SHEET ASSEM. 5V3807 - Caterpillar

1. Remove the two bolts and clamps that hold the tachometer drive in position on the rear of the governor housing.2. Remove tachometer drive (1) and coupling (3) from the governor housing. Remove O-ring seal (2) from the tachometer drive if necessary.3. Install O-ring seal (2) on the service meter, and put coupling (3) in position as shown.4. Put tachometer drive (1) in position so the coupling engages with the governor. Install the two bolts and clamps that hold the tachometer drive to the governor housing. Tighten the bolts to a torque of 10.9 2.8 N m (96 24 lb.in.).