FUEL SYSTEM
Fuel Pump
Page 14-20
2003 Pioneer 1200/1200SE Gasoline Vehicle Maintenance and Service Manual
14
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).
Figure 14-12 Pioneer 1200 and 1200 SE Fuel Pump
Figure 14-13 Pioneer 1200 and 1200 SE Pump Mount
24
25
31
33
32
30
34
27
28
29
35
36
FUEL INLET
FUEL INLET
1200 ONLY
VALVE
ASSEMBLY
PUMPING
CHAMBER
BACK
COVER
FRONT
COVER
VENT
FUEL
OUTLET
FUEL
OUTLET
VENT
DIRECTION
OF FUEL
FLOW
IMPULSE
LINE
FUEL INLET
FUEL INLET
1200 ONLY
Содержание 1200
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