SADDLE 1U6054 - Caterpillar

Do not operate or work on this equipment unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Cat dealer for replacement manuals. Proper care is your responsibility.
Do not use a wire rope cable that is kinked, frayed or has worn spots.Wear gloves when handling the wire rope cable.
The wire rope shall be 6 X 25 filler wire construction, preformed; right Lang lay, with an Independent Wire Rope Core (IWRC). The wire rope should have a minimum breaking strength of 261.55 kN (58800 lb).
Procedure for Model PL83 Pipelayer
Table 1
Specifications (WIRE ROPE)
Boom Length Cable Size (Diameter) Cable Length
7.32 m (24 ft) 19.02 mm (.75 inch) 74 m (243 ft)
8.53 m (28 ft) 19.02 mm (.75 inch) 86.2 m (283 ft) Weld the ends of the cable in order to prevent fraying.
Lower the boom to the horizontal position.
Unwind the cable.
Disconnect the cable from the load drum. Note: Unroll all of the cable from the spool. Lay the wire rope on a flat surface. Never lift the wire rope off the spool in coils.
Illustration 1 g00887342
Winch drum (7) for the hook load line is located below the winch drum for the boom.
Install the cable (1) into the small slot and through the larger slot in the winch drum for the hook load line.
Make sure that 2 to 4 threads of capscrew (2) are engaged into cable anchor assembly (4). Start with the capscrew and insert the cable anchor assembly into the longer slot as far as allowed.
Make sure that the lip of retainer (3) faces the top edge (5) of the small slot in order to hold the retainer in place. Make a loop with the cable end and insert the cable end into the slot past the cable anchor assembly.
Pull the cable until the cable and anchor assembly are securely seated inside the slot. Tighten the capscrew to a torque (6) of 44 3 N m (32 2 lb ft).
Wind one half of the cable evenly across load winch drum (7).
Illustration 2 g03730211
(7) Load winch drum
(8) Load block
(9) Fairlead sheave
(10) Hook block
Illustration 3 g03730225
Load block and hook block on model PL83 Pipelayer
(1) Cable
(11) Clamp
(12) Wedge
(13) Rear sheave of load block
(14) Middle sheave of load block
(15) Front sheave of load block
(16) Front sheave of hook block
(17) Middle sheave of hook block
(18) Rear sheave of hook block
Install the hook load line from the load winch drum onto the sheave blocks in the following manner:
Route cable (1) from load winch drum (7) under fairlead sheave (9).
Route cable to front sheave of load block (15). Install the cable around the sheave from the inboard side.
Route cable to front sheave of hook block (16). Install the cable around the sheave from the outboard side.
Route cable to middle sheave of load block (14). Install the cable around the sheave from the inboard side.
Route cable to middle sheave of hook block