#10120 - Alternator / Air Compressor Bracket Mounting Instructions
For use with:
• Small Block Chevy
• Short Water Pump
• GM 60 to 80 Amp Alternator
• Sanden 508 AC Compressor
1. Use Loctite® removable threadlocker 242 (Blue) on all fasteners.
2. Bolt alternator bracket [C] and compressor bracket [B] to main bracket [A] using two [Q] ¼-20 x 5/8” flat head cap screws & two [P] 5/16-18 x ¾”
flat head cap screws. (Tighten)
3. Bolt bracket [A] to water pump using two [J] 3/8-16 x 2” socket head cap screws & two [V] stainless flat washers. Note: .203 aluminum spacer [T] is
placed between bracket [A] and water pump on driver’s side of motor.
4. Threaded adjusters [R] are used as universal spacers to align alternator bracket [C] and compressor bracket [B] with intake manifold. Turn until
adjuster touches manifold and tighten approximately 1/8 turn more to preload bracket. Lock down with two [I] 3/8-16 x 2-1/2” socket head cap
screws and two [U] 3/16” stainless load washers.
5. Bolt air compressor to bracket [B] using two [K] 3/8-16 x 1-1/2” socket head cap screws and two [V] stainless flat washers. (Do not fully tighten)
6. Bolt alternator to bracket [C] using the [H] 3/8-16 x 2-3/4” socket head cap screw. (Do not fully tighten)
7. Bolt compressor adjustment arm [D] to main bracket [A] using [L] 3/8 x 5/8” shoulder bolt, [U] 3/16” stainless load washer & [O] 5/16” nylon locking
nut. (Do not fully tighten)
NOTE: Adjustment arm [D] is on back side of main bracket [A] with adjustment slot facing down.
8. Bolt adjustment arms [D] & [E] to air compressor using [J] 3/8-16 x 2” socket head cap screw, two [V] 3/8” stainless flat washers, [S] .400 aluminum
spacer & [N] 3/8” nylon lock nut.
NOTE: adjustment arm [D] is behind adjustment arm [E] with .400 aluminum spacer between them.
9. Bolt adjustment arm [E] to alternator using [M] 3/8 x 3/8” shoulder bolt and [U] 3/16” stainless load washer.
NOTE: Adjustment arm [E] is on back side of alternator tab.
10. Install the alternator belt (Gates XL 7475) on the rear groove and the air compressor belt (Gates XL 7512) on the front groove of the pulleys.
11. Put tension on the air compressor belt and tighten two [K] 3/8-16 x 1-1/2” socket head cap screws on bracket [B] & [L] 3/8 x 5/8” shoulder bolt on
bracket [A].
12. Put tension on the alternator belt and tighten [H] 3/8-16 x 2-3/4” socket head cap screw on bracket [C], [M] 3/8 x 3/8” shoulder bolt on alternator,
and [J] 3/8-16 x 2” socket head cap screw on adjustment arm [D] & [E].
Billet Specialties • 500 Shawmut Avenue • La Grange, Illinois 60526• Tech 708-588-0505 • Fax 708-588-7181
#10120 - Alternator / Air Compressor Bracket Mounting Instructions
M
U
BILL OF MATERIALS
ITEM
QTY.
DESCRIPTION
E
N
SIZE
A
1
Air Compressor / Alternator
Main Bracket
B
1
Air Compressor Mounting Bracket
C
1
Alternator Mounting Bracket
D
1
Air Compressor Adjustment Arm
E
1
Alternator Adjustment Arm
F
1
Air Compressor
G
1
Alternator
H
1
3/8”-16 Socket Head Cap Screw
2-3/4”
V
G
S
F
D
V
J
O
I
2
3/8”-16 Socket Head Cap Screw
2-1/2”
J
3
3/8”-16 Socket Head Cap Screw
2”
K
2
3/8”-16 Socket Head Cap Screw
1-1/2”
L
1
3/8” Shoulder Bolt
5/8”
M
1
3/8” Shoulder Bolt
3/8”
N
1
3/8”-16 Nylon Lock Nut
O
1
5/16”-18 Nylon Lock Nut
P
2
5/16”-18 Flat Head Cap Screw
3/4”
Q
2
1/4”-20 Flat Head Cap Screw
5/8”
R
2
Threaded Spacer Bushing
(5/8”-18 Thread)
S
1
Aluminum Spacer
3/4” x .400”
T
1
Aluminum Spacer
3/4” x .203”
U
4
Stainless Load Washer
3/4” x 3/16”
V
6
Stainless Load Washer
3/4” x .060”
I
C
U
I
K
R
U
R
5/8” x 1”
V
H
U
B
Q
K
ALTERNATOR
V
P
P
AC
COMPESSOR
Q
T
V
J
L
A
V
J
Billet Specialties • 500 Shawmut Avenue • La Grange, Illinois 60526• Tech 708-588-0505 • Fax 708-588-7181