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17
ENGINE
Refer to the separate engine manual for engine
maintenance instructions.
Service air cleaner every 10 hours under normal
conditions. Clean every few hours under extremely
dusty conditions. To service the air cleaner, refer to
the separate engine manual packed with your unit.
The spark plug(s) should be cleaned and the gap
reset once a season. Spark plug replacement is
recommended at the start of each mowing season;
check engine manual for correct plug type and gap
specifications.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and
follow instructions carefully.
FUEL FILTER
Your unit is equipped with a replaceable in-line fuel
filter. Replace filter whenever contamination or
discoloration is noticed. Order replacement filter
through your authorized engine service dealer.
CLEANING ENGINE AND DECK
Any fuel or oil spilled on the machine should be
wiped off promptly. Grass, leaves, and other dirt
must not be left to accumulate around the cooling
fins of the engine or on any part of the machine.
Clean the underside of the deck after each mowing.
Optional Oil Drain Sleeve
Your lawn tractor may have a plastic oil drain sleeve
packed with the loose parts for your convenience in
draining oil from the crankcase. To drain the oil,
snap small end of oil drain sleeve onto oil sump.
See Figure 21. Remove drain plug and drain oil into
a suitable container.
Figure 21
Optional Oil Drain Valve
Your lawn tractor may have a valve installed on the
engine for draining oil from the crankcase. See
Figure 22. To drain the oil, insert the 12" hose
(shipped loose with your unit) over the end of the
valve. Place the other end in a suitable container.
Push in black cap, rotate counterclockwise and pull
valve open. When oil is completely drained, push
top of valve in and rotate clockwise to close.
Figure 22
WHEEL ADJUSTMENT
(Units with Adjustable Tie Rod)
The caster (forward slant of the king pin) and the
camber (tilt of the wheels out at the top) require no
adjustment. Automotive steering principles have
been used to determine the caster and camber on
the tractor. The front wheels should toe-in between
1/16- 5/16 inch.
To adjust the toe-in, follow these steps.
1. Remove the hex nut and lock washer, and drop
the end of the tie rod from the axle bracket. See
Figure 23.
2. Loosen the hex jam nut on tie rod.
3. Adjust the tie rod assembly for correct toe-in.
Figure 23
Oil
Sump
Oil Drain
Sleeve
Oil Drain
Valve
12" Drain
Hose
Tie
Rod
Hex Jam
Nut
Tie Rod
End
Axle
Bracket
Hex Nut
Lock Washer