TP-5631 7/96 Operation 2-1
Section 2. Operation
Prestart Checklist
To ensure continued satisfactory operation, check the
following items before each startup and at regular
intervals. Refer to the engine service manual for
specific service procedures.
AIr Cleaner. Keep air cleaner element clean. Install
element to keep unfiltered air from entering engine.
Battery. Ensuretightbatteryconnections. Maintainfull
battery electrolyte level.
Coolant Level (liquid-cooled models only). Check
levelaftertheenginehascooled. Maintaincoolantlevel
atjustbelowtheoverflowtubeontheradiatorfillerneck.
Open air-bleed petcocks, if equipped, when filling
radiator. Close air-bleed petcock when coolant begins
to flow from petcock. If equipped with a coolant
recovery tank, maintain level in tank between 1/3 full
(cold) and 2/3 full (hot). Use a coolant solution of 50%
ethyleneglycoland50%clean,softenedwater toinhibit
rust/corrosion.
A coolant solution of 50% ethylene glycol provides
freezing protection of --34°F (--37°C) and overheating
protectionto265°F(129°C). Acoolantsolutionwithless
than 50% ethylene glycol may not provide adequate
freezingandoverheatingprotection. A coolant solution
withmorethan50%ethyleneglycolcancauseengineor
component damage. Do not use alcohol or methanol
antifreeze or mix them with the specified coolant.
Consulttheenginemanufacturer’soperationmanualfor
engine coolant specifications.
Donotaddcoolanttoahotengine. Waituntilenginehas
cooled. Adding coolant to a hot engine can cause the
cylinder block or cylinder head to crack.
Do not energize block heater before filling cooling
system. Beforeenergizingblockheater,runengineuntil
itiswarmandrefillradiatortopurgeairfromthesystem.
Immerse heater element in coolant to prevent block
heater failure.
Exhaust System. Keep exhaust outlet clear. Keep
silencer and piping tight and in good condition.
Fuel Level. Keep tank(s) full to ensure adequate fuel
supply.
Lamp Test. Press the lamp test button (if equipped) to
verify operation of all controller LEDs.
Oil Level. Maintain oil level at or near full mark on
dipstick but not over. Keep the oil level in the
mechanical governor (if equipped) at or near the full
level.
Operating Area. Check for obstructions that could
block the flow of cooling air. Keep the air intake area
clean. Donot leaverags,tools, or debris onor nearthe
generator set.
Exercising the Generator
Run the generator set under load once each week for
one hour. Perform this exercise in the presence of an
operatorif thegeneratorsetdoesnothaveanautomatic
transfer switch with an exercise option.
Operator should perform all prestart checks before
startingtheexerciseprocedure. Whilethegeneratorset
is running, listen for a smooth-running engine and
visuallyinspectthegeneratorsettoensurethereareno
fluid or exhaust leaks.
Start the generator set according to the starting
procedure in the controller section of this manual.
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