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2) Install bushing/blade combo into spindle.
3) Install blade bolt and spring disc washer. Be sure the spring disc
washer cone is installed towards the bolt head. Place a block of wood
between front or rear baffles and the blade then torque the blade bolts
to 55-60 ft-lbs. (75-81 N-m).
FIGURE 7
BLADE BOLT INSTALLATION
IMPORTANT: DO NOT use components other than the original blade, blade
bushing, spring disc washer, and blade bolt supplied with the unit. Failure to use
all original components and assembled as shown will increase the risk of a blade
bolt becoming loose or weak after striking a foreign object.
CAUTION
POTENTIAL HAZARD
♦ Operating a mower deck with loose or weakened blade
bolts can be dangerous.
WHAT CAN HAPPEN
♦ A loose or weakened blade bolt could allow a blade
rotating at a high speed to come out from under the deck,
causing serious injury or property damage.
HOW TO AVOID THE HAZARD
♦ Always re-install original Exmark blades, blade bushings,
spring disc washers, and blade bolts in the correct
positions as shown.
5.1.5 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 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 PTO disengaged.
Try to start the engine with OPC levers disengaged, speed control lever in
neutral and PTO disengaged - starter MUST NOT crank.
Try to start with, OPC levers depressed, speed control lever in any speed
but neutral and PTO disengaged - starter MUST NOT crank.