Innova 3640 Manual De Instrucciones página 11

g. Connect the gauge hose to the open fitting on top of the tee, FINGER TIGHT ONLY.
h. Place the bleed-off hose into an approved drain container. MAKE SURE the hose
remains in the container until testing is complete.
i. MAKE SURE all of the vehicle's accessories (air conditioner, fan, radio, defroster, lights,
etc.) are turned off.
j. Turn ignition on and listen for fuel pump activation (most systems will activate the fuel
pump circuit for approximately two seconds when the ignition is initially turned on to
prime the fuel system). Check the test setup and MAKE SURE no fuel leaks are present.
If fuel leaks ARE present, turn off ignition IMMEDIATELY and repair any leaks. BE
SURE TO CLEAN UP FUEL SPILLS IMMEDIATELY.
If your fuel system does not operate as described in step j, or if fuel system is not
operating properly, refer to the manufacturer's service manual for repair
procedures or activation instructions.
k. When the fuel pump has been activated in step j, the fuel system is pressurized. Verify
the tester gauge indicates a system pressure which corresponds with the specifications
provided in your vehicle's service manual. If the fuel pressure is within vehicle
manufacturer's specifications, proceed to step m. If pressure is not within manufacturer's
specifications, proceed to step l.
l. Turn ignition off and follow the test and repair procedures to correct the problem. After
all necessary repairs have been completed, return to step j.
m. Start and idle engine. RECHECK THE TEST SETUP FOR FUEL LEAKS.
n. Read fuel pressure from the tester gauge. If the fuel pressure is within vehicle
manufacturer's specifications, proceed to step p. If pressure is not within manufacturer's
specifications, proceed to step o.
o. Turn ignition off and follow the test and repair procedures in your vehicle's service
manual to correct the problem. After all necessary repairs have been completed, return
to step m.
p. Turn ignition off.
q. MAKE SURE the bleed off-hose is still routed to
the drain container. Press and hold the relief
valve to bleed off system pressure. Hold the
relief valve until the tester gauge indicates 0
(see Figure 7).
r. Shake the bleed-off hose to ensure all residual
fuel has been expelled.
s. Wrap a shop rag around tee fitting area to avoid
fuel spray and
CAREFULLY disconnect the gauge hose from
the tee fitting. Hold both the bleed-off hose and
the gauge hose over the drain container to let
any remaining fuel drain. Store the tester in a
well-ventilated area to dry completely.
t. Loosen hose clamps and remove the tee fitting
and any additional hose pieces which were
previously installed to perform testing.
u. Reconnect the fuel inlet line (supply line) to it's original connection point. MAKE SURE
all hose clamps are reinstalled and tightened properly (refer to your vehicle's service
manual for proper connections, as necessary).
v. Recheck all fuel system connections, then start the engine. Check for any leaks and
repair as necessary.
The engine may crank for several seconds before restarting.
Shop rags which have been exposed to any flammable liquids or materials should
be stored in an approved container to avoid hazardous conditions.
The service life of the port adapter o-rings can be prolonged by applying a film of
oil to them before storing.
Fuel
to absorb excess
Figure 7
RELIEF
VALVE
fuel.
Testing
TEST PROCEDURES
9