5-37
Thrust wheels, supporting wheels and guide wheels
1. Check the tightening torque of the thrust wheels
The first inspection after working for 50 hours and then
every 500 hours.
The tightening torque of bolt
①
shall be 110N·m.
If the bolts loose, unscrew the bolts, remove the thread
locking agent between the bolt threads, and then apply
the thread locking agent to the threaded joints and tighten
them as per the specified torque.
If the bolts must be replaced, they shall be replaced with
bolts of the same specification and strength class.
1. Thrust wheel bolt
2. Guide wheel stop pin
Summary of Contents for U27
Page 1: ...U27Hydraulic Excavator Instruction Manual Guangxi Yuchai Heavy Industry Co Ltd...
Page 5: ...1 1 Preface...
Page 17: ...2 1 Safety regulations...
Page 44: ...3 1 Parts introduction...
Page 49: ...3 6 Panel meter Oil level pointer Timing display Water temperature pointer Indicator area...
Page 55: ...4 1 Operation guide...
Page 89: ...5 1 Maintenance...
Page 130: ...6 1 Accessories guide...