Troy-Bilt ZT50 Lawn Mower User Manual


 
23se c t i O n 6 — Ma i n t e n a n c e & ad j u s t M e n t s
Battery Storage
When storing the tractor for extended periods, disconnect 
the negative battery cable. It is not necessary to remove
the battery.
All batteries discharge during storage. Keep the exterior 2.
of the battery clean, especially the top. A dirty battery will
discharge more rapidly.
The battery must be stored with a full charge. A discharged 3.
battery can freeze sooner than a charged battery. A fully
charged battery will store longer in cold temperatures than hot.
Recharge the battery before returning to service. Although 
the tractor may start, the engine charging system may not
fully recharge the battery.
Tractor Storage
If your tractor is not going to be operated for an extended period
of time (thirty days to approximately six months), the tractor should
be prepared for storage. Store the tractor in a dry and protected
location. If stored outside, cover the tractor (including the tires) to
protect it from the elements. The procedures outlined below should
be performed whenever the tractor is placed in storage.
Change the engine oil and filter following the instructions 
provided in the engine manual packed with this manual.
Never store the tractor with fuel in the
tank indoors or in poorly ventilated enclosures, where
fuel fumes may reach an open flame, spark or pilot
light as on a furnace, water heater, clothes dryer, etc.
If storing the tractor for 30 days or more:2.
To prevent gum deposits from forming inside a.

malfunction of the engine, the fuel system must be
either completely emptied, or the gasoline must be
treated with a stabilizer to prevent deterioration.
Fuel left in the fuel tank deteriorates
and will cause serious starting problems.
Using a fuel stabilizer:b.

and recommendations.
Add to clean, fresh gasoline the correct 
amount of stabilizer for the capacity
(approximately 3 gallons) of the fuel system.
Fill the fuel tank with treated fuel and run the 
engine for 2-3 minutes to get stabilized fuel
into the carburetor.
Emptying the fuel system:c.

fuel consumption with the goal of running
the fuel tank empty.
Run the engine until it begins to stall. Use the 
choke to keep the engine running until all fuel
in the carburetor has been exhausted.
Referring to the engine manual, drain the fuel 
from the carburetor bowl.
Clean the engine and the entire tractor thoroughly.3.
Fully charge the battery, then disconnect the negative 
cable at the battery to prevent possible discharge.
Recharge the battery periodically when in storage.
NOTE: Remove the battery if exposed to prolonged periods
of sub-freezing temperatures. Store in a cool, dry location
where temperatures are above freezing.
Lubricate all lubrication points.5.
NOTE: Use a pressure washer or garden hose is not
recommended to clean your tractor. They may cause
damage to electrical components, spindles, pulleys,
bearings or the engine. The use of water will result in
shortened life and reduce serviceability.
Removing The Tractor From Storage
Check the engine oil.
Fully charge the battery and inflate the tires to the 2.
recommended pressure.
If drained before storing, fill the fuel tank with clean, fresh 3.
gasoline.
Add clean, fresh fuel.
Start the engine and allow to idle for a few minutes to 5.
ensure engine is operating properly.
Drive the tractor without a load to make certain all the 
tractor systems are functioning properly.