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TROUBLESHOOTING

GEAR DISENGAGEMENT (JUMPING OUT OF GEAR)

Probable CauseRemedy a.Excessive weight and/or length of gear shift lever and/or knob a.Replace with standard lever and/or knob. b.Shift lever interferenceb.Remove interference. c.Improperly adjusted remote control linkagec.Adjust properly. d.Worn or loose mounting insulatorsd.Replace insulators. e.Loose, broken or missing capscrews between clutch housing and flywheel housing e.Replace capscrews, check threads in case. f.Weak or broken shifter rail poppet springsf.Replace springs. g.Bent or worn shifter forksg.Replace forks. h.Broken snap ringsh.Replace snap rings. i.Shift rail bent or poppet notches worni.Replace shift rail. j.Worn taper or chipped teeth on sliding clutch teethj.Replace sliding clutch and mating gear if its clutch teeth are damaged. k.Worn or damaged spigot bearingk.Replace bearing. l.Engine flywheel housing misalignmentl.Realign properly. m.Chassis resonant ridem.Correct resonance.

Oil Leaks

Probable CauseRemedy a.Oil level too higha.Drain to correct level. b.Drain plug, fill plug or magnetic filter plug looseb.Tighten plugs. c.Loose or missing capscrewsc.Tighten or replace. d.Improper lubricant usedd.Drain and refill with correct oil. e.Clogged air breathere.Clean or replace. f.Gaskets or O-rings broken, shifted or squeezed out of position f.Replace gaskets or O-rings. g.Worn oil sealsg.Replace seals. h.O-rings in air shift cylinder or cover leaking air pressure into transmission h.Replace O-rings.

Bearing Failure

Probable CauseRemedy a.Dirt in systema.Clean system, replace bearings as needed, flush and refill with clean lubricant. b.Wrong grade of oil, or contaminated oilb.Clean system, replace bearings as needed, flush and refill with clean lubricant. c.Excessive vibrationsc.Eliminate vibrations, replace bearings. d.Binding or seized propeller shaft slip yoked.Clean and replace as needed. e.Improper bearing clampinge.Replace bearings and re-clamp using correct procedures. f.Improper bearing installation (preloads, etc.)f.Replace using correct procedures.

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