Troy-Bilt Horse Tiller Technical Manual - Page 14

Transmission, Removal, Installation

Page 14 highlights

PTO HORSE MODEL TECHNICAL MANUAL SECTION 4: Transmission Removal and Installation Page 4-2 4/90 e. Remove the two mounting bolts and lockwashers that secure the legs of the battery bracket to the transmission cover and remove the bracket. 3. Remove the forward bolt on the right side of the shift lever bracket. Remove the Forward Interlock Wire Harness plug connector with bracket (2) on tillers so equipped. 4. Wrap the engine half of the Forward Interlock Wire Harness assembly (on tillers so equipped) around the engine. 5. Remove the throttle control and cable (3) from the handlebar. 6. Remove the bolt (4) at the forward end of each side of the yoke. These are the bolts that attach the yoke to the engine mount. After you remove these bolts, pull the yoke back. Note: Take care to recover the bushing in each side of the yoke. 7. Remove the bumper/guard attachment. Or, remove the red plugs in the top of the engine mounting bars (5) if a bumper is not attached. 8. Loosen the jam nut on the bolt (6) that retains the engine mounting bar on each side of the PTO power unit. Then remove the bolt from each side. 9. Support the weight of the engine by placing a block under the engine. This is necessary to prevent the engine from falling off when you remove the final engine mounting bar. 10. Lubricate both engine mounting bars. Then, using a punch and taking care to not damage the threads in the top of the engine mounting bars, knock one of the engine mounting bars down and out of the transmission housing and motor mount. 5 8 3 12 14 13 N 11 10 Figure 4-2: Transmission Removal and Installation. 11. Remove the other engine mounting bar. 12. Remove the engine from the tiller. 13. Remove the two final bolts (7) that hold the yoke pivot links to the PTO power unit and remove the yoke. Note: Take care to recover the bushing in each side of the yoke. 14. Remove the bolt (8) or T-handle that holds the handlebar mounting base to the transmission housing cover and remove the base and the attached handlebars. 15. Remove the bolt (9) that holds the Tines/PTO Clutch Lever knob (12) to the lever. Then remove the knob. 16. Remove the locknut that retains the wheel speed lever connecting rod swivel to the eccentric lever (10). 17. Remove the two final bolts from the shift lever bracket (11), one from the top left side and one from the right side. Then remove the bracket along with the attached Wheel Speed Lever and I Tines/PTO Clutch Lever detent shifting plate (15). 18. Remove the wheels from the wheel shaft. See the Owner/Operator Manual for instructions. Or, if the wheel is rusted on the shaft, see "Removing a Rusted Wheel" in Section 7 of this manual. Separating the Transmissions 1. Put the transmission (PTO power unit and tiller attachment assembly) on the floor, a workbench, or other surface that is comfortable for you. 2. Loosen the swing bolts (shown in Figure 4-1) that join the PTO power unit and tiller attachment. 3. Swing the bolts off the tiller attachment. 4. Separate the PTO power unit from the tiller attachment.

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PTO
HORSE
MODEL
TECHNICAL
MANUAL
Page
4-2
4/90
SECTION
4:
Transmission
Removal
and
Installation
e.
Remove
the
two
mounting
bolts
and
lockwashers
that
secure
the
legs
of
the
battery
bracket
to
the
transmission
cover
and
remove
the
bracket.
3.
Remove
the
forward
bolt
on
the
right
side
of
the
shift
lever
bracket.
Remove
the
Forward
Interlock
Wire
Harness
plug
con-
nector
with
bracket
(2)
on
tillers
so
equipped.
4.
Wrap
the
engine
half
of
the
Forward
Interlock
Wire
Harness
assembly
(on
tillers
so
equipped)
around
the
engine.
5.
Remove
the
throttle
control
and
cable
(3)
from
the
handlebar.
6.
Remove
the
bolt
(4)
at
the
forward
end
of
each
side
of
the
yoke.
These
are
the
bolts
that
at-
tach
the
yoke
to
the
engine
mount.
After
you
remove
these
bolts,
pull
the
yoke
back.
Note:
Take
care
to
recover
the
bushing
in
each
side
of
the
yoke.
7.
Remove
the
bumper/guard
attachment.
Or,
remove
the
red
plugs
in
the
top
of
the
engine
mounting
bars
(5)
if
a
bumper
is
not
attached.
8.
Loosen
the
jam
nut
on
the
bolt
(6)
that
retains
the
engine
mount-
ing
bar
on
each
side
of
the
PTO
power
unit.
Then
remove
the
bolt
from
each
side.
9.
Support
the
weight
of
the
engine
by
placing
a
block
under
the
engine.
This
is
necessary
to
prevent
the
engine
from
falling
off
when
you
remove
the
final
engine
mounting
bar.
10.
Lubricate
both
engine
mount-
ing
bars.
Then,
using
a
punch
and
taking
care
to
not
damage
the
threads
in
the
top
of
the
engine
mounting
bars,
knock
one
of
the
engine
mounting
bars
down
and
out
of
the
transmission
housing
and
motor
mount.
3
5
8
12
13
11
10
Figure
4-2:
Transmission
Removal
and
Installation.
N
14
11.
Remove
the
other
engine
mounting
bar.
12.
Remove
the
engine
from
the
tiller.
13.
Remove
the
two
final
bolts
(7)
that
hold
the
yoke
pivot
links
to
the
PTO
power
unit
and
remove
the
yoke.
Note:
Take
care
to
recover
the
bushing
in
each
side
of
the
yoke.
14.
Remove
the
bolt
(8)
or
T
-handle
that
holds
the
handlebar
mounting
base
to
the
transmission
housing
cover
and
remove
the
base
and
the
attached
handlebars.
15.
Remove
the
bolt
(9)
that
holds
the
Tines/PTO
Clutch
Lever
knob
(12)
to
the
lever.
Then
remove
the
knob.
16.
Remove
the
locknut
that
retains
the
wheel
speed
lever
con-
necting
rod
swivel
to
the
eccentric
lever
(10).
17.
Remove
the
two
final
bolts
from
the
shift
lever
bracket
(11),
one
from
the
top
left
side
and
one
from
the
right
side.
Then
remove
the
bracket
along
with
the
attached
Wheel
Speed
Lever
and
I
Tines/PTO
Clutch
Lever
detent
shifting
plate
(15).
18.
Remove
the
wheels
from
the
wheel
shaft.
See
the
Owner/Oper-
ator
Manual
for
instructions.
Or,
if
the
wheel
is
rusted
on
the
shaft,
see
"Removing
a
Rusted
Wheel"
in
Section
7
of
this
manual.
Separating
the
Transmissions
1.
Put
the
transmission
(PTO
power
unit
and
tiller
attachment
assembly)
on
the
floor,
a
work-
bench,
or
other
surface
that
is
comfortable
for
you.
2.
Loosen
the
swing
bolts
(shown
in
Figure
4-1)
that
join
the
PTO
power
unit
and
tiller
attachment.
3.
Swing
the
bolts
off
the
tiller
attachment.
4.
Separate
the
PTO
power
unit
from
the
tiller
attachment.