Pta Power Unit Housing Cover; Removal - Troy-Bilt 7 HP Technical Manual

SECTION 5: PTO Power Unit Transmission
PTO HORSE MODEL
TECHNICAL MANUAL
Page 5-1 4/90
The following subsections
explain how to service
various items on the PTO
Horse Model Power Unit
Transmission.
r1' t
t14
15
Figure 5-1: PTa Power Unit Housing Cover.
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
Wheels/Tines/PTa Drive Lever into NEUTRAL.
5~C
6
~
. - - - - - - - - - - - - - - {
~
/11 "
~
e'
PTa Power Unit
Housing Cover
These instructions describe how
to service the PTO power unit
housing cover. Use Figure 5-1 as a
reference for part locations in
these instructions.
Removal
1. Remove the bolt (1) that holds
the Tines/PTO Clutch Lever knob
(2) to the Tines/PTO Clutch Lever.
Then remove the knob.
2. Remove the two bolts (3) and
washers (if present) from the top
of the shift lever bracket (4).
3. Remove the bolt (5), lock-
washer (if present), and the
washer (6) from the side of the
shift lever bracket.
4. Remove the shift lever bracket.
5. Remove the locknut (7) that
holds the speed shift lever con-
necting rod swivel (see inset) (8)
to the eccentric lever (9).
6. Separate the tiller attachment
from the PTO power unit. See
"Separating the PTO Power Unit
and Tiller Attachment Transmis-
sion Assembly" in Section 4 for
instructions.
7. Set the PTO power unit on a
bench or other comfortable work
area.
8. If necessary, drain the trans-
mission gear oil from the PTO
power unit by loosening and re-
moving the oil drain plug, which is
located below the wheel shaft on
the left side of the transmission
housing. After the oil is drained,
apply a coating of non-hardening
gasket sealer on the threads and
reinstall the oil plug. If the plug is
damaged, use a new plug.
9. Remove the remaining two
bolts (3) and lockwashers (if pres-
ent) that secure the PTO power
unit housing cover (11), and
remove the cover.
10. Discard the gasket (12).