Transmission And Brake Systems; Transmission - BOMBARDIER ski-doo Tundra Scandic 2004 Series Shop Manual

TRANSMISSION AND BRAKE
The following charts are provided to help in diagnosing the probable source of troubles. It should be used
as a guideline. Some causes or corrections may not apply to a specific model.

TRANSMISSION

SYMPTOM THE SNOWMOBILE ACCELERATES SLOWLY, ESPECIALLY WHEN IT IS STOPPED.
CONDITION NORMAL USE.
Test/Inspection
SYMPTOM ENGINE MAXIMUM RPM IS TOO HIGH AND TOP SPEED IS NOT REACHED.
CONDITION NORMAL USE.
Test/Inspection
MMR2004-108_03_04A.FM
Subsection 04 (TRANSMISSION AND BRAKE SYSTEMS)
1. Check drive belt condition.
a. Belt is too narrow (drive belt engagement is higher in drive pulley).
Replace belt if width is less than specified in DRIVE BELT.
2. Check distance between pulleys and/or drive belt deflection.
a. Distance is too small between pulleys or deflection is too high
(drive belt engagement is higher in drive pulley).
Adjust distance between pulleys and/or drive belt deflection according
to specifications (refer to TECHNICAL DATA).
3. Check driven pulley sliding half play.
a. Jammed sliding half.
Replace.
4. Check spring tension of driven pulley sliding half.
a. Sliding half rotation is accelerated when spring tension is too weak.
Adjust according to specifications (refer to TECHNICAL DATA).
5. Refer to VIBRATIONS ORIGINATING FROM DRIVE PULLEY and VIBRATIONS
ORIGINATING FROM DRIVEN PULLEY and check items listed.
6. Check drive pulley spring tension.
a. Spring tension is too weak.
Replace.
1. Check items 1, 2 and 3 of THE SNOWMOBILE ACCELERATES SLOWLY,
ESPECIALLY WHEN IT IS STOPPED.
2. Check driven pulley spring tension.
a. Spring tension is too stiff.
Adjust according to specifications (refer to TECHNICAL DATA).
3. Check position of the calibration screws (TRA drive pulley).
a. Selected numbers are too high.
Adjust according to specifications (refer to TECHNICAL DATA).
4. Refer to VIBRATIONS ORIGINATING FROM DRIVEN PULLEY and check items
listed.
5. Check the driven pulley.
a. Driven pulley does not open completely.
Clean, readjust or replace driven pulley.
6. Check if levers of drive pulley move freely.
a. Stuck levers.
Replace lever bushings.
Section 03 TROUBLESHOOTING
SYSTEMS0
03-04-1