
MAINTENANCE
7-74
Check Drive Belt
--- every 10 hours (daily)
Adjust, Replace --- as necessary
Press the center of the belt with a hand, and check whether
the belt deflects only slightly.
Also, check the belt for a damage.
Measurement of Deflection Amount and Vibration
Frequency
1. Press the middle of the belt with a force of 98 N (approx.
10 kgf, 22 lbf), and check whether the amount of
deflection is within the following range.
Fan belt deflection value: 6~8 mm (0.2~0.3 in)
2. When the value is not within the range, adjust the
tension.
3. Check the belt for a damage such as a scratch and crack.
4. When the belt adjusting allowance is no longer available,
when crack, damage or abnormal wear is found, or
when the belt squeaks during driving even after the belt
tension has been adjusted, replace the belt.
Adjusting Drive Belt
1. Loosen idler pulley's lock nut (1).
Lock nut (1): 137~157 N·m (14~16 kgf·m, 101~116 lbf·ft)
2. Turn the generator and idler pulley adjusting bolts (2, 3)
to adjust the belt tension to be within the standard value
range.
3. After the adjustment, firmly tighten loosened lock nut (1)
to the specified torque.
Generator
95Z7-7-68-1
95Z7-7-68-2
Summary of Contents for ZW 550-6
Page 4: ......
Page 10: ...CONTENTS SPECIFICATIONS 12 1 Specifications 12 1 Intended Use 12 1 INDEX 14 1 ...
Page 12: ...MACHINE NUMBERS 2 Aftertreatment Device SCR TYPE MFG NO DOC TYPE MFG NO 95Z7B SCR4 95Z7B SCR4 ...
Page 54: ...SAFETY LABELS S 42 2 25 7 4 1 26 1 8 9 5 6 11 12 10 24 115Z7B S 42US ...
Page 148: ...OPERATOR S STATION 1 84 MEMO ...
Page 208: ...OPERATOR S STATION 1 144 MEMO ...
Page 210: ...BREAK IN 2 2 MEMO ...
Page 226: ...OPERATING THE ENGINE 3 16 MEMO ...
Page 274: ...OPERATING THE MACHINE 5 28 MEMO ...
Page 354: ...MAINTENANCE 7 70 MEMO ...
Page 418: ...9 4 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ...
Page 422: ...10 4 STORAGE MEMO ...
Page 428: ...11 6 TROUBLESHOOTING MEMO ...
Page 430: ...SPECIFICATIONS 12 2 MEMO ...
Page 438: ...INDEX 14 8 ZW550 6 US MEMO ...