9b 9a, Attention – Rivera Primo Brute III Extreme User Manual
Page 3
Friction plate 2nd, then alternate steel,
friction, steel, friction. The clutch
plates should be installed in the same
order as delivered. The clutch pack
height is pre-set prior to ship-
ment, & should not be altered
without consulting a Primo
technician.
Friction Plate plate second...
Install the pressure plate as shown.
Apply a generous dab of high qual-
ity anti-seize to each of the Pro-
Clutch studs (as shown).
Install the pressure plate
11
Install the diaphragm spring, spring retainer (beveled side inward against the
spring) locking tabs, and shouldered nuts as shown. TIGHTEN THE NUTS
EQUALLY UNTIL THEY BOTTOM & THEN TIGHTEN TO 30 INCH POUNDS OF
TORQUE. Bend a tab over each nut to keep it tight! Spring adjustment (and
clutch pack height) is established prior to shipping.
Install the locking tabs & retainer, & adjust the clutch.
12
Bend the locking tabs over as shown! Belt should have 1/2”- 3/4” of up & down play when the drive train
is cold. Re-install the outer primary cover and check belt clearance. Install a louvered or vented derby
or inspection cover, and you’re ready to ride. Check belt tension after the drive train reaches normal op-
erating temperature (15-20 minutes of riding at 55 MPH in ambient air temperature of 68 degrees). The belt
should feel snug but not excessively tight!
ATTENTION!
After installing a new belt drive, always check the clearance be-
tween the OUTER PRIMARY COVER, & the belt drive assembly
PRIOR TO OPERATING THE MOTORCYCLE, as it may be nesse-
cary to modify the primary covers to avoid collision with any
part of the belt drive. See figures 5 & 5a.
After installing the .120” steel drive
plate, Install the rest of the clutch
pack per steps 10 and 11.
9b
9a
CLUTCH HUB INFORMATION
Install the .120” thick steel plate at the
rear of the clutch pack as shown. The
clutch pack can then be installed.
.120” thick Steel Plate plate first.
10
BELT SHOULD HAVE
1/4” - 3/4” UP & DOWN
PLAY WHEN THE DRIVE
TRAIN IS COLD!
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