SECTION 06 - DRIVE SYSTEM
MMC2005-001_06A.FM
06-47
INSTALLATION
1. Install proper number of spacer washers on
jackshaft between clutch and jackshaft bearing.
2. Inspect Jackshaft Bearing
3. Excessive vibration or abnormal drive belt wear
can be caused by a worn bearing or jackshaft on
the driven clutch side. To inspect bearing fit,
watch the bearing area closely as you try to
force the jackshaft up and down. If movement
is detected, disassemble to determine which
parts are worn. Replace the jackshaft if the new
bearing is loose on the shaft. The bearing
should be greased at 1000 mile (1600km) inter-
vals and before storage.
NOTE:
Spacer washers between driven clutch
and jackshaft bearing set the offset.
1. Lightly grease jackshaft keyway or spline. With
square key in place slide clutch onto jackshaft.
2. Install spacer, bolt and washer to hold driven
clutch in place.
3. See belt installation instructions.
TROUBLESHOOTING
1. Always make sure to use the OEM belt that is
specified for your sled. Using the incorrect belt
can result in RPM fluctuation.
It is very impor-
tant when tuning to ensure the proper belt
width, compound, and length.
This is one of
the most common causes of poor performance.
2. Verify ramps, weights and spring in the drive
clutch are correct first. If performance problems
still exist, look to the secondary.
3. Helix angle selection. Starting angle will effect
how fast the clutch opens from a dead stop. Ex.
(70-44.46, a 70° starting angle will shift ex-
tremely fast). If the sled will not pull RPM until
farther out in the shift pattern this angle may be
too steep. The second number, (as in example
44°) will affect the shift rate from approximately
1/3 of the shift on. If there is a problem with the
helix, this is normally the culprit. If your engine
is over reving and the sled is not going any-
where, the angle is probably too shallow. If you
can't achieve desired RPM or the sled goes flat
towards top end, the angle is very likely too
steep.
4. Secondary springs can also affect the RPM and
shift rate. It is best to start with a lower rate
spring and move up from there. Stiff springs can
cure some problems and create others at the
same time. Heat can be one of the biggest prob-
lems when running stiff springs. Heat will rob
performance extremely fast. The lighter the
spring you can run and still achieve the results
you want the better. Spring rate will also affect
back shifting. For most flat land applications
start with a 140-200 spring, mountain setups
140-240.
5. Under racing conditions, clutches should be tak-
en apart often and wiped clean of any foreign
material. Make sure not to use any solvents or
lubricants on bushings or rollers during this pro-
cess. At this time it is recommended that the
spring is measured for correct operating loads.
6. Alignment has a huge role on performance and
belt life. Make sure to use the proper clutch
alignment tool.
Содержание ski-doo MACH Z 1000 SDI
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Страница 196: ...05 72 MMC2005 001_05A FM SECTION 05 ENGINE PREPARATION FUEL TANK AND FUEL PUMP All Models except SDI 2 4 3 1 A33C2VS...
Страница 289: ...SECTION 06 DRIVE SYSTEM MMC2005 001_06A FM 06 27 422 A01D3JA 417 222 562 427 A01D3KA 417 222 677...
Страница 473: ...SECTION 12 SERVICE TOOLS MMC2005 001_12A FM 12 29 N Scratch remover P N 861 774 800 APPLICATION All models...
Страница 476: ...MMC2005 001_13A FM 13 1 SECTION 13 ACCESSORIES TABLE OF CONTENTS 0 ACCESSORIES 13 02...
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