Check mower blades check safety interlock system, Check mower blades, Warning – Exmark Lazer Z HP 565 User Manual

Page 27: Check safety interlock system, Maintenance

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Maintenance

Voltage
Reading

Percent
Charge

Maximum
Charger
Settings

Charging
Interval

11.7–12.0

0–25%

14.4 volts/4
amps

3 Hours

11.7 or less

0%

14.4 volts/2
amps

6 Hours or
More

Check Mower Blades

Service Interval: Before each use or daily

1. Stop engine, wait for all moving parts to stop, and

remove key. Engage parking brake.

2. Lift deck and secure in raised position as stated in

the Clean Grass Build-Up Under Deck section.

3. Inspect blades and sharpen or replace as required.

4. Reinstall the blades (if they were removed) in the

following order:

A. Install bushing through blade with bushing

flange on bottom (grass) side of blade.

Figure 11

1.

Install bushing in blade prior to installing bushing in
spindle.

B. Install bushing/blade assembly into spindle.

Figure 12

1.

Use wrench here for
blade installation. This
nut has been torqued to
90–110 ft-lb (122–149
N-m)

2.

Torque to 55-60 ft-lb
(75-81 N-m) Apply
lubricant to threads
as needed to prevent
seizing. Copper-based
anti-seize preferable.
Grease acceptable
substitute.

C. Apply lubricant to threads of blade bolt as

needed to prevent seizing. Copper-based
anti-seize preferable. Grease acceptable
substitute. Install blade bolt finger tight. Place
wrench on the top spindle nut then torque the
blade bolts to 55-60 ft-lb (75-81 N-m).

WARNING

Incorrect installation of the blade or
components used to retain the blade can
be dangerous. Failure to use all original
components and assembled as shown could
allow a blade or blade component to be
thrown out from under the deck resulting in
serious personal injury or death.

Always install the original Exmark blades,
blade bushings, and blade bolts as shown.

Check Safety Interlock
System

Service Interval: Before each use or daily

Note: To prevent engine cut-outs on rough terrain
the seat kill switch has a 1/2 second delay.

1. Check starting circuit. Starter should crank with,

parking brake engaged, PTO disengaged and

27

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