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Maintenance
Hydro Oil
Service Interval
Exmark Premium Hydro
Oil (Preferred)
After rst 250 hours
*Every 500 hours
thereafter
Mobil 1 15W50 After rst 250 hours
*Every 250 hours
thereafter
*May need more often under severe conditions.
10. Remove the catch pan and properly dispose of
hydro oil and lter according to local codes.
11. Re-install the pump drive belt.
12. Start engine and move throttle control ahead to
full throttle position. Move the speed control
levers to the full speed and run for one minute.
Shut down the machine, allow the hydros to cool
and recheck oil level.
13. Remove the jack stands.
Note: Do Not change the hydraulic system oil
(except for what can be drained when changing lter),
unless it is felt the oil has been contaminated or been
extremely hot.
Changing oil unnecessarily could damage hydraulic
system by introducing contaminants into the system.
Wheel Hub - Slotted Nut
Torque Specication
Service Interval: After the rst 100 hours
Every 500 hours thereafter
Torque the slotted nut to 211-260 ft-lb (286-352
N-m).
Note: Do Not use anti-seize on wheel hub.
Check Spark Arrester
(if equipped)
Service Interval: Every 50 hours
WARNING
Hot exhaust system components may ignite
gasoline vapors even after the engine is stopped.
Hot particles exhausted during engine operation
may ignite ammable materials. Fire may result
in personal injury or property damage.
Do Not refuel or run engine unless spark arrester
is installed.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Wait for mufer to cool.
3. If any breaks in the screen or welds are observed,
replace arrester.
4. If plugging of the screen is observed, remove
arrester and shake loose particles out of the
arrester and clean screen with a wire brush (soak
in solvent if necessary). Reinstall arrester on
exhaust outlet.
Thread Locking Adhesives
Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:
• ROPS spring pin housing.
• Hydro pump control arm, linkage bolt, and
attachment bolt.
• Hydro park brake cable anchor mounting bolt
• Sheave and clutch retaining bolt in the end of
engine crankshaft.
Thread locking adhesives are required for some
hardware on engines — see the Engine manual.
Copper-Based Anti-seize
Copper-based anti-seize is used in the following
location:
On threads of Blade Bolts. See Check Mower
Blades section.
Dielectric Grease
Dielectric grease is used on all blade type electrical
connections to prevent corrosion and loss of contact.
Dielectric grease should not be applied to sealed
connectors.
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