140 Motor Grader Power Train Caterpillar

Front Axle - Remove and Install

Usage:

140 N95

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	FT-3354	Vacuum Cap Assembly	1
B	439-3940	Bracket As	4
C	504-9791	Lift Gp (60 Hz)⁽¹⁾	1
	OR
	504-9793	Lift Gp (50 Hz)⁽²⁾	1
D	8S-7615	Pin	2
	283-1495	Stand Assembly	2
	8S-7611	Tube	2

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⁽¹⁾	High-Voltage (480V) Low-Voltage (240V)
⁽²⁾	High-Voltage (400V) Low-Voltage (200V)

Start By:

Remove the front wheels and tires.

Engage the steering frame lock. Refer to Operation and Maintenance Manual, "Steering Frame Lock".
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Illustration 1 g06409197
Install Tooling (A) onto the hydraulic tank. Attach a suitable air supply to Tooling (A) and apply 172 kPa (25 psi) of air to pull a vacuum on the hydraulic system.
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Illustration 2 g06409248
Remove 12 bolts (2) and cover (1).
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Illustration 3 g06409383
Install two of Tooling (B) and attach a suitable lifting device to push plate assembly (3). The weight of front push plate assembly (3) is approximately 408kg (900 lb). Remove eight bolts (4) and push plate assembly (3).
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Illustration 4 g06409418
Disconnect hose assemblies (7), (9), and (11). Remove the O-ring seals and position the hose assemblies out of the way.
Remove four bolts (6). Disconnect hose assembly (8), remove the O-ring seal, and position out of the way.
Remove four bolts (10). Disconnect hose assembly (5) and remove the O-ring seal.
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Illustration 5 g06409430
Remove two bolts (13), the washers, and cover plate (12).
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Illustration 6 g06409453
Disconnect harness assembly (15).
Remove bolts (17), (18), (19), and the washers. Position guard assembly (16), hose assembly (14), and hose assembly (5) out of the way.
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Illustration 7 g06409493
Remove nut (20) and washer (21). Remove strap assembly (22) and position the hose assemblies out of the way.
Repeat steps 5 through 11 for the other side of the machine.
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Illustration 8 g06409480
Remove bolt (24), the washer, and clip (25).
Disconnect hose assembly (23), remove the O-ring seal, and position out of the way.
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Illustration 9 g06409486
Disconnect hose assemblies (26) and (27), remove the O-ring seals, and position out of the way.
Remove bolt (29), the washer, and clip (28). Disconnect hose assembly (30), remove the O-ring seal, and position out of the way.
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Illustration 10 g06409683

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Illustration 11 g06409691
Lower the machine onto Tooling (D). Reposition Tooling (C) as shown in figure 11.
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Illustration 12 g06410045

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Illustration 13 g06410050
Install two of Tooling (B) and attach a suitable lifting device to front axle assembly (31). The weight of front axle assembly (31) is approximately 1588 kg (3500 lb). Repeat for the other side of the machine.
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Illustration 14 g06410057
Use Tooling (C) to raise the machine and remove Tooling (D).
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Illustration 15 g06410099
Remove two bolts (32) and plate (33).
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Illustration 16 g06410104

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Illustration 17 g06410105
Use suitable punch to remove Pin (34).
Note: Note the quantity and orientation of spacers for installation purposes.
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Illustration 18 g06410191

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Illustration 19 g06410203
Use Tooling (B) and a suitable lifting device to remove front axle assembly (31) and the spacers, and position onto suitable cribbing. The weight of front axle assembly (31) is approximately 1588 kg (3500 lb).
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Illustration 20 g06410222
Remove two seals (35) and two bearings (36).
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Illustration 21 g06410231
Remove bearing (37).