Testing And Adjusting Track Tension - Komatsu PC200-8M0 Shop Manual

SEN06127-00
Testing and adjusting track
tension
Testing
1. Run the engine at low idle and drive the
machine forward by the length of track on
ground, and then stop slowly.
2. Place straight bar [1] on the track shoe
between the idler and the 1st carrier roller.
a As the straight bar, use an angle steel, etc.
which will be deflected less.
3. Measure maximum clearance (a) between
steel bar [1] and track shoe.
q Standard maximum clearance (a):
32
30-101
Adjusting
a If the track tension is abnormal, adjust it
1
according to the following procedure.
1. Increasing tension
1)
2)
3)
10 to 30 mm
a You may add grease until dimension (b)
101 Testing and adjusting, Part 1

Testing and adjusting track tension

Add grease through grease fitting (1) with
a grease gun.
To check that the tension is normal, run
the engine at low idle and move the
machine forward by the length of track on
ground, then stop slowly.
After adjusting, check the track tension
again according to the above procedure.
between the idler guide and track frame
end becomes 0 mm. If the tension is still
low, the pins and bushings are worn
much. In this case, reverse or replace the
pins and bushings.
PC200, 200LC, 220, 220LC-8M0