Wheel Speed Shifting Problems - Troy-Bilt 7 HP Technical Manual

PTO HORSE MODEL
TECHNICAL MANUAL
Page 2-2 4/90
Wheel Speed
Shifting Problems
I
SECTION 2: Transmission Troubleshooting
Symptom Remedy
Wheel Speed Lever
•
Check the tension on on the Wheel Speed Lever's castle nut. See
drops out of fast speed.
"Tightening the Castle Nut On the Wheel Speed Lever" in Section 7 of this manual.
Wheel Speed Lever hard
•
Inspect the Wheel Speed Lever:
to shift.
• Lubricate the Wheel Speed Lever linkage where the connecting rod joins the
shift lever and the connecting rod swivel.
• The connecting rod at the bottom of the lever may be backwards or bent in
towards the transmission and hitting it.
• Lubricate the washers and castle nut on the pivot point of the lever.
• Check the tension on the Wheel Speed Lever's castle nut. See "Tightening
the Castle Nut On the Wheel Speed Lever" in Section 7 of this manual.
•
Check if the clutch is binding on the wheel shaft. See "Testing for a Bubbled Wheel
Shaft" in Section 7 of this manual.
Wheel Speed Lever
•
Check if the clutch is binding on the wheel shaft. See "Testing for a Bubbled
moves into slow speed
Wheel Shaft" in Section 7 of this manual.
but not into fast.
Wheel Speed Lever moves
•
Disconnect the shift linkage from the eccentric lever and try moving the
freely but the transmission
eccentric lever by hand. If the lever rotates 360 degrees around the eccentric shaft,
does not shift out of or
the spirol pin that connects the lever and the shaft is broken or missing. Replace
into fast or slow speed.
the spirol pin. If the lever and the shaft together rotate 360 degrees, the shaft is
broken and must be replaced. (Although rare, the eccentric shifting pin could be
broken or missing, which would also result in the lever and shaft being able to
rotate a full 360 degrees.)