Exmark Lazer Z Operator's Manual page 33

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5.1.6
5.1.7
c) Clean out any grass build-up from underside of deck and in discharge chute.
Check mower blades.
Service Interval: Daily
a) Stop engine and remove key.
b) Lift deck and secure in raised position as stated in Section 5.1.5.
c) Inspect blades and sharpen or replace as required.
d) Torque blade bolts as shown. Be sure the spring disk washer cone is
installed toward the bolt head (See Figure 7).
BLADE BOLT INSTALLATION
Check safety interlock system.
Service Interval: Daily
For Kohler units with Serial Nos. 251,999 and Lower and all Kawasaki units:
Check starting circuit. Starter should crank with operator in seat, parking
a)
brake engaged, cutting blades disengaged and motion control levers moved
out in the neutral lock position.
Try to start with operator out of seat, parking brake engaged, blades
disengaged and motion control levers in neutral lock position - starter must
not crank.
For all units Serial Nos. 252,000 and Higher:
Check starting circuit. Starter should crank with, parking brake engaged,
b)
cutting blades 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.
For All units:
Try to start with operator in seat, parking brake disengaged, blades
disengaged and motion control levers in the neutral lock position - starter
must not crank.
Try to start with operator in seat, parking brake engaged, blades
engaged and motion control levers in the neutral lock position - starter
must not crank.
Try to start with operator in seat, parking brake engaged, blades
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.
c) Check the kill circuits. Run engine at one-third throttle, disengage parking
brake and raise off of seat (but do not get off of machine) engine must
stop after approx. 1/2 second has elapsed (seat has time delay kill switch
to prevent cut-outs on rough terrain).
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FIG. 7
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