Maintenance & Adjustment - Troy-Bilt HYDROSTATIC LAWN TRACTOR - HORSE 769-06304 Operator's Manual

Maintenance & Adjustments
Maintenance
WARNING!
Before performing any maintenance or
repairs, disengage PTO, move shift lever into neutral
position, set parking brake, stop engine and remove
key to prevent unintended starting.
Engine
Refer to the Engine Operator/Owner Manual for engine
maintenance instructions.
Check engine oil level before each use as instructed in the Engine
Operator/Owner Manual packed with your unit. Follow the
instructions carefully.
Changing Engine Oil
WARNING!
If the engine has been recently run, the
engine, muffler and surrounding metal surfaces will
be hot and can cause burns to the skin. Exercise
caution to avoid burns.
NOTE: The oil filter should be changed at every oil change
interval.
To complete an oil change, proceed as follows:
1. Run the engine for a few minutes to allow the oil in the
crankcase to warm up. Warm oil will flow more freely and
carry away more of the engine sediment which may have
settled at the bottom of the crankcase. Use care to avoid
burns from hot oil.
2. Open the tractor's hood and locate the oil drain port on
the right side of the engine.
3. Pop open the protective cap on the end of the oil drain
valve to expose the drain port. See Fig 6-1.
4. Remove the oil fill cap/ dipstick from the oil fill tube.
Figure 6-1
5. Push the oil drain hose (packed with this manual) onto the
oil drain port. Route the opposite end of the hose into an
appropriate oil collection container with at least a 2.5 quart
capacity, to collect the used oil.
6. Pinch the tabs on the oil drain valve, then pull outward to
begin draining oil. See Fig 6-1.
7. After the oil has finished draining, push the end of the oil
drain valve back in, until the tabs click into place. Re-cap
the end of the oil drain valve to keep debris from entering
the drain port.
8. Replace the oil filter as instructed in the separate engine
Owner's Manual.
9. Refill the engine with new oil. Refer to the engine Owner's
Manual for information regarding the proper volume and
weight of engine oil.
Air Cleaner
Service the pre-cleaner, if so equipped, and cartridge/air cleaner
element as instructed in the Engine Operator/Owner Manual
packed with your unit.
Spark Plug
The spark plug should be cleaned and the gap reset once a
season. Spark plug replacement is recommended at the start
of each mowing season. Refer to the Engine Operator/Owner
Manual for correct plug type and gap specifications.
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 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.
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.
Front Axles
Each end of the tractor's front pivot bar may be equipped with a
grease fitting. Lubricate with a grease gun after every 25 hours of
tractor operation.
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