Soft Grip Handle; Dust-Proof Ball Bearing Thanks To The Labyrinth Construction; Wheel Guard Angle-Adjustable Without Using A Tool - Hitachi G 18SCY Technical Data And Service Manual

4-5. Soft Grip Handle

The double-layer molded handle consists of a nylon resin base covered with a soft plastic layer to ensure a soft
touch and firm, non-slip grip of the handles.

4-6. Dust-proof Ball Bearing Thanks to the Labyrinth Construction

The ball bearing retainers at both sides of the armature have a labyrinth construction to make the ball bearings
dust-proof.
Ball bearing (6301DDCM)
Armature shaft
Bearing cover (A)

4-7. Wheel Guard Angle-Adjustable without Using a Tool

By following the procedure described below, the newly developed tool-less wheel guard can be adjusted to a
desired angle without using any tool.
[Installation and adjustment of the wheel guard]
Set the Wheel Guard Ass'y [40] <40> on the Packing Gland [31] <31>.
With the Lever [35] <35> closed, tighten the Bolt M8 x 22 [36] <36> until the wheel guard is locked in position.
Open the Lever [35] <35> for angle adjustment of the wheel guard. (If the wheel guard is difficult to turn, loosen
the Bolt M8 x 22 [36] <36> and readjust the wheel guard.)
Be sure to close the Lever [35] <35> after finishing adjustment before starting operation.
When the Lever [35] <35> becomes dull in motion, lubricate the sliding area between the Set Piece [38] <38> and
the Lever [35] <35>.
Labyrinth
Fan
Fig. 6
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Commutator
Dust seal
Bearing bushing
Fig. 8
Ball bearing
(6000VVCM)
Rubber ring (A)
Labyrinth
Housing
Fig. 7