STRUCTURE
17VX3
CRAWLER SHOE ADJUSTING DEVICE
Fill grease Piston
Spring
Spring set length: 135mm
(Free length: 161mm)
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- -
---
o ring
Backup ring
Dust seal
Detail A
NOTE 1
Detail
of
check
valve
(Metal seat type)
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Lubricating plug
NOTE 2
NOTE:
1.
Before assembling the idler ass'y bearing block lubricate their side way to
the frame with grease.
2.
Position the lubricating plug side outward when assembling the idler ass'y
to the frame.
3.
Install the grease cylinder to position the oil fill pod outward.
4.
Keep tightening torque to the check valve 55.8 to 68.6 N-m to prevent
breaking
it.
5.
This figure shows the left side frame. Assemble the right side
symmetrically.
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- When the tension of the shoe
is
high, the
grease cylinder internal pressure becomes
considerably high.
- The grease can gush out of the cylinder under
high pressure. NEVER remove the grease
nipple.
- While adjusting, do not move your face or
hands closer to the check valves.
- Relieve pressure
by
opening check valve
gradually
by
1 turn at maximum.
2-15-1
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