Exmark Lazer HP manual Blade Bolt Installation

c)Inspect blades and sharpen or replace as required.

d)Re-install the blades (if they were removed) by placing a block of wood between the front or rear baffles and the blade then torque the blade bolts to 115-120 ft-lbs. (156-163 N-m). Be sure the spring disk washer cone is installed toward the bolt head (See Figure 7).

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

♦Replace the blade bolt after striking a foreign object. Use only the following replacement parts:

Blade bolt – PN 103-0862

Spring disc washer – PN 103-0865

♦DO NOT lubricate the threads of the bolt or spindle before assembly.

♦Torque the blade bolt to 115-120 ft. lbs. (156-163 N-m)

TORQUE TO 115-120ft-lbs. (156-163N-m)

FIGURE 7

BLADE BOLT INSTALLATION

5.1.7Check safety interlock system.

Service Interval: Daily

a) Check starting circuit. Starter should crank with, parking brake engaged, PTO disengaged and motion control levers moved out in the neutral lock position. The operator does not need to be in the seat to start the engine.

Try to start with operator in seat, parking brake disengaged, PTO disengaged and motion control levers in the neutral lock position - starter must not crank.

Try to start with operator in seat, parking brake engaged, PTO engaged and motion control levers in the neutral lock position - starter must not crank.

Try to start with operator in seat, parking brake engaged, PTO disengaged, and the left motion control lever in, starter must not crank, repeat again with the right lever in, then with both levers in - starter must not crank.

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