725C2 and 730C2 Articulated Truck Machine System Caterpillar

Front Frame and Rear Frame - Separate

Usage:

Separation Procedure

Show/hide table

Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	350-7768	Electric Hydraulic Pump Gp (115V)	1
	350-7769	Electric Hydraulic Pump Gp (230V)	1
	9U-7536	Lift Stand	2
B	308-3471	Repair Stand Set	1
C	140-7742	Sleeve	2
D	189-0412	Clevis	2
E	6V-6146	Load Leveling Beam	1
F	155-3597	Wheel Chock	4
G	154-6183	Forcing Bolt	2
H	439-3938	Link Bracket	1

Start By:

Remove the center drive shaft.
Remove the hitch drive shaft.

Show/hide table

At operating temperature, the hydraulic tank is hot and under pressure.
Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.

Show/hide table

NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

Engage the parking brake and use Tooling (F) to chock the wheels. Turn the battery disconnect switch to the OFF position.
Show/hide table

Illustration 1 g01184899
If installed, loosen clamps (1) and remove tube assembly (2).
Show/hide table

Illustration 2 g01184901
Disconnect six hose assemblies (4). Disconnect two harness assemblies (5) (not shown). Remove bolt (3) and position six hose assemblies (4) to the side.
Show/hide table

Illustration 3 g01184903
Position Tooling (A) under the rear frame and position Tooling (B) under the front frame. Remove clamp (6).
Show/hide table

Illustration 4 g03730801
Attach a suitable lifting device, Tooling (E), Tooling (C), and Tooling (D) to bumper (7).
Show/hide table

Illustration 5 g01184908

Typical Example
Secure a lift truck to the front of the machine.
Show/hide table

Illustration 6 g01184910
Remove bolts (10). Remove locking plate (9).
Show/hide table

Illustration 7 g01184912
Position locking plate (9) and remove thrust plate (11).
Show/hide table

Illustration 8 g01184914
Remove bolt (12) and washer (13) in order to remove shaft yoke (14) and the O-ring seal from bearing carrier (15) and the hitch drive shaft.
Show/hide table

Illustration 9 g01184948

Show/hide table

Illustration 10 g01184949
Remove bolts (17). Install Tooling (G) into the threaded holes in bearing carrier (16) in order to disconnect bearing carrier (16) from the hitch tube. Remove Tooling (G).
Attach a suitable lifting device and Tooling (H) to bearing carrier (16). The weight of bearing carrier (16) and the hitch drive shaft is approximately 56 kg (123 lb). Remove bearing carrier (16) and the hitch drive shaft.
Show/hide table

Illustration 11 g00851434

Show/hide table

Illustration 12 g01185938
Use the lift truck and the suitable lifting device in order to separate the front frame from the rear frame. The weight of the front frame is approximately 1361 kg (3000 lb). Reposition Tooling (A) under the front frame.