Troy-Bilt 8 HP - Manual (Page 40)

Tiller lubrication
A
WARNING
To help avoid personal injury, stop
the engine, remove the electric start
key, disconnect the spark plug
wire, and let the engine and muf­
fler cool before inspecting or lubri­
cating the tiller.
Proper lubrication of the tiller’s
mechanical parts is an essential
part of your maintenance program.
Lubrication should be done after
every 10 hours of operation.
Use ordinary motor oil (#30
weight, or lighter) where oil is
called for. Use a good quality
grease that contains a metal lubri­
cant; however, regular grease is
acceptable. Do not over lubricate!
Excess lubricant merely collects
dirt which can cause wear to mov­
ing parts. If you notice a build up
of dirt, clean the area and reapply
fresh oil or grease.
IMPORTANT
Do not permit oil or grease to come
in contact with the pulleys, the
drive belt, or the reverse disc. Do­
ing so will cause the belt or disc to
slip on the pulleys.
The following numbers refer to
the numbered lubrication points
shown in Photos 6-3 and 6-4.
!'
i
1. Oil the wheel shaft between the
wheel hubs and the transmission
housing (Photo 6-4).
2. Oil all of the pivoting and con­
necting points on the Wheels/Tines/
PTO Drive Lever and the Wheel
Speed Lever (Photo 6-4). If Wheel
Speed Lever has a grease fitting on
pivot assembly, apply 2-3 strokes of
multi-purpose grease at beginning
and end of tilling season.
3. Grease the face of the belt ad­
justment block (Photo 6-4).
4. Oil the back and sides of the
Depth Regulator Lever, including
the spring in the mounting bracket
(Photo 6-4).
5. Oil the entire length of the throttle
cable casing, starting up at the
Engine Throttle Lever and going all
the way down to the engine
(Photo 6-4).
6. Oil the threads on the Handlebar
Height Adjustment Lever
(Photo 6-4).
7. Grease the left and right side
engine mounting bars at the top, in
the middle, and at the bottom
(Photo 6-4).
8. Maintain a good supply of grease
inside the PTO (Power Take-Off)
access hole (Photo 6-3). If the
Tines/PTO Clutch Lever is hard to
shift, squirt some oil into the access
hole and move the lever back and
forth, trying to work the oil in
between the PTO coupling and the
sides of the housing. Call our
Technical Service Department if the
problem persists.
6-3: Use plenty of grease in PTO
access hole.
IV’ansmission gear oil
maintenance
A
WARNING
To help avoid personal injury, stop
the engine, remove the electric
start key, disconnect the spark plug
wire, and let the engine and muf­
fler cool before inspecting or serv­
icing the tiller.
A. Checking for oil leaks
At every 25 hours of operation
you should check your tiller for oil
leaks. Look for accumulations of
dirty oil on the tiller or on the floor
where you’ve parked the tiller.
A little seepage or wetness
around a shaft opening or cover is
nothing to be alarmed about. How­
ever, if there is a heavy accumula­
tion of oil, or if oil drips while sitting
overnight, then you should replace
the worn seal or gasket right away
(first try tightening any loose
screws or bolts).
If you’re not sure how much oil
has been lost, then be sure to
cheok the oil level before operat­
ing the tiller again. Operating the
tiller when the power unit or tine
attachment transmission oil levels
are low can result in serious dam­
age to the transmissions.
When tilling during very hot
weather, the gear oil may heat up
and expand inside the transmis­
sions. To allow for this oil ex­
pansion, both the power unit
transmission and the fine attach­
ment transmission have been
equipped with oil relief vents (see
Figure 6-5). These vents allow small
6-4: Tiller lubrication points (wheel removed for photo clarity only).
38