Exmark FMD524 manual Blade Bolt Installation

FIGURE 6

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.

5.1.5Check safety interlock system. Service Interval: Daily

a)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.

Try to start with OPC levers depressed, speed control lever in neutral and PTO engaged - starter MUST NOT crank.

b)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 PTO and release OPC levers - engine MUST stop.

NOTE: Park brake must be disengaged before the speed control lever is moved out of neutral or engine will kill.

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