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Troy-Bilt 664D-Pony Operator's Manual page 20

Rear-tine tiller
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L
_Before
inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to
come to a complete stop, disconnect spark plug wire and move wire away from spark plug. I
Remove the key from the keyswitch on units so equipped.
I
Failure to follow these instructionscan result in serious personal injury or property damage.
J
WHEELGEARCABLEADJUSTMENT
When the Wheel Gear Lever is in DISEN-
GAGE,the wheels will roll freely (free-
wheel). The wheels should not roll freely
when the lever is in ENGAGE.If the
wheels roll freely when the Wheel Gear
Lever is in ENGAGE, t he wheel gear cable
needsto be adjusted as described below.
1. With the engine shut off and the spark
plugwire disconnected, put the Wheel
Gear Lever in ENGAGE.
2. Loosen the top adjustment nut (A,
Figure 5-4) on the wheel gear cable
bracket that is located on the left side rear
of the transmission.
3. Push the wheel gear cable (B) down
and roll the tiller slightly forward or back-
ward until the eccentric lever (C) engages
(locks) the wheels. Hold the cable in that
position and tighten the top (A) and
bottom (D) adjustment nuts.
4. Move the Wheel Gear Leverto
ENGAGE and DISENGAGE several times
to check the adjustment. The wheels
should not roll when the lever is in
ENGAGE, but they should roll when the
lever is in DISENGAGE.Readjustthe
cable as required.
Figure5-4: Wheel g earcableassembly.
OFF SEASONSTORAGE
When the tiller won't be used for
extended periods, prepare it for storage
as follows:
1. Cleanthe tiller and engine.
2. Do routine tiller lubrication and check
for loose parts and hardware.
3. Protect the engine and perform recom-
mendedengine maintenanceby following
the engine storage instructions found in
the separate Engine Owner's Manual.
NOTE:Be sure to protect the fuel lines,
carburetor and fuel tank from gum
deposits by removing fuel or by treating
fuel with a fuel stabilizer (follow engine
manufacturer's recommendations).
4. On electric start units, follow "Battery
Storage" instructions in this Section.
5. Store unit in a clean, dry area.
6. Never store the tiller with fuel in the
fuel tank in an enclosed area where gas
fumes could reachan open flame or
spark, or where ignition sources are
present (space heaters, hot water heaters,
furnaces, etc.).
BOLOTINES
The tines will wear with useand should
be inspectedat the beginning of each
tilling season and after every 30 operating
hours. Tines can be replaced individually
or as a complete set. Never inspect or
servicethe tines unless the engine is
stopped, the spark plug wire is discon-
nected,and the ignition key is removed
on electric start models.
A. Tine Inspection:
With use, the tines will become shorter,
narrower and pointed (Figure 5-5). Badly
worn tines will result in a loss of tilling
depth and reduced effectivenesswhen
chopping up and turning under organic
matter. Use Figure 5-5 as a guide to
when the tines should be replaced.
.......
Moderate Wear
Replace
Figure 5-5: Checking tinesforwear.
B. Removinga Single Tine:
1. Removethe two screws and nuts that
attach a single tine to the tine holder
(Figure 5-6). If needed,use penetrating
oil to help free the nuts.
2. When installing a single tine, be sure
to position it so that its cutting edge will
enter the soil first as the tiller moves
forward.
C. Removinga Tine Assembly:
1. If removing both tine assemblies, mark
them "left" and "right" before removal.
Doing so will help ensure that the assem-
blies are reinstalled on the correct sides
of the tiller.
2. Removethe screw and Iocknut that
secure the tine assembly to the tine shaft
(Photo 5-7). Pull the tine assembly off
the shaft (if necessary,use a rubber
mallet to tap the tine assembly outward).
3. Before reinstalling the tine assembly,
inspect the tine shaft for rust, rough
spots or burrs and file or sand as needed.
Apply a thin coat of greaseto the shaft.
4. Install each tine assembly so that the
cutting edge of the tines will enter the
soil first when the tiller moves forward.
Secure the tine assembly to the tine shaft
using the screw and Iocknut previously
removed. Tighten securely.

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