Engine JAC HFC4DA1-2C. Manual — part 146
TR
TR
TR
TR Transmission
Transmission
Transmission
Transmission Shaft
Shaft
Shaft
Shaft
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Introduction
Transmission shaft is a kind of device that is applied to joint transmission and rear axle together and to transmit power
from transmission to rear axle. Transmission shaft, made of hollow steel tube, is equipped with intermediate support to
reduce resonance during power transmission. Transmission shaft adopts constant velocity universal joints that are
maintainable. Balance weights are equipped for transmission shaft in order to ensure stable power transmission.
TR
TR
TR
TR Transmission
Transmission
Transmission
Transmission Shaft
Shaft
Shaft
Shaft
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Inspection
Inspection
Inspection
Inspection and
and
and
and Confirmation:
Confirmation:
Confirmation:
Confirmation:
1.
Inspection of flange
Check flange between transmission and transmission shaft. Check flange screw hole for any deformation or
crack. Check flange internal spline for tooth looseness, missing or damage. If there are more than two teeth is
damaged, please replace the flange assembly.
2.
Maintenance and repair of universal joint
Maintenance of universal joint: Use grease nipple that is aligned to the oil filler of universal joint to add grease
until clean grease is extruded out.
Repair of universal joint: Remove universal joint and rotate it to check for any sticking, obvious clearance,
deformation or fracture. Replace the universal joint accordingly.
3.
Inspection of intermediate support
Inspection of intermediate support: Use crow bar to pry up the rubber part of intermediate support and check
rubber part for any wear, deformation or crack. Hold and shake the transmission shaft by hand to check for
excessive clearance of intermediate support. If any, please replace the support.
TR
TR
TR
TR Transmission
Transmission
Transmission
Transmission Shaft
Shaft
Shaft
Shaft
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Fault
Fault
Fault
Fault Diagnosis
Diagnosis
Diagnosis
Diagnosis Procedures
Procedures
Procedures
Procedures for
for
for
for Transmission
Transmission
Transmission
Transmission Shaft
Shaft
Shaft
Shaft
Vibration
Check radial runout
of shaft
Normal
Abnormal
Check shaft balance
Replace
Normal
Unbalance
Adjust
Check rear housing bush of
transmission
Normal
Worn
Replace
Check universal joint sliding york
spline shaft
Normal
Stuck
Replace
TR
TR
TR
TR Transmission
Transmission
Transmission
Transmission Shaft
Shaft
Shaft
Shaft
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Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation
Transmission
Transmission
Transmission
Transmission shaft
shaft
shaft
shaft
1.
Lift the vehicle.
Note:
Note:
Note:
Note:
Mark properly in pair on transmission shaft front
flange and transmission flange.
2.
Remove transmission shaft front flange from
transmission flange.
3.
Loosen transmission shaft intermediate bearing.
4.
Remove transmission shaft rear flange from rear
axle flange.
�
Mark properly in pair on transmission shaft
rear flange and rear axle flange.
�
Remove
four
mounting
bolts
from
transmission shaft.
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