Troy-Bilt 7 HP - Transmission Removal and Installation; Removal

SECTION 4: Transmission Removal and Installation
PTO HORSE MODEL
TECHNICAL MANUAL
Page 4-1 4/90
WARNING: When servicing the machine, prevent uninten-
tional starting of the engine by disconnecting the spark plug
wire and keeping the wire away from the spark plug. Place
the engine throttle control in the OFF position and shift the
WheelslTines/PTO Drive Lever into NEUTRAL.
The PTO Horse Model
transmission consists of two
separate transmission
assemblies: the PTO Power
Unit transmission and the
Tiller Attachment transmis-
sion (see Figure 4-1). The
transmission housings are
held together by a locking
collar, a dowel pin and two
swing-bolts.
The PTO Power Unit trans-
mission and the Tiller Attach-
ment transmission can be
removed from the tiller
as a
complete assembly by fol-
lowing the instructions in this
section. Use Figure 4-2
as a
reference for part locations
in these instructions.
If only the Tiller Attachment
transmission needs to be
removed from the tiller, refer
to the Owner/Operator
Manual for instructions on
how to remove the transmis-
sion when the tiller
is fully
assembled.
WHEEL SHAFT ---,~
A DANGER
The battery produces in-
flammable and explosive
hydrogen gas and the elec-
trolyte solution contains
poisonous and corrosive
sulfuric acid. To avoid in-
jury, carefully follow the
safety precautions in the
Owner/Operator Manual
when removing and install-
ing the battery.
SWING·
BOLTS
Transmission Removal
1. On tillers equipped with the
Operator Presence Control For-
ward Interlock System (S/N
857307 and up). disconnect the
Forward Interlock Wire Harness
assembly
(1) located on the right
side of the handlebar base.
2. For electric start tillers only:
a. Remove the battery as de-
scribed
in the Owner/Operator
Manual.
b. Disconnect the red starter
cable from the starter motor on
the engine.
c. Disconnect the recharging
wire that leads from the keyswitch
wire harness to the engine.
d. For Briggs & Stratton engines
only: Disconnect the green shutoff
wire on the right side of the
engine.
TILLER ATTACHMENT
Figure 4-1: PTO Power Unit Transmission and Tiller Attachment Transmission.