TESTING AND ADJUSTMENTS
WB97S-5
20-65
TROUBLESHOOTING
Noise while driving
CAUSES
REMEDY
Excessive backlash between pinion and ring gear
Replace
Worn out pinion and gear ring
Replace
Worn out pinion bearings
Replace
Pinion bearings loosened
Replace
Excessive pinion axial backlash
Replace
Worn out differential bearings
Replace
Differential bearings loosened
Replace
Ring gear out of roundness
Replace
Low lubricant level
Top up
Poor or wrong lubricant
Replace
Bent halfshaft
Replace
Noise while driving in neutral
CAUSES
REMEDY
Noise coming from axle are usually heard when
vehicle moves in neutral gear but are not loud.
Replace or adjust (see above)
Incorrect backlash between pinion and ring (sound
heard while decelerating disappears while
increasing the speed)
Replace
Pinion or input flange worn out
Replace
Intermittent noise
CAUSES
REMEDY
Ring gear damaged
Replace bevel gear set
Differential box bolts loosened
Tighten to torque
Constant noise
CAUSES
REMEDY
Ring gear teeth or pinion damaged
Replace bevel gear set
Worn out bearings
Replace
Pinion spline worn out
Replace
Bent halfshaft
Replace
Noise while steering
CAUSES
REMEDY
Worn out differential gears
Replace
Worn out differential box
or spider
Replace
Differential thrust washers worn out
Replace
Half shaft spline worn out
Replace
Summary of Contents for WB97S-5
Page 1: ...WEBM007500 WB97S 5 BACKHOE LOADER SERIAL NUMBER F00003 and up WB97S 5 SHOP MANUAL ...
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Page 161: ...TESTING AND ADJUSTMENTS WB97S 5 20 17 NORMAL OR STANDARD TECHNICAL DATA Fig S RKZ10830 ...
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Page 581: ...40 15 WB97S 5 STANDARD MAINTENANCE CONTROL VALVE RKZ09071 C C B B A A AE AE X View X ...
Page 589: ...40 23 WB97S 5 STANDARD MAINTENANCE CONTROL VALVE ViewX RKZ09591 C C B B A A AE AE ...
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Page 611: ...90 1 WB97S 5 90 OTHER ELECTRICAL DIAGRAM STANDARD VERSION 3 ...
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Page 616: ... 2006 KOMATSU UTILITY EUROPE S p A All Rights Reserved Printed in Europe 06 2006 ...