Transmission Troubleshooting; Forward And Reverse Shifting Problems; Wheels And/Or Tines Do Not Turn - Troy-Bilt JUNIOR Technical Manual

SECTION 2: Transmission Troubleshooting
JUNIOR, PONY & ECONO-HORSE
TECHNICAL MANUAL
Page 2-1 5/90
The following charts list the
most common problems expe-
rienced with the tiller drive
train. Symptoms of problems
are listed along with possible
remedies. If following the
repair procedures does not
correct the problem. call the
TROY-SILT Tiller Technical
Service Department at TOLL-
FREE: 1-800-833-6990.
Forward and Reverse
Shifting Problems
A
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 disengage
the Maneuvering Clutch and the Forward Clutch.
Symptom Remedy
Forward Clutch or maneu- The pivot bolt on the Forward/Reverse Idler Assembly may be:
vering Clutch shifting levers
• over-tightened
~
do not engage or disengage.
• rusted
• broken
• misaligned
Wheels and/or Tines Do Not
Turn
Symptom Remedy
Wheels turn but the tines do
• The rear bearing on the drive shaft may have failed.
not.
• One or both of the bearings on the tiller tine shaft may have failed.
• The bronze worm gear on the tiller tine shaft may be damaged.
Wheels do not turn but the
For the Econo-Horse and Pony models:
tines do. • The clutch cable may be frozen, broken, kinked or out of adjustment.
• The bolt at the end of the eccentric shaft lever may be loose.
• The eccentric lever may be broken.
• The dogs on the wheel shaft clutch may be broken or severely worn.
• The teeth on the wheel shaft worm gear may be broken or severely worn.
For the Econo-Horse, Pony and Junior models:
• The teeth on the wheel shaft worm gear may be broken or severely worn.
• The drive shaft worm gear may be severely worn.
• On the Junior model only, the wheel drive pin may not be engaged through the wheel hubs.
Wheels and tines do not
• Check the tension on the drive belts (see Owner/Operator Manual).
turn.
• Make sure the bolt that holds the transmission drive pulley is tightened. the washer is pre-
sent, and the transmission pulley key is installed.