Carbon MCS-352, Service Manual

Page: 45 / 59

NOTE
Use an adaptor to plug off or loop back the fuel lines
going to the tank to avoid any spills.
NOTE
Some fuel systems have two return lines: one from the
injector pump and one from the injectors. When
connecting to these types of systems, verify that both
return lines have been captured. Usually they will join
together at some point before going back to the tank.
8.
As shown in
FIGURE C
on the next page, connect the appropriate adaptors at the points listed
in
Step 5
.
NOTE
Fuel filters and water separators in the
vehicles fuel supply line should be bypassed
whenever possible, as they can interfere with
mixture ratios and may release contaminants
into the engine during cleaning. But when
they cannot be avoided replace the vehicle’s
fuel filter and add extra cleaner to compensate
for large filter housings.
9.
As shown in
FIGURE C
on the next page, connect the
OUTPUT (RED)
hose from the unit to
the adaptor on the pressure line going into the engine’s fuel supply side . Connect the
RETURN (BLACK)
hose from the unit to the adaptor on the return line coming from the
engine’s fuel return .