Service Manual

325/328 Excavator

Operation and Maintenance Manual 82

TRACK TENSION (CONT’D)

Steel Track Clearance

Figure PM-44

Measure the track clearance at the middle track roller. Do

not get fingers into pinch points between the track and the

track roller. Use a bolt or dowel of the appropriate size to

check the gap between the contact edge of the roller and

the top edge of the track guide [Figure PM-44].

Steel Track Clearance -19.6-32.3

Adjustment

Figure PM-45

Loosen the two bolts (Item 1) [Figure PM-45] from the

cover. Pivot the cover downwards.

Figure PM-46

Add grease to the fitting (Item 1) [Figure PM-46] until the

track tension is correct.

Figure PM-47

Use tool MEL1560 (Item 1) [Figure PM-47] to loosen the

bleed fitting (Item 2) [Figure PM-46] to release tension

from the track.

NOTE: Do not loosen the grease fitting (Item 1)

[Figure PM-46].

Repeat the procedure for the other side.

B-15022

Track Frame

(19.6-32.3 mm)

Track

P-49116

P-42741

N-18490

6804114