794 AC Off-Highway Truck Field Assembly Caterpillar

Parts and Specification Information

Illustration 1	g03842900

Note: Verify that all parts are shipped and undamaged for preparation of assembly. Missing or damaged parts can be ordered prior to assembly to avoid delays during assembly.

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Observe the safe working load limits of all lifting and blocking devices and keep a safe distance from suspended/blocked loads. Personnel may be seriously injured or killed by falling loads.

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Personal injury or death can occur from heavy components falling during removal or installation. Properly support the component with a suitable lifting device during removal or installation.

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Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting" topic for safety information.

Installation Procedure

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Illustration 2	g03840389
A view of the right front platform lift eye

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Illustration 3	g03840396
A view of the left front platform lift eye.

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Illustration 4	g03841277
A view of the right rear platform lift eye.

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Illustration 5	g03841302
A view of the left rear platform lift eye.

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Illustration 6	g03842996
A view of the platform being lifted

1. Use two suitable cranes to lift the platform at the four lifting points indicated in Illustrations 2, 3, 4, and 5. Use a suitable strap to secure the front platform extension during the lift. The platform weighs approximately 14515 kg (32000 lb).
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   Illustration 7	g03843013
   View of the underside of the platform

2. Slowly position the platform so that the saddle mounts are centered on the tube. Ensure that the front face mounting holes line up with the vertical support beams. Refer to Illustration 7.
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   Illustration 8	g03843077
   View of the underside of the platform

3. Use a suitable lifting device to position the two 431-7965 Links in the mounting point.

4. Install one bolt (1), one pin (2), one pin retainer (3), and one nut (4) on the lower mounting point of each link.

5. Install four cap assemblies (5) onto the saddle mounts, and install 24 bolts (6) and 24 hard washers (7).

   Note: Cap assemblies (5) will deform when the bolts (6) are tightened. If the platform is ever removed, cap assemblies (5) may not be reused.

6. Secure the platform to the two vertical beams using four bolts (8), six hard washers (9), and two nuts (10) on each beam.
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   Illustration 9	g03843518
   View of the platform and radiator

7. Install two 475-8932 Braces (A) between the radiator and the platform using retained hardware from Disassembly and Assembly, UENR1145, "Lifting Gp - Install".

8. Adjust the overall length of braces (A) to keep the radiator vertical.