Quick Fuel Technology 30-7304 – 2-PORT REGULATOR REBUILD KIT User Manual
Page 2
30-7304
– 4-PORT REGULATOR REBUILD KIT
1. Remove 4 assembly screws (1). Set aside for reuse.
2. Remove cap assembly (7), bracket (3) and retainer (21). 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 o-ring (22) from fitting (17) and replace with o-ring supplied as necessary.
Torque to 40
– 60 in./lbs.
7. Remove o-ring (18) from fitting (19) and replace with o-ring supplied as necessary.
Torque to 40
– 60 in./lbs.
8. Assemble the new spring (8) and retainer (21).
9. Torque the 4 assembly screws (1) to 20
– 30 in./lbs.
10. Loosen nut (5) and readjust screw (4) as necessary to achieve correct fuel pressure
on engine
11. Then torque nut (5) to 40
– 60 in./lbs.
For warranty information, please see our website at
For further questions, please contact our technical department at 1-270-793-0900.
99-30-7304
Revision Date: 12-17-13
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
LOWER REGULATOR SPRING
12
1
4 PORT REGULATOR SEAT
13
1
4 PORT REGULATOR VALVE STEM
14
1
4 PORT REGULATOR BODY
15
1
VALVE STEM HOLDER
16
1
TRUARC RETAINER
17
1
-10 TO -8 FITTING
40-60 IN/LBS
18
1
-8 O-RING
19
1
4 PORT BALL STUD GUIDE
40-60 IN/LBS
20
1
1/8 HEX SOCKET PIPE PLUG
20-30 IN/LBS
21
1
SPRING RETAINER
22
1
O-RING