Komatsu Excavator PC210LC-6K

When the differential pressure is measured under the conditions above, and the results show that the differentiaI pressure is not within the standard value, adjust as follows.

1) Loosen locknut (7) and turn screw (8) to adjust the differential pressure. * Turn the screw to adjust the differential pressure as follows.

- To INCREASE pressure, turn CLOCKWISE

- To DECREASE pressure, turn COUN-TERCLOCKWISE

2) After adjusting, tighten locknut (7).

~ Locknut : 29.4 ± 4.9 Nm (3.0 ± 0.5 kgm)

Note: Always measure the differential pressure while adjusting.;

1. Check item: Vertical width of idler guide (Track frame)

2. Check item: Vertical width of idler guide (Idler support)

3. Check item: Horizontal width of idler guide (Track frame)

Free length × O.D.: 26.5 × 8.15

Installed load: 16.7 N (1.7 kg)

Installed load: 13.7 N (1.4 kg)

Remedy: Replace spring if any damages or deformations are found

Check for any damages or deformations

- Check item: Centering spring (for P3, P4)

Free length × O.D.: 42.4 × 15.5

Installed load: 17.6 N (1.8 kg)

Installed load: 13.7 N (1.4 kg)

Remedy: Replace spring if any damages or deformations are found

- Check item: Centering spring (for P1, P2)