COVER ASSEM. 5M7874 - Caterpillar

2. Remove bolts, lock and washer (1) that hold the balancer shafts in the cylinder block. 3. Remove balancer shaft (2) from the cylinder block.Install Balancer Shafts (3304)
1. Put clean engine oil on the balancer shaft. Put balancer shaft (1) in position in the cylinder block. Install washer (2), locks and bolts.2. Turn both balancer shafts until the flat part on each shaft is away from the oil pan plate. Install two 3/8"-16 NC bolts 1 1/2" long through the oil pan plate and into the holes in the balancer shafts. This will make the shafts so they will not turn. Do not tighten the bolts against the bottom of the holes in the shafts.3. Install oil pump. See INSTALL OIL PUMP.4. Remove the two 3/8"-16 NC bolts from the balancer shafts. Check to see that the balancer shaft timing is correct. The balancer shaft timing is correct when the holes in the balancer shafts are in alignment with the holes in the oil pan plate, and No. 1 piston is at the top center compression position.end by:a) install timing gear coverb) install oil pan