Exmark Lazer Z SX Diesel Models 4500-501 Rev A - Manual (Page 29)

Maintenance
Maintenance Service
Interval
Maintenance Procedure
Every 500 hours
• Change the hydraulic filter (Every 250 hours/yearly if using Mobil 1 15W50)
• Check the wheel hub slotted nut torque specifications.
• Check the wheel lug nuts.
Every 600 hours
• Replace the air cleaner elements. (May need more often under severe conditions. See the
Engine Owner’s Manual for additional information.)
Every 4,000 hours • Change engine coolant. Dex-Cool© extended life coolant (orange color)
Monthly • Check the battery charge.
Yearly
• Change the engine oil if operated less than 100 hours.
• Grease the front caster wheel hubs.
• Grease front caster pivots.
• Grease the deck drive belt idler arm.
• Grease the mule drive belt idler arm.
• Grease the pump drive belt idler arm.
• Lubricate the caster wheel hubs.
Periodic Maintenance
Check Engine Oil Level
Service Interval: Before each use or daily
1. Stop engine and wait for all moving parts to stop.
Make sure unit is on a level surface.
2. Check with engine cold.
3. Raise radiator to gain access to dipstick.
CAUTION
If the radiator prop rod is not securely
positioned in the notch the radiator may fall.
Falling radiator could cause serious injury.
Be sure the prop rod is engaged securely in
the notch at the far right side of the slot.
4. Clean area around dipstick. Remove dipstick and
wipe oil off. Reinsert the dipstick and push it all
the way down into the tube. Remove the dipstick
and read the oil level.
5. If the oil level is low, wipe off the area around the
oil fill cap, remove cap and fill to the “FULL”
mark on the dipstick. Use oil as specified in
Engine Owner’s Manual. Do Not overfill.
Important: Do Not operate the engine with the
oil level below the “LOW” (or “ADD”) mark on
the dipstick, or over the “FULL” mark.
Check Battery Charge
Service Interval: Monthly
WARNING
CALIFORNIA
Proposition 65 Warning
Battery posts, terminals, and related
accessories contain lead and lead
compounds, chemicals known to the State of
California to cause cancer and reproductive
harm. Wash hands after handling.
Allowing batteries to stand for an extended period of
time without recharging them will result in reduced
performance and service life. To preserve optimum
battery performance and life, recharge batteries in
storage when the open circuit voltage drops to 12.4
volts.
Note: To prevent damage due to freezing, battery
should be fully charged before putting away for
winter storage.
Check the voltage of the battery with a digital
voltmeter. Locate the voltage reading of the battery
in the table below and charge the battery for the
recommended time interval to bring the charge up to
a full charge of 12.6 volts or greater.
Important: Make sure the negative battery
cables are disconnected and the battery charger
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