BlueBird SC550A_968999351 - Manual (Page 39)

39
TROUBLESHOOTING
Transmission shaft broke 1. Ensure debris is not caught in the Transmission Chain or
wrapped around the transmission output shaft.
2. Ensure the unit has a Skid Pan installed.
3. Contact your servicing dealer.
Drive wheels won’t engage 1. Ensure the Drive Chain is on all sprockets.
2. Ensure the Transmission Chain is on all sprockets.
3. Ensure the Chain Idler Spring is attached.
4. Verifiy the Shift Linkage is attached at the Shift Lever and at
the Bell Crank and Rod End is attached at Bell Crank and
Transmission Arm.
5. Check sprockets for proper alignment.
Unit jumps out of gear 1. Adjust Shift linkage. Tighten Shift Lever Pivot Bolt to hold
shift lever in place.
Bushings on depth control assembly 1. The bushings are wearable items.
are wearing quickly.
2. Be sure the maximum RPM is set correctly at 3000. See
Technical Bulletin Throttle Cable Adjustment.
Right Angle T-drive leaking 1. Contact your local Tecumseh dealer or servicing dealer.
What RPM should my 1. 3000 RPM maximum.
engine be set to?
Chain (Drive) is coming off, The Transmission Output Sprocket is a fixed (non adjustable)
drive sprocket wearing sprocket which is splined and snap-ringed in place.
1. Replace the Tensioner Sprocket if it has a bent or twisted
bracket or bent teeth.
2. Check chain tension between Axle Sprockets (1/4” - 3/8”
deflection at mid-span).
PROBLEM ANSWER/COMMENT
WARNING: Before servicing unit, engine MUST be off.
Pulleys not staying tight or coming 1. Inspect shaft, pulleys and keys for damage.
2. Replace any damaged parts.