Belt Drives Ball Bearing Lockup Clutch User Manual

INSTALLATION FOR BDL BALL BEARING LOCK UP CLUTCH

BPP-100 BDL pressure plate with 32

-3/8” chromium steel ball bearings and

special adjustment screw and nut.

Holding assembly with pressure
against the diaphragm so that the
ball bearings are secured, place

assembly on to clutch basket.

BPP100-500-700

Place BDL diaphragm over ball
bearings on pressure plate.

While firmly holding assembly
on clutch basket, locate holes in
the clutch hub and screw the

shoulder bolts in.

Place BDL retainer over diaphragm and
insert shoulder bolts.

Tighten shoulder bolts down to
approx. 25 TO 30 foot pounds.

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BPP-700 Lock up for Primo belt
drives 1990-2007.
Pressure plate with 42-5/16 “

chromium steel ball bearings.

Place BDL diaphragm over ball
bearings then use Primo retainer,
adjustment screw and bolts and
install assembly onto Primo
clutch basket using procedure
outlined above. Re-adjust clutch

per Primo instructions.

BPP-500 Lock up for HD 1998-2007
BDL pressure plate with 45- 5/16”
chromium steel ball bearings.
Install with stock HD diaphragm,
retainer and bolts and install as per
HD manual. Re-adjust clutch as per

HD manual.

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