Dongfeng DFA1101GZ5AD6J-907. Manual — part 38
Transmission
MT-34
3.Install the reverse gear shaft assembly, and then install
the locking spacer on the shaft;
Tightening torque: 20~26N.m
4.Measure the end clearance and backlash of the reverse
gear, and you should assure the observed value among
the repair standard;
End clearance: repair standard: 0.3~0.6mm
Backlash: repair standard: 0.15~0.25mm
5.Install the mainshaft assembly;
6.Install the countershaft rear bearing cover and gasket;
Tightening torque: 59~79N.m
7.Install the flexible joint, oil seal and the driven gear of
the speedometer;
Transmission
MT-35
8.Install the ball bearing, spacer sleeve, speedometer
drive gear, gasket and bearing seat in sequence;
Tightening torque:
M12 59~79N.m
M14 93~124N.m
9.Install the 5th and 6th speed gear synchronizer baulk
ring;
10.Press to install the ball bearing onto the drive gear
shaft, and then assemble the elastic ring;
11.Assemble the drive gear shaft assembly;
Transmission
MT-36
12.Assemble the bearing cover assembly;
Tightening torque: 33~44N.m
Note:
You must assure the oil hole of the bearing cover
align to the hole of the transmission housing.
13.Measure the end clearance of the 1st speed gear
(clearance between 1st speed gear and its thrust
spacer) and make it among the repair standard;
Repair standard: 0.3~0.5mm
14.Measure the backlash of every gear.
Repair standard: 0.15~0.25mm
Transmission accessories
1.Install the propeller shaft connecting flange;
Tightening torque: 340~560N.m
Note:
When tightening the locking nut, first engaged the
gear; after tightening, set to the neutral position.
2.Install the power take-off hole cover and sealing shim;
Tightening torque: 47~63N.m
3.Install the sealing shim and the transmission upper
cover assembly;
Tightening torque: 33~44N.m
4.Install the clutch housing assembly.
Tightening torque: 145~190N.m
Transmission
MT-37
Transmission Mount
Before assemble gearbox onto truck, make sure that the corresponding parts is tightened.
1.Install transmission and bracket as a assembly into truck with transmission jack and steel wire, make sure that
drive gear shaft spline align to the clutch driven disc hub spline.
2.Install clutch booster or clutch slave cylinder, return spring and dowel pin. Adjust free running for clutch outer
pull rod.
Free running for clutch outer pull rod 2~3mm
3.Install transmission operating lever.
4.Install propeller shaft and center bearing.
Propeller shaft tightening torque 215~245N·m
Center bearing tightening torque 160~220N·m
5.Connect all the lines and tubes;
6.Made sure that drain plug screw is tightened, and add some gear oil, then tighten plug screw of oil filler.
Tightening torque: 120~140N.m
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