Mallory Ignition Mallory 2-PORT FUEL PRESSURE REGULATORS 4207_4210 - Manual (Page 2)

www.mallory-ignition.com MALLORY 2
REGULATOR MAINTENANCE
Step 1
Release the jam nut and remove the adjustment screw. Set
aside the diaphragm spring.
Step 2
Remove the four regulator base and bracket screws.
Step 3
Remove the regulator base. Remove the gasket.
Step 4
Set aside the plunger spring and unscrew the plunger.
O-Ring remains on the plunger.
Step 5
Remove the four regulator cap screws.
Step 6
Remove the regulator cap.
Step 7
Remove the diaphragm.
Step 8
Thoroughly clean all surfaces.
Step 9
Assemble in reverse order. Tighten the four regulator cap
and four regulator base and bracket screws between 16
and 19 in./lbs.
Step 10
Adjust fuel pressure. See Fuel Pressure Adjustment stated
earlier.
REGULATOR SERVICE PARTS KIT
(INCLUDES FUEL TYPE CONVERSIONS AS NOTED) PART NO.
Diaphragm kit, gasoline, RFG (reformulated gas,
oxygenated fuel)
For Regulator Part Nos. 4207 and 4207M with round
regulator cap and fuel pressure port. Also used to
convert Regulator Part No. 4210 to use gasoline. 3149
Diaphragm kit, Alcohol/Methanol
For Regulator Part No. 4210. Also used to convert
Regulator Part No. 4207 with round regulator cap and
fuel pressure port to use alcohol/methanol. 3149
MALLORY IS A TRADEMARK OF PRESTOLITE PERFORMANCE
10601 MEMPHIS AVE. #12, CLEVELAND, OH 44144
216.688.8300 FAX 216.688.8306
FORM 1385
(REV. E) 01/12
FIGURE 2
CARB
FUEL
FILTER
REGULATOR
FUEL PRESSURE
PORT
FUEL PRESSURE GAUGE
AND ISOLATOR
FUEL
PUMP
FUEL
FILTER
FUEL
TANK
JAM NUT
ADJUSTMENT SCREW
REGULATOR CAP SCREWS (4)
REGULATOR CAP
DIAPHRAGM SPRING
DIAPHRAGM
REGULATOR HOUSING
GASKET
O-RING
PLUNGER
REGULATOR BASE
REGULATOR BASE AND
BRACKET SCREWS (4)
REGULATOR BRACKET