propeller shaft ISUZU TF SERIES 2004 User Guide

PROPELLER SHAFT 4A-11
Removal and Installation

401RS023
Removal
1. Raise the vehicle on a hoist.
NOTE:
Apply alignment marks on the flange at the rear
propeller shaft both front and rear side.


2. Remove center bearing fixing bolt.
3. Remove rear axle side bolt, nut and washer.
4. Remove rear propeller shaft.

NOTE:
Plug the hole of the transmission rear end to prevent oil
leakage.

401L100007
Installation
NOTE:
Cover the slip yoke with cloth to avoid damage to the oil seal
contact surface, when removing propeller shaft from
transmission. Do not damage the oil seal contact surface of
slip yoke with other parts at removal and installation.
Completely remove the dust or foreign matter from the
connecting surface of flange coupling on each end of the
propeller shaft.

1.
Align the mark which is applied at removal and insert the
propeller shaft in the transmission.
2. Install rear propeller shaft and tighten the bolts to the
specified torque.
Torque: 63 N




m(6.4kg




m/46 lb




ft)
3. Install center bearing and tighten the bolts to the specified
torque.
Torque: 69 N





m(7.0kg





m/51 lb





ft)

4A-12 PROPELLER SHAFT
Universal Joint Disassembly
401R300002

Legend
(1). Snap Ring
(2). Needle Roller Bearing
(3). Spider
(4). Propeller Shaft

PROPELLER SHAFT 4A-13

401R300003



1. Remove the snaprings.


Apply alignment marks on the yokes of the universal
joint.


401R300004


2. Remove the needle roller bearings.

Tap out the bearing by gently striking the shoulder of the
yoke, using a mallet or a copper hammer.

3. Remove the spider.

Make sure of proper position for reinstallation b
y
applying setting marks.
4. Remove the propeller shaft.

4A-14 PROPELLER SHAFT
INSPECTION AND REPAIR
Make all necessary adjustment, repairs, and part replacements if wear, damage, or other problems are discovered
during inspection.





Visual Check
Inspect following parts for wear, damage, or other abnormal
conditions.
Spider
Needle roller bearing
Yoke
Flange
Center bearing
Cushioning rubber
Bracket

401RS007


Outside Diameter of Spider Pins
mm(in)

Standard Limit
17 (0.67) 16.99 (0.669)

PROPELLER SHAFT 4A-15

Propeller Shaft Run-Out


401R300005




Support 1 of splined yoke, 2 of center bearing and 3 of flange
yoke and check for static run-out by holding the probe of a dial
indicator in contact with the center part of the shaft and turning
the propeller shaft.
If the amount of run-out is beyond the limit value, correct with a
bench press or replace the shaft with a new one.
mm(in)

Limit
1.0 (0.04)

401R300008


Play in Spider Bearing
(1) Check the spider bearings for wear or damage.
(2) Check the amount of axial and radial play in spider bearing
by moving the yoke back and forth on the spider axes and
shaft axis.
mm(in)

Limit 0.1(0.004)
If the limit is exceeded, replace the shaft assembly.

4A-16 PROPELLER SHAFT
401RS011







Universal Joint Reassembly
1. Set the propeller shafts.

Be sure to set the propeller shaft yoke by aligning the
setting marks made during dissassembly.
2. Spider
 Be sure to install the spider by aligning the setting marks
made during disassembly.
3. Needle Roller Bearing
1) Apply a molybdenum-disulfide grease or a multi-purpose.
type grease NLGI No.2 to inside of the bearing cap.
Grease Amount g(oz)
Approx. 1.2 (0.042)

401RS012









2) Using either a mallet (or copper hammer) or a press, install
the needle roller bearing into the yoke so that snap ring can
be installed in its groove.

CAUTION:

  The needle roller bearing cannot be installed smoothly
if it is set at an incorrect angle with the flange.

  Excessive hammering will damage the needle rolle
r
bearing.

401R300003








3) Align setting marks and join the yokes.
NOTE:
Assemble the spider and spline yoke so that their grease
fittings are arranged on the same side.(4

4)
4. Snap ring
NOTE:
Discard used snap rings and install new ones.

When the bearing cap is in position, select and attach a snap
ring of suitable thickness so that the end play of the spider pin
is held within 0.1mm (0.004in).
mm(in)

Snap ring thickness Identification color
1.50 (0.059) Light Blue
1.53 (0.060) White
1.56 (0.061) Pink
1.59 (0.063) Yellow
1.62 (0.064) Green
1.65 (0.065) Brown
1.68 (0.066) Not colored
NOTE:
Be sure to use snap rings of the same thickness on both sides.

PROPELLER SHAFT 4A-17
Rear Propeller Shaft Assembly
401R300009

Legend
(1). Splined Yoke
(2). Journal Assembly
(3). 1st Tube Assembly
(4). Center Bearing
(5). Plain Washer


(6). Center Yoke
(7). Lock Nut
(8). 2nd Tube Assembly
(9). Flange Yoke
(10). Snap Ring

4A-18 PROPELLER SHAFT
Disassembly
1. Disassembly the three portions of the journal assemblies.
2. Remove the splined yoke, the 1st tube assembly with cente
r
bearing, the 2nd tube assembly and the flange yoke.
3. Remove the lock nut.
4. Remove the center yoke, the plain washer the cente
r
bearing and the 1st tube assembly.







Reassembly
1. Install the center bearing on the 1st tube assembly.
Clean the bearing fitting face.
Repack the grease.

Amount of grease
required g(oz) Approx. 12 (0.42)




2. Install the plain washer and the center yoke.
3. Install the lock nut and tighten it to the specified torque.
Lock nut Torque : 118 N




m (12.0kg




m/87lb




ft)
(1) Discard the flange nut and install a new one.
(2) Stake the outer face of the flange nut against the slot in the
shaft.
4. Install the splined yoke, the 1st tube assembly with cente
r
bearing, the 2nd tube assembly and the flange yoke by
assembling the universal joint.

PROPELLER SHAFT 4A-19
Front Propeller Shaft

Removal and Installation



RTW34AMF000301

Legend
(1) Bolt, Nut and Washer (Front Axle Side)
(2) Front Propeller Shaft
(3) Nut and Washer (Transfer Side)


401RS020
Removal
1. Jack up the vehicle and support it on the chassis stands.
2. Gear shift lever should be placed in neutral position and
parking brake released.
3. Remove the exhaust and transfer protectors.
NOTE:
Apply alignment marks on the flange at the front propeller shaft
both front and rear side.
4. Remove bolt, nut and washer (Front axle side).
5. Remove bolt, nut and washer (Transfer side).
6. Remove front propeller shaft.

4A-20 PROPELLER SHAFT

Installation
NOTE:
Never install the shaft assembly backwards. Completel
y
remove the black paint from the connecting surface of flange
coupling on each end of propeller shaft. Clean so that no
foreign matter will be caught in between.
1.
Align the mark which was applied at removal. Install front
propeller shaft and tighten the bolts and nuts to the
specified torque.
Torque: 59 N




m (6.0 kg




m/43 lb ft)
2. Install the exhaust and transfer protectors.
401RS019

3. After installing the propeller shaft, be sure to apply black
paint (1) to exposed area (other than connecting surface) o
f
the entire surface of flange coupling.