Exmark Mhp3615kac, Mhp4815kac Operator's Manual page 26

5.1.4 Check safety interlock system.
Service Interval: Daily
a) For your safety, your Exmark mower is equipped with Operator Presence
Controls (OPC). When either the PTO is engaged, or the transmission shift
lever is not in neutral and both hands are removed from the handles, the
mower engine MUST stop.
b) Check OPC circuits. Clear the area. Run engine at one-third throttle, then
with drive levers and neutral lock/park brake latches in "park brake"
position, Shift the transmission into gear and release OPC levers – engine
MUST stop.
Again, run engine at one-third throttle, move the transmission shifter lever to
neutral, engage PTO and release OPC levers - engine MUST stop.
c) If machine does not pass any of these tests, DO NOT operate. Contact
your authorized EXMARK SERVICE DEALER.
IMPORTANT: It is essential that all Operator Safety Mechanisms, be in
place and in proper operating condition prior to mowing.
5.1.5 Check for loose hardware.
Service Interval: Daily
a) Stop engine and wait for all moving parts to stop. Remove ignition key or
spark plug wire(s).
b) Visually inspect machine for any loose hardware or any other possible
problem. Tighten hardware or correct the problem before operating.
5.1.6 Check Brake and Wheel Drive Linkage Adjustment
Service Interval: Daily
Refer to Section 3.11. Note any bent linkage or hardware, which may need
servicing or replacing.
5.1.7 Service pre-cleaner element and air cleaner.
Service Interval: See Engine Owner's Manual
a) Stop engine and wait for all moving parts to stop. Remove key or spark plug
wire(s).
b) See engine owners manual for cleaning instructions.
5.1.8 Change engine oil.
Service Interval: See Engine Owner's Manual
NOTE: Change oil after first five (5) hours of operation. Follow engine
manufacturer's recommendations for future oil changes.
FIGURE 11
BLADE BOLT INSTALLATION
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