MAINTENANCE
7-71
7 to 8 mm
98 N (10 kgf)
1
3
2
ZX135US-5B
M1U1-07-089
Alternator
Pulley
Fan Pulley
Crank Pulley
Check and Adjust Fan Belt Tension
(ZX135US-5B)
--- every 250 hours (50 hours at first time only)
IMPORTANT: Loose fan belt may result in insufficient
battery charging, engine overheating, as well as a
rapid, abnormal belt wear. Belts that are too tight,
however, can damage both bearings and belts.
Inspection
Check fan belt tension by depressing the midpoint between
the fan pulley and the alternator pulley by your thumb
with a depressing force of approximately 98 N (10 kgf).
Deflection must be within the value illustrated in the right.
Visually check the belt for wear. Replace if necessary.
Adjust Drive Belt Tension
1. Loosen lock nut (1) and alternator lower mounting bolt
(3).
2. Rotate tension adjust bolt (2) to adjust the belt tension.
3. After completing adjustment, tighten lock nut (1) and
alternator lower mounting bolt (3) to specifications.
Standard Tightening Torque:
Nut : 25 N·m (2.5 kgf·m)
Bolt : 52 N·m (5.2 kgf·m)
IMPORTANT: When a new belt is installed, be sure to re-
adjust the tension after operating the engine for 3 to 5
minutes at slow idle speed to be sure that the new belt
is seated correctly.
Summary of Contents for 090001
Page 4: ......
Page 9: ...CONTENTS Bucket Teeth Transverse Type Pin Used Type 13 18 INDEX 14 1 ...
Page 10: ...CONTENTS MEMO ...
Page 14: ...MACHINE NUMBERS 4 MEMO ...
Page 64: ...MEMO SAFETY SIGNS S 50 ...
Page 198: ...OPERATOR S STATION 1 134 MEMO ...
Page 200: ...BREAK IN 2 2 MEMO ...
Page 212: ...OPERATING THE ENGINE 3 12 MEMO ...
Page 266: ...OPERATING THE MACHINE 5 46 MEMO ...
Page 398: ...MAINTENANCE 7 124 MEMO ...
Page 399: ...8 1 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT Hydraulic Circuit MDAA 08 001 ...
Page 402: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 404: ...STORAGE 10 2 MEMO ...