSEMBLING AND DISASSEMBLING THE DEPRESSED
CENTER WHEEL (Fig. 3)
CAUTION
Be sure to turn off the switch and pull
out the battery.
1. Assembling (Fig. 3)
(1) Turn the disc grinder upsidedown so that
the spindle is facing upward.
(2) Align the across fl ats of the wheel washer
with the notched part of the spindle, then
attach them.
(3) Fit the protuberance of the depressed
center wheel onto the wheel washer.
(4) Screw the wheel nut onto the spindle.
(5) While pushing the push button with one
hand, lock the spindle by turning the depressed center wheel slowly with the other hand.
Tighten the wheel nut by using the supplied wrench as shown in Fig. 3.
2. Disassembling
Follow the above procedures in reverse.
CAUTION
Confi rm that the depressed center wheel is mounted fi rmly.
○
Confi rm that the push button is disengaged by pushing push button two or three
○
times before switching the power tool on.

MAINTENANCE AND INSPECTION

1. Inspecting the depressed center wheel
Ensure that the depressed center wheel is free of cracks and surface defects.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that they are properly tightened. Should
any of the screws be loose, retighten them immediately. Failure to do so could result in
serious hazard.
3. Maintenance of the motor
The motor unit winding is the very "heart" of the power tool.
Exercise due care to ensure the winding does not become damaged and/or wet with oil or
water.
Wernch
Wheel nut
Depressed
center wheel
Wheel washer
Spindle
Wheel guard
43
English
Diamond wheel
Push button
Fig. 3