Fuel Pump Assembly; Fuel Pump Installation - Pioneer 1200 Maintenance Service Manual

14
FUEL SYSTEM
24
VENT
25
FRONT
COVER
27
28
29
Figure 14-12 Pioneer 1200 and 1200 SE Fuel Pump

FUEL PUMP ASSEMBLY

1. Install the fuel gasket (35) and diaphragm (34) on the back cover (36) (Figure 14-12, Page 14-20).
2. Install the valve assembly in the pumping chamber (30). See following CAUTION.
CAUTION
• If the valve assembly is not installed exactly as shown, the impulse fuel pump will not operate
properly.
3. Install the pumping chamber (30) on top of the fuel diaphragm (34). Be sure the fuel inlet and the fuel out-
let align with the arrows on the front of the front cover (Figure 14-12, Page 14-20).
4. Install the gasket (29), clear impulse diaphragm (28), and the paper impulse gasket (27) to the pumping
chamber (30).
5. Install the front cover and then the lock washers (25) and four screws (24) on the assembly. Be sure the
arrows on the front cover point from the fuel inlet to the fuel outlet (Figure 14-13, Page 14-20). Tighten
the screws to 26 in-lb (3.0 N·m).

FUEL PUMP INSTALLATION

1. Connect the fuel line (2) that comes from the fuel tank filter (17) to the fuel pump (18). Install a new clamp
(16) (Figure 14-15, Page 14-23 or Figure 14-16, Page 14-24). See same figures for proper routing
of fuel lines. See following NOTE.
NOTE: Be sure to connect the fuel line (2), that comes from the primary fuel filter (17), to the inlet nipple
on the pump. Direction of fuel flow is indicated by the arrows on the fuel pump.
2. Connect the fuel line (3) to the fuel pump (18) that goes to the secondary fuel filter (22). Install a new
clamp (16).
3. Connect the impulse line (7) to the bottom nipple on the fuel pump (18). Use a new clamp (20).
Page 14-20 2003 Pioneer 1200/1200SE Gasoline Vehicle Maintenance and Service Manual
PUMPING
CHAMBER
33
32
30
31
FUEL INLET
FUEL
1200 ONLY
OUTLET
FUEL INLET
VALVE
ASSEMBLY
34
35
BACK
36
COVER
VENT
FUEL
OUTLET
DIRECTION
OF FUEL
FLOW
Figure 14-13 Pioneer 1200 and 1200 SE Pump Mount
Fuel Pump
FUEL INLET
1200 ONLY
FUEL INLET
IMPULSE
LINE