Rivera Primo Brute IV - Manual (Page 4)

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STEP 8:
If you’re installing the Brute IV on a Dyna Glide, check for
clearance between the rear of the starter ring gear and the
swing arm pivot nut/bolt assembly. If needed remove addi-
tional material from the swingarm pivot nut/bolt assembly.
STEP 9:
Install the front pulley & nut (hand tighten to snug). Check alignment of
the pulleys by placing a straight edge flush with the inside lip of the
clutch basket as shown. If needed, spacers can be used behind the
front pulley to correct minor mis-alignment. The straight edge should
line-up flush with both the inside of the front pulley
lip and the inside of the clutch basket lip. Space
the front pulley as needed for alignment.
Available is a laser etched, number front pulley
(part no. P-48-S-3N as shown here)
Also tighten the two stand-off studs at this time using one(1) drop of
“Blue” threadlock on each stud. IF YOUR KIT INCLUDED 5/16”
STUDS TORQUE TO 29 FOOT POUNDS. IF YOUR KIT CAME WITH
3/8” STUDS, TORQUE THEM TO 47 FOOT POUNDS.
STEP 10:
After checking and/or correcting pulley alignment, permanently install
the rear pulley & hub assembly on the trans mainshaft using 2-3 drops
of “Blue” or “Red” threadlock or equivalent. TORQUE THE MAIN-
SHAFT (CLUTCH HUB) NUT TO FACTORY SPECS (70-80 FOOT
POUNDS OF TORQUE).
Note: Nut is left-hand thread.
STEP 11:
Remove the front pulley. Wrap the belt around the rear pulley, slide the
front pulley into the belt. SLIDE THE FRONT PULLEY ONTO THE MOTOR
SHAFT AND TIGHTEN THE NUT TO 150-165 FOOT POUNDS OF
TORQUE (use “Blue” or “Red” threadlock). With a cold drive-train there
should be enough slack in the belt to allow the front pulley to easily slide
into place (approx. 3/4” of slack is ideal).
Check belt tension now. Belt should have
no more than 1” total up and down play, and
no less than 1/4” at the center of the belt. A
small measure of adjustment can be had
Evo Softail & FXR applications can adjust-
ed by loosening the four bolts of the motor
plate and the transmission bolts. Evo Dyna
Glide and Twin Cam applications have no
adjustment (movement) because the trans-
mission is bolted solid to the motor.
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