Troy-Bilt 7 HP Technical Manual page 34

SECTION 6: Tiller Attachment Transmission
PTO HORSE MODEL
TECHNICAL MANUAL
Page 6-4 4/90
the Owner/Operator Manual for
instructions on how to remove the
bolo tine holders.
1. Remove the five bolts (1) and
nylon washers (2), if any, that
secure the tiller housing cover (3).
Discard the washers. Have a pan
ready to catch the gear oil that will
pour out when you remove the
housing cover in the next step.
2. Remove the housing cover by
gently tapping the right side of the
tine shaft inward with a soft mallet.
3. Discard the tiller housing
cover gasket(s) (4).
4. Use a soft mallet to strike
inward on the right side of the
tiller tine shaft (5). If necessary,
strike downward on the right side
of the shaft. This will collapse the
right side oil seal (6) and help the
tiller cluster to come out.
5. Remove the tiller tine shaft (5)
and the attached gear and bear-
ings from the tiller housing.
6. It is possible that you are re-
moving the tiller tine shaft as part
of the tiller drive shaft removal
procedure. Regardless of why you
are removing the tiller tine shaft,
you must replace the oil seals.
When you have the opportunity,
perform the following two steps.
a. Put the tiller housing cover on
an open vise so that the ends of
the cover are supported. Tap out
the oil seal (6) and discard it.
Note: Do not pryor tap directly
on the side of the cover. Doing so
could damage or score the bear-
ing cup or the inside of the cover.
b. Turn the transmission housing
on one side and tap out the oil
seal (6) from the right side of the
housing.
Note:
Be careful not to damage
or score the bearing cup or the
inside of the housing.
7. Remove the bearing cup (8)
from the right side of the tiller
housing, using a punch to drive
the cup inward. Be careful not to
damage the inside of the tiller
housing.
Note: You only need to remove
this bearing cup if you will be
using a new right side roller bear-
ing. If you replace a bearing you
must also replace the bearing cup.
Keep each bearing cup paired
with its bearing if you intend to
reuse them. Each bearing cup
wears differently according to its
bearing.
8. Use a punch to remove the
bearing cup from the housing
cover (only if you are installing a
new left side roller bearing).
9. To disassemble the gear and
bearing assembly:
a. Place the tiller tine shaft
assembly on an arbor press.
Figure 6-2: Tiller Attachment Tine Shaft Assembly.
'Ref No.9 washers (pIN 94017) are used
on Tiller Serial No. 0900038 and up. Tillers
equipped w·th these washers also use a
special Bro e Worm Gear (PIN 2675).
Woodruff Key (PIN 97067) and Bearing/-
Cup Assembly (PIN 11522).