User guide

INSTALLATION:
1. Make sure that the shoulder bolt
will t into the mounting bracket.
2. Remove the outer jam nut.
3. Make sure the inner jam nut
is properly torqued (see Table A)
4. Prior to assembly of idler product onto bushing, make sure bushing barrel
and product bore are free of contaminants (such as paints or oils) and no
burrs exist.
Do NOT use lubricants or anti seize material
on bushing barrel, hub or threaded surfaces.
5. Align mounting holes, insert cap screws and loosely thread them into the
idler product.
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Martin MST IDLER BUSHING
MOUNTING INSTRUCTIONS
TABLE A
Idler SAE Grade 5 Mounting Bracket
Tightening Torque
Bushing Shoulder Bolt Size Thread Depth (min)
lb-in N-m
H-BB 1/2 1/2-13NC .77” 300 33.9
P1-BB 5/8 5/8-11NC 1.00” 350 39.5
Q1-BB 3/4 3/4-10NC .923” 550 62.1
Q1-BB 1 1-8NC 1.08” 800 90.3
Mounting_Bushings.indd 4/16/03, 12:20 PM2