Troy-Bilt Horse Owner's Manual page 170

6. Wheels Turn, But Tines Won't
9. Engine Runs Well
with
nci
LbM,
But Labors when Tilling.-
, j
-Possible worn bronze worm gear, part #1064, and loosec
drive shaft and bearing (on well used tiller).
-Tilling depth possibly too deep, lower adjustment bar.
-Check engine governor linkage for freedom of movement.
-Check throttle setting and carburetor adjustment
WHAT TO DO
&
REFERENCE
- (For assembled drive shaft only.) Key, part #9301, possible
missing from front worm, part #1220. Remove top transmis-
sion cover and check front worm. If you canturnworm alone
by hand key is missing.
- (For welded and assembled drive shafts)-possible Hi-
Pro key, part #9305, out of wheel shaft. Drain '/2 gear oil out
to make the check. Remove top cover from transmission
and spin the #1237 clutch spool. If it spins freely, the key is
missing. Request wheel shaft removal instructions and in-
stall a new #9305 Hi-Pro key.
-Possible missing keys at either rear worm, part #1063 (as-
sembled shaft only), bronze tiller worm gear, or tiller shaft
(part #1 026). Before proceeding further, tilt the tiller up on its
engine, and put the Forward/Reverse Lever i(l Forward and
the Wheel Speed Shift Levereither in High or Low. Try to ro-
tate tines by hand. A key is missing if you can rotate them
-To check keys on tiller shaft, remove tines and look for
missing keys. ~
-To check an assembled shaft for a missing rear worm key,
remove the side cover and rotate the tiller shaft with a hand
on each side of the shaft. If the gear and worm turn, but the
transmission pUlley does not, then worm key, part #9301,
is missing (all controls in Neutral).
-To check for missing key in bronze tiller worm gear, the
tiller shaft assembly will have to be removed from the tiller
housing. See "tiller shaft removal" in Section 8. . .
~
.
,
-Possible missing key in lower pulley, part #1008-1. (Front
end quite noisy, belts might overheat).
-Belts possibly loose ar:'ld needs adjusting. (Noise not a
factor.)
-Depth
Regul~tor
set too deep for soil conditions.
-Throttle speed too high. . •
-Shift to low
wh~el
speed. .
:~41
I , '"
'w,
' - -Lubricate its spring and plunger and depth adjustment
bar.
i".
-Check for bent depth adjustment bar.
I'.i
-Loosen stud and lubricate stu threads and nut. Check
both for stri'pped threads.
PROBLEM
5. Tines Will Turn,
But Wheels Won't Turn
(Speed Shift Lever Goes
Into Either Gear)
7. Wheels and Tines Turn on Top
of Ground, But Stop or Hesitate
in Soil.
10. Depth Regulator Hard
To Move Up or DoWn
'11.
Can't Turn Lever
To Lower Handlebar
I . .
Tille' Jump. during Tilling
168
12. Wheel and Axle Move Out
To One Side.
-Snap ring' is out of its groove in wheel shaft, part #123.5.
Check for play in axle. Wheel bushing should be flush with
oasting. Shim bushing to remove play before replacing
snap ring. Leave very little play in shaft. Shim and replace
oil seal.