Exmark Lazer Z D-Series 920 - Manual (Page 34)

Maintenance
2. Check tire pressure in drive tires.
3. Inflate drive tires to 10 psi (69 kPa).
4. Semi-pneumatic caster tires 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.
Check Condition Of Belts
Service Interval: Every 40 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Unhook seat latch and tilt seat up. Remove the
air detector panel on front side of the engine
compartment to check pump drive belt and
alternator belt.
3. Remove left and right belt shields on deck and lift
up floor pan to inspect deck drive belt.
4. Check under machine to inspect the mule
drive belt. Refer to Mule Drive Belt Tension
Adjustment section in Adjustments.
Lubricate Grease Fittings
Note: See chart for service intervals.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. 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.
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
1. Front
Caster wheel
hubs *0 2 *Yearly
2. Front
Caster
Pivots *0 2 *Yearly
3. Height
Adjustment
Shaft
Bearings 1 5 40 Hours
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
4. Deck
Drive Belt
Idler Arm 1 1 Yearly
5. Brake
Brackets 1 2 200 Hours
6. Mule
Drive Belt
Idler Arm 1 1 Yearly
7. Pump
Drive Belt
Idler Arm 1 1 Yearly
8. Deck
Rear Struts 1 2 40 Hours
* See step 3 for special lubrication instructions on
the front caster pivots and the Lubricate Caster
Wheel Hubs section for special lubrication
instructions on the front casters wheel hubs.
Number 6 (Mule Drive Belt Idler Arm) Located
Under Engine Frame
Number 7 (Pump Drive Belt Idler Arm) Located
Under Engine Frame
3. Lubricate front caster pivots once a year. Remove
hex plug and cap. Thread grease zerk in hole and
pump with grease until it oozes out around top
bearing. Remove grease zerk and thread plug back
in. Place cap back on.
34