CA / CT SERIES
CAP600
Page
23 of 30
REV D July 2013
Bolt Torques
Challenge Air and CT Compressors
E50
E57
E71
E15
Size
Torque
(CM-FT)
Size
Torque
(CM-FT)
Size
Torque
(CM-FT)
Size
Torque
(CM-FT)
Head Bolts
M10-1.5
300-21.7
M10-1.5
320-23.1
M10-1.5
320-23.1
M10-1.5
320-23.1
Cylinder Case
M10-1.5
280-20.35
M10-1.5
280-20.25
M10-1.5
280-20.25
M10-1.75
350-25.3
Rod Bolts
M8-1.5
280-20.25
M8-1.25
280-20.25
M8-1.5
300-21.7
M10-1.5
300-23.1
Front Cover
M8-1.5
280-20.25
M10-1.5
300-21.7
M8-1.5
300-21.7
M10-1.5
320-23.1
Rear Cover
M10-1.5
280-20.25
M8-1.25
300-21.7
M10-1.5
280-20.25
M10-1.5
280-20.25
Inlet and Outlet
Push Covers
M8-1.25
225-16.3
M8-1.25
225-16.3
M10-1.5
M8-1.25
320-23.1
225-16.3
Table (5) Challenge air bolt torque specifications
MODEL
NO.
FLYWHEEL BOLTS
FAN BOLTS
TORQUE
FT.-LBS.
TORQUE
IN.-LBS.
TORQUE
FT.-LBS.
TORQUE
IN.-LBS.
E57
23
276
-
-
E50
40
480
-
-
E71
45
540
24
288
E15
50
600
24
288
Table (6) Challenge air bolt torque specifications
TORQUE SPECIFICATIONS
DESCRIPTION
CT-55 (ft/lbs.)
CT-75 (ft/lbs.)
CONNECTING-ROD BOLTS TORQUE
16.28
22.2
CYLINDER HEAD SCREWS TORQUE
37
45
CYLINDER TO CRANKCASE SCREWS TORQUE
37
45
FLYWHEEL BOLT TORQUE
37
37
Table (7) CT compressor bolt torque specifications
