Exmark Lazer HP - Manual (Page 35)

- 30 -
5.1.6 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) Re-install the blades (if they were removed) by placing a block of wood
between the front or rear baffles and the blade then torquing the blade
bolts to 115-120 ft. lbs. 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:
52” & 60” decks Serial Nos. 259,999 & lower
Blade bolt – PN 103-1026
Spring disc washer – PN 1-513208
52” & 60” decks Serial Nos. 260,000 & higher
& all 72” units
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.
FIG. 7
BLADE BOLT INSTALLATION