Chevrolet 70 Series 1970, Service Manual

Page: 588 / 841

ENGINE ELECTRICAL 6Y-47
N O N -IN T E G R A L TYPE A LTER N A TIN G CU RR EN T
G EN ER A TO R S P EC IFIC A TIO N S (CO N T.)
FIELD RELAY UNIT SPECIFICATIONS
Relay Model..............................................................................
.............................. 1115827 1115841
A i r G a p a t C ore (P o in ts closed) ( I n .) ......................................
P o in t O p e n in g ( I n .) .......................................................................................
C losin g V o ltag e R a n g e ...............................................................................
S e alin g V o ltag e R a n g e ..............................................................................
....................................... D e lc o -R e m y
....................................... 0 .0 1 1-0 .0 1 8
....................................... 0.020-0.030
....................................... 2 .5 -3 .S
....................................... 0 -1 V o lt-
abo ve closing
D e lco -R e m y
0.012
0 .015-0.02 5
7-8
10 M a x .
A LT ER N A TIN G CURRENT G EN ER A T O R T O R Q U E SPECIFICA TIO N S
T Y P E OF
TO RQ U E
IT EM
PART (F T . L B S .)
G en e ra to r P u lle y N u t ................................................................................................................................................................
N u t 55-65
G en e ra to r A d ju s tin g A r m P iv o t B o lt
W ith 4 2 -A m p . G e n e ra to r..........................................................................................................................................
Bolt 15-20
W ith 6 1 -A m p . G e n e ra to r..........................................................................................................................................
Bolt 20-25
W ith 6 2 -A m p . G e n e ra to r..........................................................................................................................................
Bolt
25-30
W ith 1 3 0 -A m p . G e n e ra to r.................................................................................................................................
Bolt 30-35
G en e ra to r to M o u n tin g B ra cke t P iv o t Bolt
W ith 4 2 -A m p . G e n e ra to r..........................................................................................................................................
N u t 15-20
Bolt 25-30
W ith 6 1 -A m p . G e n e ra to r..........................................................................................................................................
N u t
15-20
Bolt 30-35
W ith 6 2 -A m p . Generator
Conventional Cab M o d e ls .......................................................................................................................... B o lt
50-60
T i lt Cab M o d e ls ..................................................................................................................................................... N u t
35-45
B olt
40-50
W ith 1 3 0 -A m p . G e n e ra to r....................................................................................................................................... N u t
25-30
Gene ra to r S u p p o rt B ra c k e t-to -M o u n tin g B ra c k e t..................................................................................
Bolt 40-50
Gene ra to r M o u n tin g B ra c k e t-to -En g in e
W ith 4 2 -A m p . G e n e ra to r..........................................................................................................................................
N u t 25-30
Bolt 45-55
W ith 6 1 -A m p . G e n e ra to r..........................................................................................................................................
N u t 25-35
Bolt 45-55
W ith 6 2 -A m p . Generator
Conve ntiona l C a b M odels
Rear B ra c k e t................................................................................................................................................
Bolt 45-55
F ro n t B ra c k e t..............................................................................................................................................
Bolt 30-35
T ilt Cab M o d e ls .....................................................................................................................................................
Bolt
40-50
W ith 1 3 0 -A m p . G e n e ra to r......................................................................................................................................
Bolt
40-50
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL