Husqvarna SC18/968981201 - Manual (Page 8)

8
TROUBLESHOOTING
PROBLEM ANSWER/COMMENT
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. Check for side play in the Transmission Output Drive
Sprocket (If there is side play, the transmission could be
damaged).
5. 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.
6. 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 assembly1. The bushings are wearable items.
are wearing quickly. 2. Grease (polyurethane compatible) ID and OD of bushings
before installing.
3. Ensure that proper Blade Lift Springs are installed.
(Springs have 1.5-inch OD.)
4. Be sure the maximum RPM is set correctly at 3000. See
Technical Bulletin Throttle Cable Adjustment.
5. Be sure red bushings are installed.
Bushings “ooze out” when installed 1. This is normal. Trim with knife if desired.
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? See Technical Bulletin “Throttle Cable Adjustment.”
Chain (Transmission) wearing The Transmission Input Sprocket is a fixed (non adjustable)
prematurely or coming off sprocket which is splined and snap-ringed in place.
1. Align the Engine Sprocket and Chain Idler Sprocket to the
Transmission Input Sprocket (fixed)
2. Idler Sprocket position is adjusted by adding or subtracting
washers between the sprocket and the idler arm.
3. The Engine Sprocket is adjusted by sliding it on the engine
output shaft.