27
METRIC CONVERSIONS
MECHANICAL VACUUM BOOSTER
Part
(N-m) Torque
Rotor Shaft Flat Hd Screw (3/8-16)
48
5/16 Cap Screw
23
1/4 Cap Screw
14
Retainer Button Hd Screw 10-32
4
3/8 Cap Screw
57
Timing Gear Shaft Nut (540 & 720)
149
Timing Gear Shaft Nut (850,1200,1600,2000 & 2700)
190
1/2 Cap Screw
122
Rotor 3/4 Structural Bolt
353
Bearing Ret Cap Screw (3/8-16)
41
Nose Piece Flat Hd Screw (1/4-20)
11
Dust Slinger Flat Hd Screw (10-32)
5
1/2 Cap Screw
102
3/4 Cap Screw
353
TORQUE CHART
CLEARANCES
KMBD
Model
Gear Eng
Free End
Interlobe
Rotor, Tip to
HSG at Ports
240C
.08-.13
.15-.25
Center
Timed
.17-.19
400C
.30-.43
540C
.10-.18
.28-.41
720C
.10-.18
.28-.41
.15-.28
Model
Gear End
Free End
Interlobe
Tip-Dowel
Tip-Port
850C
.10-.18
.28-.41
Center
Timed
.18-.30
.28-.41
1600C
.43-.56
2000C
.53-.66
2700C
.64-.76
.20-.33
.30-.43