Troy-Bilt Horse Tiller Technical Manual - Page 10

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