3-2. ENGINE ADJUSTMENTS (CONT).
Crankshaft must be turned clockwise only. If crankshaft is turned counterclockwise, crankshaft
screw will be loosened resulting in damage to equipment.
Two push rods operate four exhaust valves for each of eight cylinders. All 16 exhaust valve
clearance adjustments are performed the same way.
With the aid of an assistant, rotate crankshaft by turning pulley (5) clockwise until engine is on injection
stroke. Injector push rods (6) will be fully up, and exhaust push rods (7) will be down.