Kohler COMMAND CH620-CH750 Owner's Manual - Page 9
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Maintenance Schedule
These required maintenance procedures should be performed at the frequency stated in the table. They should
also be included as part of any seasonal tune-up.
Frequency
Daily or Before
Starting Engine
Every 25 Hours
Every 100 Hours
Every 200 Hours
Every 250 Hours
Annually or
Every 500 Hours
Every 500 Hours
Every 1500 Hours
1
Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.
2
Have a Kohler Engine Service Dealer perform this service.
3
Cleanout Kits 25 755 20-S (black) or 25 755 21-S (gold) allow cooling areas to be cleaned without removing shrouds.
4
Only required for Denso starters. Not necessary on Delco starters.
Check Oil Level
The importance of checking and maintaining the
proper oil level in the crankcase cannot be
overemphasized. Check oil BEFORE EACH USE as
follows:
1. Make sure the engine is stopped, level, and is cool
so the oil has had time to drain into the sump.
2. To keep dirt, debris, etc., out of the engine, clean
the area around the dipstick before removing it.
3. Remove the dipstick; wipe oil off. Reinsert the
dipstick into the tube and press all the way
down.
4. Remove the dipstick and check the oil level.
The oil level should be up to, but not over, the "F"
mark on the dipstick. See Figure 7.
Operating
Range
Figure 7. Oil Level Dipstick.
Maintenance Required
• Fill fuel tank.
• Check oil level.
• Check air cleaner for dirty
• Check air intake and cooling areas, clean as necessary
• Service precleaner element
• Replace air cleaner element
• Change oil. (More frequently under severe conditions.)
• Remove cooling shrouds and clean cooling areas
• Check oil cooler fins, clean as necessary (if equipped).
• Check spark plug condition and gap.
• Change oil filter.
• Replace fuel filter (carbureted engines).
• Replace heavy-duty air cleaner element and check inner element
• Have bendix starter drive serviced
• Have solenoid shift starter disassembled and cleaned
• Have crankshaft spline lubricated
1
• Replace fuel filter
(EFI engines).
"F" Mark
1
, loose, or damaged parts.
1
.
1
.
1,3
.
2,4
.
2
.
5. If the level is low, add oil of the proper type, up to
the "F" mark on the dipstick. (Refer to Oil Type on
page 5.) Always check the level with the dipstick
before adding more oil.
NOTE: To prevent extensive engine wear or
damage, always maintain the proper oil
level in the crankcase. Never operate the
engine with the oil level below the "L"
mark or over the "F" mark on the
dipstick.
Oil Sentry™
Some engines are equipped with an optional Oil
Sentry™ oil pressure switch. If the oil pressure
decreases below an acceptable level, the Oil Sentry™
will either shut off the engine or activate a warning
signal, depending on the application.
NOTE: Make sure the oil level is checked BEFORE
EACH USE and is maintained up to the "F"
mark on the dipstick. This includes engines
equipped with Oil Sentry™.
1
.
1
.
2,4
.
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