20
430
MAX
MAINTENANCE
ENGINE
Do not perform engine maintenance without the
engine off, spark plug wires (gasoline engines)
disconnected and PTO disengaged.
ENGINE OIL AND FILTER CHANGE PROCEDURE
1. Run engine until engine is warm for complete
draining.
2. Remove oil drain plug (Kohler & Generac).
Open draincock (Kubota).
3. Remove oil filter and wipe filter base clean.
NOTE:
Use only O.E.M. brand filters. Some
aftermarket filters are not constructed the same.
4. Lube filter gasket with oil and install new filter.
Tighten 1/2 turn after seal contacts base. Do not
overtighten.
5. Reinstall drain plug (Kohler & Generac).
Close drain cock (Kubota)
6. Fill with engine oil. Refer to engine manual for oil
specifications. See Capacity Chart on page 18.
7. Run engine and check filter and drain plug or
cock for leaks.
8. Stop engine and refill to proper oil level.
DAILY
1. Check oil level with the dipstick.
2. If oil is needed, add fresh oil of proper viscosity
and grade. Refer to engine manual for oil
specifications. Do not overfill.
3. Replace dipstick before starting engine.
PERIODIC OIL CHANGES
1. Refer to the engine manual for oil and filter
change intervals.
FUEL FILTERS
–
Use only O.E.M. brand filters.
–
Buy your fuel from a reputable supplier.
Recommended gasoline is 87 octane.
Recommended diesel fuel is No. 2. Store your
fuel properly - keep moisture out.
–
Shelf life of fuel is about 3 months - gasoline and
diesel.
–
Store fuel in proper, clean containers.
AIR FILTERS
–
Install filters properly, do not over tighten and
deform element.
Kohler & Generac
–
Keep an extra foam wrap oiled and ready - Can
keep the extra foam wrap in tool box.
Kubota
–
Don’t over service, remove end cap only to clean
out dust. Don’t tap dirt out.
–
Don’t blow out with compressed air. Don’t change
filter until the engine starts to smoke.
–
Check intake hoses and fittings for damage or
leaking.
COOLING
–
Keep chaff screen clean. - Air cooled and liquid
cooled.
–
Keep engine block clean. Grass, dirt, misc. debris
will act as an insulator.
–
Do not pressure wash a hot or running engine.
–
Keep radiators clean. - Do not use high pressure
air or washers to clean. Use only low air or water
pressure. Blow directly through fins and not on an
angle so as not to damage or close fins.
–
Use only commercial grade antifreeze (for cast
iron liquid cooled engines) and deionized water
in a 50/50 mix. Mix outside of engine. Don’t mix
Propylene Glycol and Ethylene Glycol.
–
Do not remove thermostat.
NOTE:
THE USE OF ANY AIR FILTER, HYDRAULIC
OIL FILTER OR ENGINE OIL FILTER OTHER
THAN THOSE SPECIFIED BY THE ENGINE
MANUFACTURER IS NOT RECOMMENDED.
IF A NON-GENUINE PART CAUSES OR
SUBSTANTIALLY CONTRIBUTES TO A
FAILURE, THAT FAILURE MAY NOT BE
COVERED BY WARRANTY.