Caterpillar Generator С27

Warning: Personal injury can result from hot coolant, steam and alkali. At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.

Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.

Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Dispose of all fluids according to local regulations and mandates.

Cooling system pressure cap is cool enough to touch with your bare hand?

Suitable containers prepared to collect the fluid?

Cooling system filler cap loosened slowly to relieve pressure?

Only qualified service personnel should perform this maintenance. Refer to the Service Manual or your Caterpillar dealer for the complete valve lash adjustment procedure.

WARNING: Ensure that the engine can not be started while this maintenance is being performed. To help prevent possible injury, do not use the starting motor to turn the flywheel.

Hot engine components can cause burns. Allow additional time for the engine to cool before measuring/adjusting valve lash clearance.

Engine Valve Lash - Inspect/Adjust

The following components should be inspected and adjusted when the valves are inspected and adjusted.

Valve actuators - Inspect/Adjust

Compression brakes - Inspect/Adjust

WARNING: Batteries give off combustible gases which can explode. A spark can cause the combustible gases to ignite. This can result in severe personal injury or death.

Ensure proper ventilation for batteries that are in an enclosure. Follow the proper procedures in order to help prevent electrical arcs and/or sparks near batteries. Do not smoke when batteries are serviced.

Turn the key start switch to the OFF position. Remove the key and all electrical loads.

Turn OFF the battery charger. Disconnect the charger.

The NEGATIVE “-” cable connects the NEGATIVE “-” battery terminal to the ground plane. Disconnect the cable from the NEGATIVE “-” battery terminal.

The POSITIVE “+” cable connects the POSITIVE “+” battery terminal to the starting motor. Disconnect the cable from the POSITIVE “+” battery terminal.

Connect the cable from the starting motor to the POSITIVE “+” battery terminal.

Cooling System Coolant (ELC) - Change

Oil has entered the cooling system and the coolant is contaminated?

Fuel has entered the cooling system and the coolant is contaminated?

Cooling system filler cap removed?

Cooling system drain valve opened or cooling system drain plugs removed?

Misalignment of the engine and the driven equipment

Camshafts correctly timed with the crankshaft

Lash for the fuel injector adjusted