6
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
6.25
CLUTCH ASSEMBLY
1. Align the “X” marks on each of the sheaves during
reassembly.
2. Assemble the clutch sheaves
3. Position the spring washer, spring, spring cup and
retaining ring into moveable sheave. Do not apply oil
or grease to the bearings.
4. Place the clutch into the universal clutch compressor.
Apply and hold downward pressure on the spring
cup. Torque the retaining ring bolts to specification.
TORQUE
Clutch Spring Retaining Ring Bolts:
12 ft-lbs (16 Nm)
5. Install driven clutch assembly and drive belt.
SECONDARY CLUTCH ADJUSTMENT
Vehicles that are equipped with a BOSS driven clutch
may require the clutch to be shimmed for the following
concerns.
• Creeping
• Hard Shifting
• Belt tracking too close to one sheave
To correct any of these concerns proceed with the
following.
1. Check that the clutches are fully seated on the shafts
2. Disassemble the secondary clutch
• If belt is riding close to the primary clutch inside
fixed sheave
– Add 1 shim washer, 7556483 (0.059"
thickness), in-between the secondary clutch
sheaves. This is in addition to the one factory-
installed shim washer 7556745 (0.120")
thickness, for a total of two washers inside the
clutch.
• If belt is riding close to the primary clutch outside
moveable sheave
– Remove the factory installed washer 7556745
(0.120") thickness and replace with the shim
washer, 7556483 (0.059" thickness)
3. If that still does not correct the issues, proceed with
loosening the transmission mounts for adjustment, or
install a known good primary clutch for trial.
PVT SYSTEM
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