Check Mower Blades - Exmark LAZER Z Series Operator's Manual

Maintenance
1. Positive (+) cable on discharged battery
2. Positive (+) cable on booster battery
3. Negative (–) cable on the booster battery
4. Negative (–) cable on the engine block
5. Booster battery
6. Discharged battery
7. Engine block
4. Connect the other end of the positive cable to the
positive terminal of the booster battery.
5. Connect the black negative (–) cable to the other
terminal (negative) of the booster battery.
6. MAKE THE FINAL CONNECTION ON
THE ENGINE BLOCK OF THE STALLED
VEHICLE (NOT TO THE NEGATIVE POST)
AWAY FROM THE BATTERY. STAND BACK.
7. Start the vehicle and remove the cables in the
reverse order of connection (the engine block
(black) connection is the first to disconnect).

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
procedure.
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 28
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1. Install bushing in blade prior to installing bushing in
spindle.
B. Install bushing/blade assembly into spindle.
1. Use wrench here for
blade installation. This
nut has been torqued to
130-160 ft-lb (176-217
N-m)
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).
Important: On rear discharge decks, the RH
blade rotates counterclockwise. Be sure to
reinstall that blade onto the RH spindle only.
42
Figure 29
Figure 30
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.
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