725C2 and 730C2 Articulated Truck Machine System Caterpillar

Front Frame and Rear Frame - Connect

Usage:

Connection Procedure

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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
H	439-3938	Link Bracket	1
J	7X-7699	Grease	-
K	5P-0960	Grease Cartridge	1
L	5P-3931	Anti-Seize Compound	-

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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.

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Illustration 1	g03730801

Attach a suitable lifting device, Tooling (E), Tooling (C), and Tooling (D) to bumper (7).
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Illustration 2 g01184908

Typical Example
Secure a lift truck to the front of the machine.
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Illustration 3 g00851434

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Illustration 4 g01185938
Apply Tooling (J) to the tube of the oscillating hitch. Use the lift truck and the suitable lifting device in order to position the front frame to the rear frame and install the oscillating hitch to the rear frame. The weight of the front frame is approximately 1361 kg (3000 lb). Reposition Tooling (A) under the front frame.
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Illustration 5 g01184949

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Illustration 6 g01186012
Attach a suitable lifting device and Tooling (H) to bearing carrier (16) and the hitch drive shaft and position bearing carrier (16) and the hitch drive shaft. The weight of bearing carrier (16) and the hitch drive shaft is approximately 56 kg (123 lb).
Install bolts (17) to bearing carrier (16). Tighten bolts (17) to a torque of 100 ± 20 N·m (74 ± 15 lb ft). Remove Tooling (H).
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Illustration 7 g01184914
Apply Tooling (K) to the splines of the hitch drive shaft. Position shaft yoke (14) and the O-ring seal to bearing carrier (15) and the hitch drive shaft. Install bolt (12) and washer (13). Tighten bolt (12) to a torque of 100 ± 20 N·m (74 ± 15 lb ft).
Note: The shaft yoke on the front and on the rear of the hitch shaft must be in alignment or a vibration may occur at high speeds.
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Illustration 8 g01184912
Apply Tooling (L) to the threads of thrust plate (11). Position locking plate (9) and install thrust plate (11). Refer to Operation and Maintenance Manual, "Oscillating Hitch - Adjust".
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Illustration 9 g01184910
Position locking plate (9) and install bolts (10). Tighten bolts (10) to a torque of 100 ± 20 N·m (74 ± 15 lb ft).
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Illustration 10 g01184903
Install clamp (6). Remove Tooling (A) and Tooling (B).
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Illustration 11 g01184901
Connect six hose assemblies (4). Install bolt (3). Connect two harness assemblies (5) (not shown).
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Illustration 12 g01184899
If installed, position tube assembly (2) and tighten clamps (1).
Remove Tooling (F) from the wheels and disengage the parking brake. Turn the battery disconnect switch to the ON position.