Allis-Chalmers 400 Series - Lubrication & Service; Engine Maintenance

Lubrication and Service
LUBRICATION & SERVICE
LUBRICATION AND SERVICE - ALL MODELS
CAUTION: ALWAYS stop engine and remove
ignition key before servicing inspecting, ad¬
justing or repairing the tractor and any
implements being used.
ENGINE OIL-Figure 7
1. Check the engine oil level before starting engine and
after each 6 hours of operation.
To check level remove oil dipstick and wipe it clean.
Replace in oil fill tube and push firmly all the way
down. Remove and check the level. It should be
between the "L" and "F" marks on dipstick.
NEVER run engine with oil level below the "L"
mark. Fill with oil to the "F" mark but DO NOT
EXCEED THIS MARK.
2. Change the oil after the first 5 hours of operation
and every 25 hours of operation after that. Tractor
should be on a level surfare when checking or
changing oil.
To change oil, have engine hot, clean any dust or
dirt from around oil fill tube and remove the
dipstick. Then remove the oil drain plug and
permit all oil to drain out. Replace drain plug and
fill the crankcase up to the "F" mark on dipstick
with a high quality detergent oil classified "SC",
"SD" or "MS" service of proper viscosity for the
prevailing temperature. DO NOT OVER FILL.
Air Temperature Oil Viscosity
Above 30° F. SAE SOW
30°to0°F. SAE 10W-30
Below 0° F. SAE 5W-20
NOTE: Nothing should be added to the recommended
engine oil.
ENGINE FUEL
1. Use clean, fresh, leaded or non-leaded "REGULAR"
grade gasoline. Fill tank completely. DO NOT u^
premium gasoline and DO NOT mix oil with gas¬
oline (Figures 1,2 and 6).
2. Fuel filter should be replaced every 100 hours of
operation or once a year (Figure 8).
CAUTION: NEVER add fuel, or open fuel line
when engine is running or is hot. If gasoline
is spilled on the engine wipe it up and permit
all of it to evaporate before starting engine.
14