Exmark Mhp3615kac, Mhp4815kac Operator's Manual page 27

a) Stop engine and wait for all moving parts to stop. Remove key or spark plug
wire(s).
b) Drain oil while engine is warm from operation.
c) The oil drain valve is located on left hand side of engine.
Place pan under machine to catch oil and turn valve counter clockwise with a
10 mm wrench to open valve. Allow oil to drain, then turn valve clockwise to
close.
d) Replace the oil filter as per Engine Owner's Manual. Clean around oil filter and
unscrew filter to remove. Before reinstalling new filter, apply a thin coating of oil
on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts
the filter adapter then tighten filter an additional 2/3 to 3/4 turn.
e) Clean around oil fill cap and remove cap. Fill to the specified capacity and
replace cap. Use oil as specified in Engine Owners Manual. Do not overfill.
f) Start the engine and check for leaks. Stop engine and recheck oil levels.
5.1.9 Check grease level, input and output shaft bearing wear on Peerless Transmission.
(Replace gearbox grease yearly)
Service Interval: 160 hrs.
a) Stop engine, wait for all moving parts to stop, and remove key or spark plug
wire(s).
b) Place drive levers and neutral lock/park brake latches in the neutral lock
position.
c) Remove shifter lever from top of transmission.
d) Remove shifter plate from top of transmission and the two leads from the
neutral start switch.
e) Release the tension on the transmission belt.
f) Check for side play caused by bearing wear on the input and out put shafts of
the transmission. Replace bearings if necessary.
g) Remove the six bolts that fasten the upper case to the lower case and
carefully remove the upper case half.
h) Check the grease level in the lower case. The grease level should be
approximately 1-1/2" to 1-3/4" (3.8 to 4.4 cm) from the gearbox bottom. If
necessary, fill to proper level with Peerless grease (Part No. 788067).
i) Reinstall upper case half and fasten in place with six bolts previously removed.
j) Reinstall all parts removed in Steps c and d. Install drive belt and adjust
tension as stated in Section 5.2.5.
5.1.10 Check tire pressures.
Service Interval: Pneumatic (air-filled) Drive Tires – 40 hrs.
a) Stop engine and wait for all moving parts to stop. Remove key or spark plug
wire(s). Check air pressure in drive tires; recommended tire pressure is: 12 to
16 psi (83-110 kPa);
b) Inflate tires to pressures stated above. Measure the circumference of each
drive tire. Adjust tire pressures within the above range to try to make tire
circumferences match as closely as possible.
5.1.11 Inspect Belt wear.
Service Interval: 40 hrs.
a) Stop engine and wait for all moving parts to stop. Remove key or spark plug
wire(s).
Semi-pneumatic Caster Tires – No Maintenance
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