Check Hydraulic Transmission Oil Level; Check Tire Pressures; Check Condition And Tension Of Belts; Check Condition Of Chains - Exmark ARX481CKA30000 Operator's Manual

Maintenance
Check Hydraulic
Transmission Oil Level
Service Interval: Every 50 hours
1. Stop engine and wait for all moving parts to stop,
and remove key. Engage parking brake.
2. With the unit cold, check the expansion tank and
if necessary add Exmark Premium Hydro Oil to
the FULL COLD line.

Check Tire Pressures

Service Interval: Every 50 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Check tire pressure in drive tires.
3. Inflate drive tires to 12-14 psi (83-97 kPa).
4. Semi-pneumatic caster tires do not need to be
inflated.
Check Condition and Tension
Of Belts
Service Interval: Every 50 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lift the front of the unit and support using jack
stands or equivalent support.
3. Check the auxiliary pump drive belt condition and
tension; belt should be snug. See Auxiliary Pump
Drive Belt Adjustment in the Adjustments
section.
4. Check condition of the transmission drive belt.

Check Condition Of Chains

Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Check the chains on both sides of the unit for
proper tension. The chains should be able to
move up and down 1/4-1/2 inch (6-12 mm).
3. If chains pop or snap see Jackshaft Drive
Chain Tension Adjustment, Drive Chain
Tension Adjustment, or Tine Drive Tension
Adjustment in the Adjustments section.
Check Condition Of
Sprockets
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Inspect sprockets for wear and replace as required.

Lubricate Chains

Service Interval: Before each use or daily
Important: Do Not lubricate chains with
penetrating oil or solvents. Use oil or chain
lubricant.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lift the rear of the unit and support using jack
stands or equivalent support.
CAUTION
Raising the unit for service or maintenance
relying solely on mechanical or hydraulic
jacks could be dangerous. The mechanical or
hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall,
which could cause injury.
Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support.
3. Start engine and move throttle control ahead to
1/2 throttle position. Disengage parking brake.
WARNING
Engine must be running and drive wheels
must be turning so adjustments can be
performed. Contact with moving parts or hot
surfaces may cause personal injury.
Keep fingers, hands, and clothing clear of
rotating components and hot surfaces.
4. With the engine running, slowly move the motion
control levers forward and lubricate all six chains.
5. Check the condition and tension of the chains
(see Check Condition Of Chains section).

Lubricate Grease Fittings

Note: See chart for service intervals.
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