Komatsu PC58UU-3 User Manual

20-110
PC58UU-3
b
TESTING AND ADJUSTING TRACK SHOE TENSION
TESTING AND ADJUSTING
TRACK SHOE TENSION
Testing
1. Run the engine at low idling and move the
machine forward by the length of track on the
ground and stop slowly.
2. Place straight-edge (3) over idler (1) and carrier
roller (2).
3. Measure the maximum distance between the
top of the track and the underside of the
straight-edge.
• If the standard slack (a) is in the following
range, the shoe tension is normal.
Adjusting
★
If the standard track shoe tension is abnormal,
adjust according to the following procedure.
1. When tension is too high
1) Loosen valve (1) gradually to discharge
grease.
★
If the grease is not discharged sufficiently,
move the machine slowly forward and in
reverse.
2) To check that the track shoe tension is nor-
mal, run the engine at low idling and move
the machine forward by the length of track
on the ground and stop slowly.
3) Test the track shoe tension again. If it is still
abnormal, adjust it again.
2. When tension is too low
1) Supply grease through grease fitting (2).
★
If the track shoe tension is not tensed
well, move the machine slowly forward
and in reverse.
2) To check that the track shoe tension is nor-
mal, run the engine at low idling and move
the machine forward by the length of track
on the ground and stop slowly.
3) Test the track shoe tension again. If it is still
abnormal, adjust again.
Specification
Standard slack
(a)
Road liner, steel shoe 10 ~ 30 mm
Rubber shoe 1 ~ 3 mm
Do not loosen the valve more
than 1 turn since the internal
high-pressure grease may spout
out.
Grease fitting:
Grease (G2-LI)

Komatsu PC58UU-3 Specifications

General

Brand	Komatsu
Model	PC58UU-3
Category	Construction Equipment
Language	English