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WARNING - Flannery Plant Hire

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3<br />

Adjust Track Sag (Rubber Crawler) and Check for<br />

Damage<br />

--- daily<br />

MAINTENANCE<br />

Proper track sag adjustment is necessary to extend the service<br />

life of the rubber track and the travel device.<br />

Check Track Sag<br />

As illustrated to the right, raise the one side track which<br />

sag is to be measured, off the ground. Place blocks under<br />

machine frame to support the machine. Rotate the rubber<br />

track so that the track joint is positioned at the upper center<br />

of the track. Measure distance (A) from the bottom of the<br />

lower roller tread to the inner ridge of the rubber track.<br />

Track Sag Specifications A in mm<br />

(in)<br />

Adjusting Track Sag<br />

Dimension<br />

10 to 15<br />

(0.39 to 0.59)<br />

1. If track sag is not within specifications, loosen or tighten<br />

the track following the procedures shown on the next<br />

page.<br />

2. Before adjusting track sag, lower the bucket to the<br />

ground to raise one track off the ground. Be sure to place<br />

blocks under machine frame to support the machine.<br />

3. After adjusting track sag of both tracks, run the tracks<br />

back and forth several times to equalize the track sag on<br />

both side tracks.<br />

4. After doing so, check track sag again. If track sag is not<br />

within specifications, repeat adjustment until the correct<br />

sag is obtained.<br />

Check Rubber Track for Damage<br />

Check the rubber track for damage. If any, consult your<br />

authorized dealer for repair.<br />

7-67<br />

A<br />

Joint<br />

Track Sag (Rubber Crawler)<br />

Side a<br />

Joint<br />

Roller<br />

M1M7-04-006<br />

M588-07-055<br />

M102-07-075<br />

M503-05-050

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