Troy-Bilt 7 HP Technical Manual page 12

PTO HORSE MODEL
TECHNICAL MANUAL
Page 2-6 4/90
Oil Leaks
SECTION 2: Transmission Trouleshooting
Symptom
Remedy
Oil leaks from the front oil seal
•
Replace a worn or damaged oil seal and check for play in the shaft.
on the power unit drive shaft.
•
Apply a layer of non-hardening gasket sealer to each of the front bearing cap bolts
Oil could appear in the base of
and tighten the bolts.
the motor mount under the
pulley. (Make sure this is not
•
Replace a worn or damaged gasket.
an oil leak from the neutral
Make sure the leak is at the front oil seal. You could be seeing oil that leaked from
•
plunger assembly, which is an
the engine air cleaner, power unit housing cover, or engine seal.
oil relief point.)
•
Check the transmission gear oil level when the unit is cold. If overfilled, drain it to
the proper level.
Oil leaks from the handlebar
•
Loosen and remove the oil level check plug to make sure the oil level is correct.
base or the bottom of the If the transmission is overfilled, let the excess oil drain out.
reverse spring and plunger
•
See if oil is leaking from the neutral plunger. If oil is leaking from here, take no
assembly.
action; the neutral plunger is an oil relief point.
Oil is leaking from the
•
Replace the oil seal.
eccentric shaft and lever.
Oil is leaking from any
•
Remove the pipe plug and apply a layer of non-hardening gasket sealer. Then
pipe plug in the transmis- re-install the plug.
sion housing.
•
Check to see if the plug is cross-threaded.
Oil is leaking between
•
Tighten the housing cover bolts.
the power unit housing cover
•
Replace the gasket.
and the housing.
•
A special transmission cover gasket (Part No. 9260) may be required if the leak
continues.