Depressed Center Wheel Assembly And Disassembly - Hitachi G 14DSL Safety Instructions And Instruction Manual

4. Use proper grinding angle.
Grind only with the wheel's edge by lifting the
grinder 15° to 30°, as shown in Fig. 8.
CAUTION:
Do not use the entire surface of the depressed
center wheel. Use only the edge of the depressed
center wheel.
5. Move the grinder in the proper direction.
When using a new depressed center wheel in
direction A (Fig. 8), the wheel edge may cut into the
workpiece. In this case, grind in direction B (Fig. 8).
Once the wheel edge is worn, the workpiece can
be ground in both directions.
A
NOTE:
The wheel provided (resinoid wheel) is rated as
Class A grain and # 36 grain size. It is most suitable
for heavy grinding of steel and other types of
materials.
6. Adjust operation to desired finish.
For a fine finish, decrease pressure by lifting
slightly. Grind slowly and at the appropriate speed.
CAUTION:
The revolving depressed center wheel will create
air turbulence.
Do no lay the grinder down in areas of dust or dirt
until it has come to a complete stop.
15° – 30°
B
Fig. 8
DEPRESSED CENTER WHEEL ASSEMBLY
AND DISASSEMBLY
WARNING:
Be sure to turned off the switch and pull out the
battery.
1. Assembly
(1) Turn the disc grinder upsidedown so that the
spindle is facing upward.
(2) Align the oval-shaped indentation 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. 9.
Wrench
Wheel nut
Depressed center
wheel
Wheel washer
Spindle
Wheel guard
CAUTION:
Tighten the wheel nut securely and confirm that
the depressed center wheel does not wobble.
2. Disassembly
To remove the depressed center wheel, simply
reverse the above-mentioned procedure.
English
Tighten
Push
button
Fig. 9
17