Isuzu N-Series. Manual — part 158
PROPELLER SHAFT 4A-7
5. Center Bearing Side Nut
Tighten:
Center bearing bracket bolt to 40 N
⋅m (4.1 kg⋅m / 30 lb⋅ft)
6. Differential Side Nut
Tighten:
Differential side nut to
• M10: 63 N
⋅m (6.4 kg⋅m / 46 lb⋅ft)
• M12: 103 N
⋅m (10.5 kg⋅m / 76 lb⋅ft)
Front Drive Propeller Shaft
N4A0023E
Legend
1. Differential side nut
3. Propeller shaft assembly
2. Transfer case side nut
4. Double cardan joint
N4A0024E
4A-8 PROPELLER SHAFT
Removal
Preparation:
Since the propeller shaft assembly is carefully balanced,
a setting mark should be applied to the joints, before re-
moval in to original position.
1. Differential Side Nut
2. Transfer Case Side Nut
3. Propeller Shaft Assembly
Notice:
• The double cardan joint can not be disassembled.
When it is defective, replace it as a propeller shaft
assembly.
• Be sure not to bend double cardan joint at an angle
of 25
° or more. Further, be careful removing or car-
rying the assembly not to shock the double cardan
joint.
Installation
1. Propeller Shaft Assembly
2. Transfer Case Side Nut
Tighten:
Transfer case side nut to
• M10: 62.7 N
⋅m (6.4 kg⋅m / 46.3 lb⋅ft)
3. Differential Side Nut
Tighten:
Differential side nut to
• M10: 62.7 N
⋅m (6.4 kg⋅m / 46.3 lb⋅ft)
Legend
1. Front differential
2. Setting mark
3. Double cardan joint
4. Transfer
N4A0025E
PROPELLER SHAFT 4A-9
UNIT REPAIR
Universal Joint
Legend
A. Inside Type
NHR
NKR 55
1. Grease fitting
2. Snap ring
3. Needle roller bearing
B. Outside Type
NKR 66,71,77
NPR 66,70,77
NQR 66
NPS 71
4. Spider
5. Flange yoke
N4A0026E
4A-10 PROPELLER SHAFT
Disassembly
Preparation:
Since the propeller shaft assembly is carefully balanced,
a setting mark (1) should be applied to the joints, before
disassembly.
1. Grease Fitting
2. Snap Ring
3. Needle Roller Bearing
Tap out the bearing by applying a shock to the shoulder
of the yoke, using a copper hammer.
Remove the needle roller bearings remaining in position
by tapping lightly on the spider.
Remove the remaining bearings in the similar manner.
4. Spider
5. Flange Yoke
Inspection and Repair
Make necessary correction or parts replacement if wear,
damage or any other abnormal conditions are found
through inspection.
Visual Check
Inspect following parts for wear, damage or other abnor-
mal conditions.
Notice:
When any part of the journal assembly requires replace-
ment, be sure to replace the entire assembly.
• Spider
• Needle roller bearing
• Yoke
• Flange
• Center bearing
• Cushioning rubber
• Bracket
Outside Diameter of Spider Pins
N4A0027E
mm (in.)
Standard
Limit
NHR, NKR55
18.46 (0.73)
18.36 (0.72)
NKR 66,71,77
NPR 66, 70,77
NQR66, 71,NPS 71
21.94 (0.86)
21.84 (0.8598)
NQR70, 75
NPR75
NPS75
24.00 (0.945)
23.9 (0.941)
N4A0028E
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