Exmark CD42CD Operator's & Parts Manual page 14

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 – 92-5816
Washer – 86-1990
♦ DO NOT lubricate the threads of the bolt or spindle before
assembly.
♦ Torque the blade bolt to 85-110 ft. lbs. (115-149 N-m)
4.2.3 Check for loose hardware:
Service Interval: Daily
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Visually inspect machine for any loose hardware or any other possible
4.2.4 Check tire pressures:
The front caster tires are semi-pneumatic and do not need to be inflated.
NOTE: Do not add any type of tire liner or foam fill material to the tires.
Excessive loads created by foam filled tires may cause failures to the hydro drive
system, frame, and other components. Foam filling tires will void the warranty.
4.2.5 Lubricate grease fittings:
Service Interval: Refer to chart.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun
grease.
Refer to the following chart for fitting locations and lubrication schedule.
CAUTION
FIGURE 7
BLADE BOLT INSTALLATION
9