Multi Pro 5800 Page 6 − 71 Electrical System
5. While monitoring pressure gauge, turn ignition
switch to RUN/PREHEAT (do not start engine) so that
fuel pump relay and fuel pump are energized. The fuel
pressure displayed on the gauge should rise. After
pump relay is de−energized (approximately 3 seconds),
turn ignition switch to OFF and then back to RUN/PRE-
HEAT (do not start engine) to re−energize the fuel pump
relay and fuel pump. Fuel pump pressure should be ap-
proximately 40 PSI (276 kPa).
6. If fuel pump pressure is low, make sure that electrical
power is available to fuel pump and fuel filter is not
clogged. Replace fuel pump/level sender as necessary.
7. After testing is completed, remove pressure gauge
from fuel supply hose and connect fuel hose to engine
fuel rail.
A. Push supply hose barb fitting onto fuel rail until an
audible “Click” is heard.
B. Press barb fitting lock down to lock fitting in place
(Fig. 106).
8. Prime the fuel system (see Operator’s Manual).
9. Make sure that no fuel leaks exist before returning
machine to service.
10.Install engine shroud.
Electrical
System
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