HEAD 3670888 - Caterpillar

Removal Procedure
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.
Disconnect the battery.
Illustration 1 g01155236
Loosen allen head screw (1). Disconnect harness assembly (2) from electronic control module (4) .
Remove nuts (3), the washers, the isolation mounts, electronic control module (4), and the ground strap.Installation Procedure
Illustration 2 g01155236
Position the isolation mounts on electronic control module (4). Position the washers, the ground strap, and electronic control module (4) on the engine and install nuts (3) .
Connect harness assembly (2) to electronic control module (4). Install allen head screw (1) and tighten to a torque of 6 1 N m (53 9 lb in).
Connect the battery.