Troy-Bilt 772C0748 Lawn Mower User Manual


 
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7. Engage the tractor’s PTO.
8. Remain in the operator’s position with the cutting
deck engaged for a minimum of two minutes,
allowing the underside of the cutting deck to
throughly rinse.
9. Disengage the tractor’s PTO.
10. Turn the ignition key to the STOP position to turn
the tractor’s engine off.
11. Turn the water off and detach the hose coupler from
the water port on your decks surface. Repeat step
4-11 on the opposite side of the cutting deck.
ENGINE
Refer to the separate engine manual for engine
maintenance instructions.
Check engine oil level before each use as instructed in
the separate engine manual packed with your unit.
Read and follow instructions carefully.
CHANGING ENGINE OIL
Figure 15
NOTE: Depending on the engine model found on your
tractor, it may be necessary to remove the tractor’s side
panel in order to replace the oil filter (if so equipped).
Unscrew oil fill cap and remove dipstick from the oil
fill tube. See Figure 15.
Pop open the protective cap on the end of the oil
drain valve to expose the oil drain port. See Figure
15.
Push oil drain hose (packed with unit) onto the oil
drain port. Route the opposite end of the hose into
an appropriate oil collection container with a
capacity great enough to collect the used oil.
Push the oil drain valve in slightly, then rotate
counterclockwise and pull outward to begin draining
oil. See Figure 15.
Service the oil filter (if so equipped) as instructed in
the separate engine manual packed with your unit.
Perform the above steps in the opposite order after oil
has finished draining.
Refill the engine with new motor oil.
IMPORTANT: Refill the engine with the proper
capacity and weight of motor oil as instructed in the
separate engine manual.
Service air cleaner every 25 hours under normal
conditions. Clean every few hours under extremely
dusty condition. 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.
SECTION 9: LUBRICATION
WARNING: Before lubricating, repairing, or
inspecting, always disengage PTO, move
shift lever into neutral position, set parking
brake, stop engine and remove key to prevent
unintended starting.
Engine
Lubricate the engine with motor oil as instructed in the
Engine Owner’s Manual packed with your unit.
Pivot Points & Linkage
Lubricate all the pivot points on the drive system,
parking brake and lift linkage at least once a season
with light oil.
Front Wheels
Each of the front wheel axles is equipped with a grease
fitting. Lubricate with a grease gun after every 25 hours
of tractor operation.
Rear Wheels
The rear wheels should be removed from the axles
once a season. Lubricate the axles and the rims well
with an all-purpose grease before re-installing them.
Protective Cap
Oil Drain Hose
Oil Drain Port
Oil Fill Cap
Oil Fill Tube
Oil Drain Valve
Single-cylinder engine shown.
NOTE:
Valve location will vary with engine style.