Gauge Installed (Typical Example) (1) 3B7722 Bushing. (2) 6V7775 Pressure Gauge. The pressure at the outlet for the water pump tells if the shunt system…

One cause for a pressure loss in the cooling system can be a devective seal on the radiator pressure cap. After the engine is cool,…

1. Check coolant level in the cooling system. 2. Look for leaks in the system. NOTE: Water pump seals. A small amount of coolant leakage…

Crankcase Oil Level Check the level of the oil in the crankcase. Add oil if needed. It is possible for the oil level to be…

Oil Leakage on Outside of Engine Check for leakage at the seals at each end of the crankshaft. Look for leakage at the oil pan…

Camshaft Lobe (A) Lobe lift. (B) Lobe height. (C) Base circle. To find lobe lift (A) of camshaft, use the procedure that follows: 1. Measurement…

Check and adjust the valve lash with engine stopped. Valve lash is measured with a thickness gauge between the top of the valve stem and…

An engine that runs rough can have a leak at the valves, or valves that need adjustment. Run the engine at the speed that gives…

The efficiency of an engine can be checked by making a comparison of the pressure in the inlet manifold with the information given in the…

9U7400 Multitach Group The 9U7400 Multitach Group is used to check the fan speed. Refer to Operator’s Manual, NEHS0605, for the operating instructions for this…