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Maintenance
Fitting
Locations
Initial
Pumps
Number of Places Service
Interval
36 inch
Deck
48 inch
Deck
52 inch
Deck
1. Caster
Wheel
Bearings
12 2 2 2
Daily
2. Caster
Pivots
2 2 2 2
Daily
3. PTO
Engagement
Bellcrank
1 1 1 1
40 hours
4. Pump
Drive Idler
Pivot
2 1 1 1
Yearly
5. Clutch
Arm Pivot
1 1 1 1
40 hours
6. Pump
Control
Bearings
2 2 2 2
40 hours
7. Mower
Deck Idler
Pivots
2 1 1 1
Yearly
Number 4 Idler Pivot (Pump Drive) Located
under engine deck.
Number 5 (Clutch Arm Pivot) Located under
engine deck.
3. Lubricate pivot points with a spray penetrating
lubricant as shown in the Spray Lubricant Chart.
Spray Lubricant Chart
Pivot Point
Number of Places
Service Interval
1. PTO Lever
1
40 hours
Check Spark Plugs
Service Interval: Every 160 hours
Remove spark plugs, check condition and reset gaps,
or replace with new plugs. See Engine Owner's
Manual for corrrect spark plug part number. Set
the spark plug gap to .025 inch (.64 mm) for a LPG
powered engine.
Check LPG Tank
Service Interval: Before each use or daily
Check the LPG tank and components for wear or
leaks. Follow all the inspection checks as specied in
the Inspection section in Safety.
Check LPG Fuel Delivery
System
Service Interval: Every 40 hours
Check the entire LPG fuel delivery system for damage
or deterioration. Follow all the inspection checks as
specied in the Inspection section in Safety.
Change LPG Tank
Service Interval: As required
Change the LPG tanks outdoors in a well ventilated
area.
1. Stop the machine on level ground, disengage the
PTO, and engage the parking brake.
2. Close the fuel valve to the tank.
3. Purge all vapors from the hose, by running the
engine until it stops, turn key to “OFF” and
remove it from the ignition.
4. Carefully disconnect the LPG fuel hose.
5. Unlatch the cylinder bracket and remove the tank.
WARNING
Fuel system components are under high
pressure. The use of damaged or improper
components can cause system failure, fuel
leakage, and possible explosion, which may
result in serious injury or death.
• Do Not attempt to repair or modify the
valves, ttings, or other tank components.
• ONLY use the Exmark approved LPG
tank, ttings, and hoses that were
designed for your mower.
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