Prochem APEX GTX 1.001-139.0, Operating Instructions Manual

Page: 23 / 172

21
Installation
Fuel Supply & Return Line Installation
DIESEL MODELS
(Underneath Van)
1. Attach the 1/8 NPT x 5/16 hosebarb 90 degree elbow (86179920) to the underside of supply line bulkhead (5/
16 hosebarb inside the van).
2. Attach the 1/8 NPT x 1/4 hosebarb 90 degree elbow (86179930) to the underside of return fuel bulkhead (3/16
hosebarb inside the van).
3. Cut to different lengths the 6 foot piece of 5/16” 50PSI fuel hose (86282480) for the fuel supply from:
a. Fuel supply bulkhead to the discharge side of the fuel pump.
b. Inlet side of fuel pump to the outlet side of the fuel filter (86180960).
4. Cut to length the 1/4” fuel hose (86282410) for the fuel return. The hose runs from the fuel return bulkhead to
the check valve. The vehicle’s appropriate fuel tap kit will connect to the other side of the check valve, and will
return the fuel to the vehicle’s fuel supply system.
5. Check all hose clamps for tightness.
NOTE: Fuel tap kit installation instructions are found with appropriate fuel tap kit. Refer to Fuel Tap Kit
Information Sheet (8.634-994.0)
1/4" RETURN HOSE
RETURN BULKHEAD
CHECK VALVE
5/16" SUPPLY HOSE
HOSE MOUNTING CLAMP
FRONT OF VAN
SUPPLY BULKHEAD
BUSHING
ELECTRICAL CORD
PUMP ASSEMBLY
ELECTRICAL FUEL
USE AS NEEDED
5/16" SUPPLY HOSE
FUEL SUPPLY
RETURN TO VEHICLE
FROM VEHICLE
FUEL SUPPLY
FUEL FLOW
FUEL FILTER
1/4" RETURN HOSE
86410220 Operators Manual - Apex GTX Prochem