TP-5393 9/93 Scheduled Maintenance 3-17
Generator Service
General
Under normal conditions, generator service will not be
requiredonaregularbasis.Ifoperatingunderextremely
dusty and dirty conditions, use dry compressed air to
blow dust out of the generator at frequent intervals. Do
this with the generator set operating and direct the
streamofairinthrough thecoolingslotsattheend ofthe
generator.
Storage Procedure
If your generator set is to be out of service for a
considerable length of time (2 months or more), the
following steps should be taken to preserve the set
before placing it in storage.
1. Change the oil and filter when the engine is still
warm from operation. Refer to Oil Change. Run
the engine for a fewminutes to distribute the clean
oil.
2. Gasoline-fueled generators—Drain the carburetor
bowl (or run unit until empty). This step is done to
prevent the gasoline from becoming “stale” which
causesformationofgum. Thebowlcanberemoved
by unscrewing retaining bolt on bottom of bowl.
Replace the bowl after draining the fuel. Use of a
gas stabilizer for gasoline-fueled generators is
permittedinlieuofdrainingthecarburetorbowl;add
the correct amount of gas stabilizer to the fuel and
follow all recommendations of the gas stabilizer
manufacturer.
LP Gas-fueled generators—With the generator
running, shut off the LP gas fuel supply. Run the
generator set until the set stops from lack of fuel.
3. Gasoline-fueled generators only—remove the fuel
line at the pump outlet to drain fuel line to
carburetor. Reconnect fuel line. The pump itself
requires no additional maintenance.
4. Remove the spark plugs. Pourabout 1 tablespoon
of engine oil into each spark plug hole. Install the
plugs,butdo notconnecttheplug leads. Crankthe
engine two or three revolutions to lubricate the
cylinders.
5. Cleantheexterior surfaceofthegeneratorsetthen
spread a light film of oil over unpainted metallic
surfaces which could rust or corrode.
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