Safety System; Tire Pressures; Caster Wheels; Hardware - Husqvarna PZ 72 Owner's Manual

Safety System

this machine is equipped with a safety system
that prevents starting or driving under the following
conditions.
the engine can only be started when:
1. the mower deck is disengaged.
2. the steering controls are in the outer, locked
neutral position.
3. the parking brake is on.
Make daily inspections to ensure that the safety
system works by attempting to start the engine
when one of the conditions is not met. Change the
conditions and try again.
If the machine starts when one of these conditions
is not met, turn the machine off and repair the safety
system before using the machine again.
Make sure the engine stops when the park brake
is not engaged and the operator leaves the seated
position.
Check that the engine stops if the mower blades are
engaged and the driver temporarily moves off the
driver's seat.

Tire Pressures

Fill tire pressures to 15 psi / 103 kPa / 1 bar.

Caster Wheels

Check every 200 hours. Check that wheels rotate
freely.
Removal and Installation
Remove nut and caster bolt. Pull the wheel out of
the fork. Install in reverse order. tighten caster bolt.
torque to 45 ft-lbs (61 nm), then back nut off ½ turn.
nOte: tire should rotate freely but axle spacers
should not.
If wheels do not rotate freely take the unit to the
dealer for service.

Hardware

Check daily. Inspect the entire machine for loose or
missing hardware.
MAINTENANCE
Conditions for starting
IMPORTANT INFORMATION
To be able to drive, the driver must sit in the
seat and release the parking brake before
the steering controls can be moved into the
neutral position, otherwise the engine will
stop.
IMPORTANT INFORMATION
DO NOT add any type of tire liner or foam
fill material to the drive tires. Excessive
loads created by foam filled tires will cause
premature failures.
Only use O.E.M. specified tires.
1. Caster bolt
2. Axle spacer
Caster wheel
2
8065-021
1
8065-030
41