129
MAINTENANCE
Every 50 Hours
< TB180FR >
3. Inspect the gap (A or B) between the
bottom surface of the frame at the center
of the crawler frame and the top surface
of the crawler.
The gap (A or B) should be within the
following range :
< TB153FR >
(A) Rubber crawler :
108 to 118 mm (4.3 to 4.7 in.)
(B) Steel crawler :
172 to 192 mm (6.8 to 7.6 in.)
< TB180FR >
(A) Rubber crawler :
160 to 180 mm (6.3 to 7.1 in.)
(B) Steel crawler :
260 to 280 mm (10.2 to 11.0 in.)
Adjustment < TB180FR >
TB180FR uses a hydraulic cylinder to adjust
the tension of the crawler belts. Note that it
is not necessary to regularly perform
adjustments of the tension of the belt itself.
Adjustment < TB153FR >
Increasing the tension
1. Remove the cover (1).
2. Using the grease gun, insert grease
through the grease nipple (3) in the grease
discharge valve (2).
3. Inspect the crawler tension.
Decreasing the tension
1. Remove the cover (1).
2. Using the Spanner, slowly loosen the
grease discharge valve (2) and drain the
grease.
If the grease does not drain easily, move
the machine forward or backward.
3. Tighten the grease discharge valve (2).
• Tightening torque : 177 N·m (130 ft.lb.)
E4G0211
B
A
1
2
3
D5G025
D5G026
1
2
3
Summary of Contents for TB153 FR
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Page 8: ...6...
Page 45: ...43 MEMO...
Page 68: ...66...
Page 89: ...87 MEMO...
Page 108: ...106...
Page 180: ...178 SPECIFICATIONS Machine Dimensions...
Page 182: ...180 SPECIFICATIONS Operating Range J1K0021 D J H K C F G A E B...
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Page 225: ...223 MEMO...
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Page 231: ...229 INDEX...