Troy-Bilt 12069-7HP - Manual (Page 56)

After every 10 operating hours,
remove the left- and right-side
Bolo Tine holders and clear away
dirt and debris that have accumu­
TINE SHAFT MAINTENANCE lated on the tine shaft or inside the
tine holders. Please follow this
maintenance recommendation, as
debris can cause premature wear to
the tine shaft and its oil seals.
Refer to the previous tine holder
removal instructions (see previous
page). After cleaning away any
debris and removing old grease
from the tine shaft, apply fresh
grease to the tine shaft.
TIRE AND WHEEL MAINTENANCE
Check tire air pressure every 30
operating hours. The recom­
mended pressure for tilling is 10-
to-20 psi (pounds per square inch).
Both tires should be inflated
equally. (Unequal pressure can
cause the tiller to pull to one side.)
WARNING
To help avoid personal injury,
stop the engine, wait for all
moving parts to come to a
complete stop, remove the
electric start key, disconnect
the spark plug wire and move
the wire away from the spark
plug, and let the engine and
muffler cool before removing
or replacing the wheels.
Removing the Wheels
Each wheel is secured by a roll
(spirol) pin that passes through the
ENGINE OIL MAINTENANCE
Change engine oil after first five
(5) hours of new operation. There­
after, change the oil every ten (10)
operating hours. This may be
more often than your engine manu­
facturer literature recommends,
however your tiller may be operat­
ing in dirty or very dusty condi­
tions.
Follow engine manufacturer lit­
erature for specific oil changing
procedure, quantity of oil, and par­
ticular grade and viscosity of oil to
use in your engine. Locations to
check the oil level and to drain the
oil are shown at right. Note that
there are two oil fill plugs (one on
each side) on the 7HP Briggs &
Stratton recoil start engine.
wheel hub and the wheel shaft.
Drive the roll pin out to remove a
wheel.
1. Prop the transmission up with a
sturdy block to raise the wheel you
want to remove off the ground.
2. Move the Wheel Speed Lever
to either SLOW or FAST position
to prevent the wheels from turning.
3. Use a 5/16" drift pin (or a blunt
point 16-penny nail) to drive the
roll pin free. See Photo 5-34.
WARNING
Wear safety goggles when
driving the roll pin into or
from the wheel hub to protect
your eyes from the possibility
of flying metal particles.
Photo 5-34: Drive roll pin out to re­
move wheel. Grease wheel shaft
before replacing wheel.
Figure 5-35: Oil fill plug on 7HP
Briggs & Stratton engine. Figure 5-37: Oil drain plug location
on 7HP Briggs & Stratton engine.
fi-
Photo 5-36: Checking oil level on
8HP Kohler engine. Photo 5-38: Location of oil drain
plug on 8HP Kohler engine.
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