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3) Removal of brake disc
(1) Remove snap ring
⑦
, and remove spring retainer plate
⑧
.
(2) Remove spring
⑨
, and remove brake piston
⑩
.
•
Spring: 11 pcs
•
When the brake piston is difficult to remove, force-feed air from the brake port.
(Attach hydraulic hose
⑤
, turn clockwise the valve knob installed at the right inside
the vehicle, and press the hand pump to force-feed air.)
•
After force feeding air, return the valve knob counterclockwise.
(3) Remove brake discs
⑪
and
⑫
, as well as brake shaft
⑬
.
•
Disc
⑪
: 8 sheets; disc
⑫
: 7 sheets
•
Part No.
Disc
⑪
: 4217-26002-0; disc
⑫
: 4217-26001-0
Traveling motor assembling procedure
★
Carefully clean attaching parts, and assemble the traveling motor in a manner to prevent
entry of foreign matter into the motor.
1) Installation of brake disc
Install brake shaft
⑬
, and then install brake disc
⑪
and brake disc
⑫
in this order.
•
Disc
⑪
: 8 sheets; disc
⑫
: 7 sheets
2) Installation of brake piston
(1) Install brake piston
⑩
.
•
Check that the O-ring and backup ring have been attached to the attaching section on
the motor side (2 places shown in the figure).
•
Carefully install the brake piston so that the O-ring will not be clamped.
O-RING and Back up ring
O-RING and Back up ring
9 Spring
8 Spring retainer plate
10 Brake piston
11 Brake disc
8 sheets
12 Brake disc
7 sheets
13 Brake shaft
Motor case
7 Snap ring