3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS Caterpillar

START BY:

a. remove valve cover (earlier or later)

1. Remove bolts (1) from rocker shaft assembly (2), and remove the rocker shaft assembly from the head.

2. Remove push rods (3).

Install Rocker Shaft Assembly And Push Rods

1. Install push rods (1) in their original location in the engine. New push rods can be mixed.

2. Put rocker shaft assembly (2) in position on the head. Install the bolts that hold the rocker shaft assembly in position.

3. Make an adjustment until the intake valve clearance is 0.38 mm (.015 in.) and the exhaust valve clearance is 0.64 mm (.025 in.). Tighten nuts (3) to a torque of 32.5 ± 6.8 N·m (24 ± 5 lb.ft.).

END BY:

a. install valve cover (earlier or later)