WIRE AS 3920649 - Caterpillar

Illustration 1 g01148843
(1) Bracket in straight configuration (2) Setscrew for straight configuration (3) Bracket in bent configuration (4) Setscrew for bent configuration
Install the bracket onto the boom nose. Align the bracket for the proper configuration. The bracket can be rotated for the different configurations.
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Start the engine. Move the machine forward in order to align the boom nose with the boom foot.
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Raise the boom foot. Engage the hooks on the boom foot with the pin on the boom nose. Raise the boom until the boom foot contacts the stop screw on the boom nose.
Personal injury or death can result from lifting a heavy component.The heavy component can fall if using an incorrect hoist and/or sling or fastener to lift the load.Be sure the hoist and other devices have the correct lifting capacity to lift a heavy component. The approximate weight of the heavy component is given below.
Note: The expandable pin assembly weighs approximately 72 kg (159 lb). Use a 1U-8221 Lifting Sling as a choke on the pin. Attach the lifting sling to a hoist. Use the hoist and the lifting sling for supporting and maneuvering the pin.
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(5) Bolt (6) Sleeve (7) Pin (8) Release Bolt (9) Washer (10) Bolt
Grease the sleeves for the pins with 5P-0960 Molybdenum Grease. Also grease the ends of the bolts and the expandable pin with 5P-0960 Molybdenum Grease .
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(5) Bolt (6) Sleeve (7) Pin (9) Washer (10) Bolt (11) Boom nose (12) Boom Foot
Install the expandable pin into the bore of the boom. Center the expandable pin with the width of the structure.
Mount the sleeves (6) inside the bores of the boom nose (11). On each face of each sleeve, tighten washer (9) with four bolts (5). There must be a space between the washer and the boom nose.
Repeat Step 6 on the opposite side of the pin.
Tighten expandable pin (7) on washer (9) with bolt (10) .
Repeat Step 8 on the opposite side of the pin.
Tighten each bolt (10) to the correct torque.
Table 1
Bolt Size
Metric     Recommended Torque    
M36    
700 70 N m (515 50 lb ft)    
Illustration 6 g00888380
(13) Ball valves (14) Quick connectors (15) AUX Port (16) RET Port (17) DR Port (18) AUX Port (19) Pi FLCV Port (20) Pi SLCV Port
Remove the caps and the plugs from the hydraulic fittings.
Install the bolts, clamps, and the hydraulic hoses for the ball valves (13) .
Connect the quick connectors (14) .
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(21) Lever
Connect the pilot lines by lowering lever (21). Do not connect a line to Port Pi FLCV (19) .
Start the engine. Check for leaks. Repair any leaks before operating the machine.
Operate the machine for one hour. Check the tightness of the bolts (10). If