General Information - Chevrolet 40 Series 1972 Service Manual

GosnfLSiedAxM a n d Cj&ue/istosiA,
S erv ice inform ation applicable to air co m p re sso r s and governors
used on v e h ic le s covered by this Supplement rem ains the sam e as
covered on pages 5D -80 through 5D -93 in AIR COMPRESSORS AND
GOVERNORS (SEC. 5D) in S ervice Manual S T -331-71 except as follows:

GENERAL INFORMATION

Midland R oss and Bendix W estinghouse air
co m p r e sso r s are interchangeable as com plete a s ­
se m b lie s on all m odels covered by this Supplement.
R efer to ,T A ir C om pressor Model Application Chart"
la te r in this section .
GOVERNOR ADJUSTMENT
Inform ation applicable to governor adjustment
rem ain s the sam e as covered on page 5D-92
under " A ir C om pressor G overnor" in AIR COM­
PRESSORS AND GOVERNORS (SEC. 5D) in Serv­
ic e Manual ST-331-71 except as follows:
The Midland R oss N-20856 governor used on
the N -5601-R air com p resso r should have the cut-
AIR COMPRESSOR MODEL APPLICATION CHART
TRUCK
COMPRESSOR
MODELS MODEL
50 SERIES
CE, SE N -5601-R or
282567
CG, SG N -5601-S or
282896
SM
281977 or.
N -6400-N
TG N -6400-N or
281977
60 SERIES
CE, ME, TE N -5601-R or
282567
N -6400-N or
CM, TM
281977
50 SERIES
CE, SE N -5217-B A
or 282564
60 SERIES
CE, ME, N -5217-B A
TE or 282564
SECTION 6T
in p r e ssu r e adjusted to 85 PSI and the cut-out
p r e ssu r e adjusted to 100-107 p si.
GOVERNOR ADJUSTMENT CHART
C om pressor
Model
MIDLAND-ROSS
N -5601-R
N -5601-S
N -6400-N
N -5217-B A
BENDIX WESTINGHOUSE
281977
282564
282567
282896
C U .-F T .
MANU­
FACTURER CAPACITY
STANDARD
M-R
1A
B-W
n
M-R
n
B-W
n
B-W n
M-R
ta
M-R
TA
B-W TA
M-R
n
B-W
TA
M-R
n
B-W
TA
OPTIONAL
M-R 12
B-W
12
M-R
12
B-W 12
Governor Cut-In
Model P r e ssu r e
N -20856 85 P si.
N -20856-C 105 P s i.
N -20856-C 105 P s i.
N-20856-C 105 P s i.
276102 105 P s i.
276226 105 P s i.
276226 105 P s i.
276104 105 P si.
TYPE TYPE
TYPE
COOLING DRIVE FILTER
A ir B elt Paper F ib ers
Air B elt Foam
B elt
A ir Paper F ib ers
A ir B elt Foam
B elt P aper
Air
Air B elt Paper F ib ers
B elt P aper F ib ers
Air
Air B elt P aper
A ir B elt Paper F ib ers
A ir B elt Foam
A ir B elt
Paper F ib ers
B elt
Air Paper
B elt
Water Paper F ib ers
Water B elt Foam
Water B elt Paper F ib ers
B elt Foam
Water
Sec. 6T
Page 35
Cut-Out
P r e ssu r e
100-107 P si.
105-127 P si.
105-127 P si.
105-127 P si.
125 P s i.
125 P s i.
125 P s i.
125 P s i.