Belt Replacement - Troy-Bilt Series 390 Operator's Manual

Front tine tiller
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Off-Season Storage
When the tiller won't be used for an extended period, prepare it
for storage as follows:
1.
Clean the tiller and engine.
2.
Routinely lubricate tiller and check for loose parts and
hardware.
3.
Change the engine oil and filter following the instructions
provided in the engine manual packed with this manual.
WARNING!
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.
4.
If storing the tiller for 30 days or more:
a.
To prevent gum deposits from forming inside
the engine's carburetor and causing possible
malfunction of the engine, the fuel system must be
either completely emptied, or the gasoline must be
treated with a stabilizer to prevent deterioration.
WARNING!
and will cause serious starting problems.
Using a fuel stabilizer such as STA-BIL® for storage
b.
between 30 and 90 days:
Read the product manufacturer's instructions
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.
c.
Emptying the fuel system for storage of more than
90 days:
Prior to putting the tiller in storage, monitor
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.
5.
Store the tiller in a clean, dry area.
6.
Never store the tiller with fuel in the fuel tank in an
enclosed area where gas fumes could reach an open flame
or spark, or where ignition sources are present (space
heaters, hot water heaters, furnaces, etc.).
14
S
5— M
ection
aintenance
Never store the tiller with fuel in the
Fuel left in the fuel tank deteriorates
& S
ervice

Belt Replacement

Reverse Drive Belt
Your tiller has been engineered with a belt made of special
material (Kevlar Tensile) for longer life and better performance. It
should not be replaced with an off-the-shelf belt. Order all belts
through you authorized service dealer.
1.
Disconnect and ground the spark plug wire against the engine.
2.
Remove the belt cover from the left side of the tiller by
removing the two self-tapping screws and the hex stop nut
and washer. See Figure 5-1.
Cap Lock Nut
Self-tapping Screws
Figure 5-1
3.
Remove the belt from the transmission pulley and then
from around the reverse idler pulley. See Figure 5-2.
Reverse Idler
Pulley
Engine Pulley
Figure 5-2
4.
To reassemble the new belt, follow the instructions in
reverse order. Be sure to place the wider side of the belt
against the transmission and the idler pulley while the
slimmer side goes over the engine pulley. See Figure 5-2.
& Washer
Transmission
Pulley

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