SWITCH AS-PUSH BUTTON 1440326 - 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).
Table 1
Specifications for Boom Line
Boom Length Cable Size (Diameter) Length
7.32 m (24 ft) 19.02 mm (.75 inch) Standard
55 m (181 ft)
7.32 m (24 ft) 19.02 mm (.75 inch) Extended
74 m (243 ft)
8.53 m (28 ft) 19.02 mm (.75 inch) Standard
62.5 m (205 ft)
8.53 m (28 ft) 19.02 mm (.75 inch) Extended
86.2 m (283 ft)
Lower the boom to the ground and support the boom. Note: The loaded force in the winch drum must be neutralized before removing the wire cable from a loaded drum.
Remove the anchor for the wire cable from the winch drum for the boom.
Unroll the wire rope cable from the spool. Never lift the wire rope off the spool in coils.
Unroll the new wire cable from the spool. Note: Weld the wire cable ends in order to prevent fraying.Note: Unroll all of the cable from the spool. Lay the wire cable on a flat surface. Never lift the wire cable off the spool in coils.
Illustration 1 g00887342
Install the cable (1) into the small slot and through the larger slot in the drum for the boom .
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 on winch drum (7). Wind the cable evenly across the drum.
Illustration 2 g03729822
(7) Winch drum
(8) Lower boom block
(9) Upper boom block
Illustration 3 g03729832
View from the front of the machine
(1) Cable
(10) Inboard