Demon Fuel Systems 170304 - Manual

170304
– 4-PORT REGULATOR REBUILD KIT
1. Remove 4 assembly screws (1). Set aside for reuse.
2. Remove cap assembly (7), bracket (3) and retainer (24). Set aside for reuse.
3. Remove diaphragm spring (8), diaphragm (10) and discard.
4. Remove spring cup (9). Set aside for reuse.
5. Position new diaphragm (10). Make certain that the molded diaphragm
loop is pointing up, towards the cap.
6. Remove 2 o-rings (16) from fittings (18 & 15) and replace with o-rings
supplied as necessary. Torque to 40 – 60 in./lbs.
7. Remove o-ring (21) from fitting (22) and replace with parts o-rings supplied as
necessary. Torque to 40 – 60 in./lbs.
8. Remove spring (20) and discard. Replace with spring (20) supplied.
9. Assemble the new spring (8) and retainer (24).
10. Torque the 4 assembly screws (1) to 20
– 30 in./lbs.
11. Loosen nut (5) and readjust screw (4) as necessary to achieve correct fuel
pressure on engine
12. Then torque nut (5) to 40 – 60 in./lbs.
For further questions, please contact our technical department at (270) 901-3346.
www.demoncarbs.com
© 2012 Demon Carburetion. All rights reserved.
LIT726
Date: 11-29-12
ITEM QTY DESCRIPTION TORQUE SPECS
1 4 #10-24UNC x 3/4 S/S SHCS 20-30 IN/LBS
2 4 #10 SPLIT LOCKWASHER
3 1 4 PORT REGULATOR BRACKET
4 1 REGULATOR ADJUSTING SCREW
5 1 3/8-24UNF-2B HEX JAM NUT 40-60 IN/LBS
6 1 3/8 FLAT WASHER
7 1 4 PORT REGULATOR CAP
8 1 REGULATOR SPRING
9 1 REGULATOR SPRING CUP
10 1 4 PORT DIAPHRAGM
11 1 4 PORT REGULATOR STEM HOLDER
12 1 3/32” X 1.00 LONG DOWEL PIN
13 1 4 PORT STEM GUIDE
14 1 4 PORT REGULATOR BODY
15 1 -10 PLUG 40-60 IN/LBS
16 2 O-RING
17 1 4 PORT BALL GUIDE AND SEAT
18 1 -10 TO -10 FITTING 40-60 IN/LBS
19 1 REGULATOR BALL VALVE
20 1 BALL SPRING
21 1 -8 O-RING
22 1 4 PORT BALL STUD GUIDE 40-60 IN/LBS
23 1 1/8 HEX SOCKET PIPE PLUG 20-30 IN/LBS
24 1 SPRING RETAINER