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INSTALLATION FOR BDL BALL BEARING LOCK UP CLUTCH

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BPP-100 BDL pressure plate with 32 -
3/8” chromium steel ball bearings
and special adjustment screw and
nut.

Place BDL diaphragm over ball
bearings on pressure plate.
Place BDL retainer over diaphragm
and insert shoulder bolts.
Holding assembly with pressure
against the diaphragm so that the
ball bearings are secured, place
assembly on to clutch basket.
While firmly holding assembly
on clutch basket, locate holes in
the clutch hub and screw the
shoulder bolts in.
Tighten shoulder bolts down to
approx. 25 TO 30 foot pounds.
     
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 proceedure
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 manuel. Re-adjust clutch as per
HD manuel.