GENERATOR AR 1640966 - Caterpillar

Do not operate or work on this machine 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 your Caterpillar dealer for replacement manuals. Proper care is your responsibility.
Personal injury or death can result from improper assembly procedures.Do not attempt any assembly until you have read and understand the assembly instructions.
Accidental engine starting can cause injury or death to personnel working on the equipment.To avoid accidental engine starting, disconnect the battery cable from the negative (−) battery terminal. Completely tape all metal surfaces of the disconnected battery cable end in order to prevent contact with other metal surfaces which could activate the engine electrical system.Place a Do Not Operate tag at the Start/Stop switch location to inform personnel that the equipment is being worked on.
Required Parts
Table 1 represents the required part list to install the socket setscrew.
Table 1
Qty Part Number Description
1 010-2591 Socket Setscrew
1 - Torque screw driver
1 - Torque wrench Installation Procedure
Illustration 1 g06129865
Location of the screw in the shift lever
(A) Set Screw
Perform the following procedure to ensure that the correct screw preparation, installation and tightening procedures are used to fasten the handle on the shaft:Note: Torque screw driver or a torque wrench with T20 Torx bit is the recommended tool to use for tightening the socket setscrews. A regular T20 Torx driver tool can be used if a torque screw driver is not available.
Illustration 2 g06129883
Remove the Screw (A) with T20 Torx bit driver.
Illustration 3 g03796055
Apply adequate amount of Loctite 425 on the entire length of thread on the screw.
Illustration 4 g03796056
With a paper towel, touch the end of the screw to remove excess compound of Loctite. Refer to Illustration 4.
Illustration 5 g03796057
Using a torque screw driver or a T20 Torx bit driver, tighten the screw back on the shift handle assembly with a torque of 10 1 N m (89 9 lb in).
Illustration 6 g06129899
Illustration 7 g06130497
(1) 010-2591 Socket Setscrew
Install 010-2591 Socket Setscrew (1) using the hexagonal socket and ensure that the set screw is square with the plane of the shift handle. Apply firm pressure and thread the set screw into the hole.
The set screw will act as a self-taping screw and create its own threads onto the shift handle.
Illustration 8 g06129928
Tighten until the set screw touches the existing screw. This will be noticed by a very slight increase in resistance.
Remove the set screw. Apply adequate amount of Loctite 425 on the threads of the set screw.
Reinstall the set screw and tighten until the set screw touches the existing screw. Wipe off any excess compound of Loctite.