725C2 and 730C2 Articulated Truck Machine System Caterpillar

Removal Procedure

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Personal injury or death can result from improper lifting or blocking. When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component. Approximate weights of the components are shown. Clean all surfaces where parts are to be installed.

Start By:

1. Remove the center axle stabilizer rod.

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Illustration 1	g06133880

1. Remove bolts (1) and clamps (2).
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   Illustration 2	g06133882
   Typical Example

2. Attach Tooling (A) to the rear section of center suspension frame (3) on each side of the machine, as shown. The weight of center suspension frame (3) is approximately 153 kg (338 lb).
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   Illustration 3	g06133883
   Typical Example

3. Use a suitable bar and clevis to support Tooling (A). Attach Tooling (A) to the center suspension frame (3) as shown in Illustration 3. The weight of center suspension frame (3) is approximately 153 kg (338 lb).
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   Illustration 4	g06133885

4. Disconnect hose assembly (4).

5. Remove nut (5), washer (6), and bolt (7).
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   Illustration 5	g06133886

6. Remove pin (8).
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   Illustration 6	g06133887

7. Use two people to remove bracket (11). The weight of bracket (11) is approximately 24 kg (53 lb).

8. Remove bolts (9) and bracket (11) from center axle (10).
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   Illustration 7	g06133890

9. Remove bolts (12) from center axle (10).

10. Use Tooling (A) to lower the center suspension frame to the ground. Lower and remove the center suspension frame from the center axle.
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    Illustration 8	g06133894

11. Remove bolts (13) and clamp ring (14).
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    Illustration 9	g06133898

12. Use Tooling (B) to remove bearing (15). Remove bearing (15).

Installation Procedure

1. Install center suspension frame (3) in the reverse order of removal.

   1. Tighten bolts (12) and (9) to a torque of 900 ± 100 N·m (664 ± 74 lb ft).