Service Repair Manual
Models
120M Motor Grader
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Product: MOTOR GRADER
Model: 120M MOTOR GRADER B9N
Configuration: 120M Motor Grader B9N00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
12M and 120M Motor Graders Power Train
Media Number -KENR6419-08
Publication Date -01/05/2017
Date Updated -15/05/2017
i03096382
Rear Axle, Differential and Final Drive - Disassemble
SMCS - 3258-015; 3278-015; 3282-015-RE; 4050-015; 4068-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description Qty
A
138-7575
Link Bracket
4
B
140-7742
Sleeve
2
C
1U-9200
Lever Puller Hoist
1
D
154-6182
Forcing Bolt
3
E
138-7574
Link Bracket
2
F
8B-7551
Bearing Puller Gp
1
1P-5546
Crossarm
1
3H-0465
Push-Puller Plate
2
5F-7366
Forcing Screw
1
G
292-4949
Socket Wrench As
1
H
154-6183
Forcing Bolt
3
J
1U-6405
Three Jaw Puller
1
Start By:
a. Remove the rear axle, differential, and final drive. Refer to Disassembly and Assembly,
"Rear Axle, Differential, and Final Drive - Remove".
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2020/4/28
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NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Inspect the O-ring seals. Replace the O-ring seals that are worn or damaged.
Illustration 1
g01413868
1. Use Tooling (A), Tooling (B), and two suitable lifting devices in order to position rear axle,
differential, and final drive (1) onto suitable blocking. The weight of rear axle, differential,
and final drive (1) is approximately 1089 kg (2400 lb).
Illustration 2
g01418559
2. Remove bolts (3), retainer (4), shims (5), sprocket (2), and sprocket (6).
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120M Motor Grader B9N00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP...
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Note: Note the quantity and the order of shims (5).
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