Exmark 312 Lawn Mower User Manual


 
Maintenance
Figure 23
1. Engaged 2. Partially engaged — Do
Not operate with ROPS
in this condition.
Check Seat Belt
Service Interval: Before each use or daily
Visually inspect seat belt for wear, cuts, and proper
operation of retractor and buckle. Replace before
operating if damaged.
Check for Loose Hardware
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Visually inspect machine for any loose hardware
or any other possible problem. Tighten hardware
or correct the problem before operating.
Service Air Cleaner
Service Interval: Every 250 hours—Replace
the primary air cleaner
element check
secondary air cleaner
element; replace if dirty.
(May need more often
under severe conditions.
See the Engine Owner's
Manual for additional
information.)
Every 500 hours—Replace
the secondary air cleaner
element (May need more
often under severe
conditions. See the
Engine Owner's Manual
for additional information.)
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. See the Engine Owner's Manual for maintenance
instructions.
Change Engine Oil
Service Interval: After the rst 5 hours
Every 100 hours/Yearly
(whichever comes rst)
(May need more often
under severe conditions.)
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Drain oil while engine is warm from operation.
3. The oil drain hose is located on right hand side
of engine at the rear. Place pan under machine
to catch oil. Remove plug from end of drain
hose. Allow oil to drain and replace oil drain plug.
Torque plug to 20-24 ft-lb.
4. Replace the oil lter every other oil change. Clean
around oil lter and unscrew lter to remove.
Before reinstalling new lter, apply a thin coating
of Exmark 4–Cycle Premium Engine oil on the
surface of the rubber seal. Turn lter clockwise
until rubber seal contacts the lter adapter then
tighten lter an additional 1/2 to 3/4 turn.
5. Clean around oil ll cap and remove cap. Fill to
specied capacity and replace cap.
6. Use oil recommended in the Check Engine Oil
Level section. Do Not overll. Start the engine
and check for leaks.
7. Wipe up any spilled oil from engine deck
mounting surfaces.
Check Hydraulic Oil Level
Service Interval: Every 50 hours
1. Stop engine and wait for all moving parts to stop.
Engage parking brake.
2. Wait until the unit cools before checking the
hydraulic oil.
3. Slide the seat all the forward to access the caps on
the LH and RH hydro drives.
4. Clean the area around hydraulic reservoir cap and
remove cap.
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