Maintenance
ENGINE COOLANT
Check coolant level in coolant recovery bottle. See the Specifications and Service Schedule sections.
•Add recommended coolant mixture as necessary.
•Periodically remove radiator pressure cap (only when engine has cooled down) to make sure the coolant recovery system is functioning properly. Coolant should be at bottom of radia- tor filler neck. If coolant level is low, inspect gasket in radiator pressure cap. Replace cap, if necessary. To have pressure cap tested, contact a Service Facility. Inspect cooling system and coolant recovery system for leaks.
COOLANT CHANGE
Every year, have a service facility drain, flush and refill the cooling system. See the Specifications and Service Schedule for cooling system recommendations.
OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM
Engine cranking, start up and running are controlled by a solid state Engine Controller circuit board. Battery voltage is delivered to that circuit board via the control panel fuse. This overcurrent protection device will open if the circuit is overloaded.
nIf a circuit breaker opens or a fuse element melts, find the cause of the overload before resetting the circuit breaker or replacing the fuse.
EXERCISE SYSTEM
Starts the Stationary Emergency Generator engine once every seven days and lets it run for 12 minutes.
PERFORM VISUAL INSPECTION
Complete a thorough visual inspection of the entire
INSPECT EXHAUST SYSTEM
Inspect the exhaust system at least once every year. Check all exhaust system pipes, mufflers, clamps, etc. for condition, tight- ness, leaks, security, damage.
CHECK FAN BELT
•Inspect fan belts every year. Replace any damaged, deterio- rated, worn or otherwise defective belt.
•Check fan belt tension. Thumb pressure, exerted midway between pulleys, should deflect about 3/8 to 5/8 of an inch. Adjust belt tension as required.
•Check fan belt alignment (see Figure 10.3).
Figure 10.3 – Fan Belt
INSPECT ENGINE GOVERNOR
Visually inspect electronic governor.
nDo not attempt to adjust the governor. Only qualified service facilities should adjust the governor. Excessively high operating speeds are dangerous and increase the risk of personal injury. Low speeds impose a heavy load on the engine when adequate engine power is not available and may shorten engine life. Correct rated frequency and voltage are supplied only at the proper governed speed. Some connected electrical load devices may be damaged by incorrect frequency and/or voltage. Only quali- fied service technicians should adjust the gov- erned speed.
CHANGING THE ENGINE AIR FILTER
To replace the engine air filter, remove the air filter cover and replace the air filter making sure it is positioned properly before reattaching the cover (Figure 10.4).
See the Service Schedule for air filter maintenance.
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