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D-2
Engine Oil Change
Drain the engine oil while the engine is warm to
assure rapid and complete draining. It is recommend-
ed that each time the oil is changed the oil filter be
changed as well.
• Be sure the unit is off. Disconnect the negative bat-
tery cable to ensure safety.
• Locate oil drain hose and valve in bottom of base
and pull through the hole in the battery access panel
on the welder.
• Remove the cap from the drain valve. Push valve in
and twist counterclockwise. Pull to open and drain
the oil into a suitable container for disposal.
• Close the drain valve by pushing in and twisting
clockwise. Replace the cap.
• Re-fill the crankcase to the upper limit mark on the
dipstick with the recommended oil (see engine oper-
ation manual OR engine service items decal OR
below). Replace and tighten the oil filler cap secure-
ly.
• Push oil drain hose and valve back into unit, re-con-
nect negative battery cable, and close doors and
engine top cover before restarting unit.Wash your
hands with soap and water after handling used
motor oil. Please dispose of used motor oil in a
manner that is compatible with the environment.
We suggest you take it in a sealed container to your
local service station or recycling center for reclama-
tion. DO NOT throw it in the trash; pour it on the
ground or down a drain.
Engine Oil Refill capacities
Without oil filter replacement:
• 3.3 U.S. Quart. (2.7 Imp Quart, 3.2 liter)
With oil filter replacement:
• 3.4 U.S. Quart. (3.0 Imp Quart, 3.2 liter)
Use motor oil designed for diesel engines that meets
requirements for API service classification
CC/CD/CE/CF/CF-4/CG-4 or CH-4.
ACEA E1/E2/E3. Always check the API service label
on the oil container to be sure it includes the letters
indicated. (Note: An S-grade oil must not be used in a
diesel engine or damage may result. It IS permissible
to use an oil that meets S and C grade service classifi-
cations.)
SAE 10W30 is recommended for general, all tempera-
ture use, 5F to 104F (-15C to 40C).
See engine owner's manual for more specific informa-
tion on oil viscosity recommendations.
MAINTENANCE
Oil Filter Change
• Drain the oil.
• Remove the oil filter with an oil filter wrench and
drain the oil into a suitable container. Discard the
used filter. Note: Care should be taken during filter
removal to not disrupt or damage in any way the fuel
lines.
• Clean the filter mounting base and coat the gasket
of the new filter with clean engine oil.
• Screw the new filter on by hand until the gasket con-
tacts the mounting base. Using an oil filter wrench,
tighten the filter an additional 1/2 to 7/8 of a turn.
• Refill the crankcase with the specified amount of the
recommended engine oil. Reinstall the oil filler cap
and tighten securely.
• Start the engine and check for oil filter leaks.
• Stop the engine and check the oil level. If neces-
sary, add oil to the upper limit mark on the dipstick.
• Never use gasoline or low flash point solvents
for cleaning the air cleaner element. A fire or
explosion could result.
• Never run the engine without the air cleaner.
Rapid engine wear will result from contaminants,
such as dust and dirt being drawn into the
engine.
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AIR CLEANER
The diesel engine is equipped with a dry type air filter.
Never apply oil to it. Service the air cleaner as follows:
Replace the element at least every 200 hours of
operation and sooner under dusty conditions.
RANGER® 305D (AU)
WARNING
CAUTION
D-2
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