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FIGURE 8
BLADE BOLT INSTALLATION
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 mower blades are engaged, or the speed
control lever is not in neutral and both hands are removed from the handles,
the mower engine MUST stop.
b) For Electric Start Units Only: Check starting circuit. Starter should crank
with: Operator Presence Control levers depressed, speed control lever in
neutral, and electric blade clutch disengaged.
Try to start the engine with OPC levers disengaged, speed control lever in
neutral and electric blade clutch disengaged - starter MUST NOT crank.
Try to start with, OPC levers depressed, speed control lever in any speed
but neutral and electric blade clutch disengaged - starter MUST NOT
crank.
Try to start with OPC levers depressed, speed control lever in neutral and
electric blade clutch engaged-starter MUST NOT crank.
c) Check OPC circuits. Clear the area. Run engine at one-third throttle, then
with drive levers and neutral lock latches in neutral lock position, move the
speed control lever out of neutral and release OPC levers - engine MUST
stop. Again, run engine at one-third throttle, move the speed control lever to
neutral, engage blade clutch and release OPC levers - engine MUST stop.
d) 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 Service pre-cleaner element and air cleaner.
Service Interval: See Engine Owner's Manual