Cub Cadet RZT 50 Operator's Manual page 37

Refer to the operating instructions of the equipment
this engine powers. Because of equipment design or
application, there may be more stringent restrictions
regarding the angle of operation.
NOTE: Do not operate this engine continuously at
angles exceeding 25° in any direction. Engine
damage could result from insufficient
lubrication.
Cooling
NOTE: If debris builds up on the grass screen or other
cooling areas, stop the engine immediately
and clean. Operating the engine with blocked
or dirty air intake and cooling areas can cause
extensive damage due to overheating. See
Clean Air Intake/Cooling Area.
Maintenance Instructions
Maintenance, repair, or replacement of the emission control devices and systems, which are being done at the
customers expense, may be performed by any non-road engine repair establishment or individual. Warranty
repairs must be performed by an authorized Kohler service outlet.
WARNING: Accidental Starts!
Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or
equipment, disable the engine as follows: 1) Disconnect the spark plug lead(s). 2) Disconnect negative (-) battery
cable from battery.
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 50 Hours
Annually or
Every 100 Hours
Every 300 Hours
Every 500 Hours
1
Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.
2 Have a Kohler Engine Service Dealer perform these services.
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:
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
• Check air cleaner element, clean or replace as necessary¹.
• Replace air cleaner element and precleaner¹.
• Change oil and oil filter (more frequently under severe conditions).
• Remove cooling shrouds and clean cooling areas¹.
• Check oil cooler fins, clean as necessary (if equipped).
• Replace fuel filter.
• Check spark plug condition and gap.
• Have valve lash checked/adjusted
• Have bendix starter drive serviced
• Have solenoid shift starter disassembled and cleaned
WARNING: Hot Parts!
Engine components can get extremely hot from operation. To
prevent severe burns, do not touch these areas while the engine
is running, or immediately after it is turned off. Never operate
the engine with heat shields or guards removed.
Engine Speed
NOTE: Do not tamper with the governor setting to
increase the maximum engine speed.
Overspeed is hazardous and will void the
engine warranty. The maximum allowable
high idle speed for these engines is 3750 RPM,
no load.
1
, loose, or damaged parts.
1 .
2
.
2 .
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.
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.
2 .
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