Dongfeng DFA1101GZ5AD6J-907. Manual — part 39

Transmission

MT-38

Propeller Shaft

PR

Table of Contents

Technical Parameter. . . . . . . . . . . . . . . . . . . . . . PR-1
Maintenance Standard . . . . . . . . . . . . . . . . . . . . . PR-1
Tightening Torque . . . . . . . . . . . . . . . . . . . . . . .. PR-1
Trouble Analysis. . . . . . . . . . . . . . . . . . . . . . . . PR-1
Propeller Shaft . . . . . . . . . . . . . . . . . . . . . . . . PR-2
Intermediate Propeller and Center Bearing . . . . . . . . . . . . . PR-3
Propeller Shaft Maintenance . . . . . . . . . . . . . . . . . . .. PR-3

Propeller Shaft

PR-1

Propeller Shaft

Technical Parameter

Maintenance Standard

Unit:

mm

Tightening Torque

Unit:

N.m

Trouble Analysis

Type

Open type, tubular propeller shaft, two segments. The front

segment is midship shaft with bearing, the rear is double uni-

versal joints with flange inner slide

Universal joint type

Spider type

Center bearing

Slide a little along lengthways in the center bearing seat

Universal joint max oscillatory angle

±

20°

Max spline slippage (mm)

54

Item

Standard dimension

Service limit

Remark

Radial motion of propeller shaft

0

~

0.75

1.5

Slip spline backlash

0.025

~

0.115

0.4

Clearance of universal joint and needle bear-
ing

-

0.1

Axial clearance of center bearing

-

0.5

Center bearing bearing seat inside hole sur-
face worn

-

0.05

ItemItem

Tightening Torque

Propeller shaft flange fork connecting nut

90

~

110

Center bearing locking bolt and nut

901

~

10

Trouble

Cause

Method

Abnormal vibration in the
running

Connecting bolts on the propeller shaft loosely Tighten bolts or nuts

Propeller shaft vibration

Propeller shaft has not been reassembled in
accordance with the mark on it
Propeller shaft tube is bent
Renewed major components without dynamic
balance
Center bearing rubber washer slacken or failed

Reassemble it in accordance
with the mark
Check or renew
Dynamic balance correct

Tighten or replace

Universal joint or slip yoke
worn out early

Oil seal failed
Not fill grease regularly or not fill enough oil

Replace
Fill with enough lubricating
grease periodically

Propeller Shaft

PR-2

Propeller Shaft

Structure

1.Flange fork
2.Bolt
3.Cross shaft needle bearing assy
4.Dust collar
5.Cross shaft

6.Grease nipple
7.Snap ring for holes
8.Slip york assy
9.Grease fitting
10.Slip york oil seal

11.Oil seal spacer
12.Oil seal cover
13.Propeller shaft assy