Form I-RA/D 350/500, Page 12
Typical Installation
Supply Lines
Installation
Continued
on the outlet side of the lter, the gauge will indicate any suction line
restriction including a dirty lter. A pump inlet manifold is supplied for
direct connection of the lter to the inlet of the pump.
The supply line between the outlet side of the fuel pump and the heater
should be either 3/8” o.d. or 1/2” o.d. copper tubing with a minimum of
1/32” wall thickness with 45° are ttings. The supply line must continually
rise. A lift height of up to 15 ft (4.5 M) is acceptable with a maximum total
length of 60 feet (18 M) for 3/8” tubing or 100 feet (30.5M) for 1/2” tubing.
Do not install manual valves in the supply line.
Connect the fuel line to the heater at the connection on the corner of the
service tray.
The 50 psi relief valve supplied with the pump and a return line of 1/8”
NPT black iron pipe must be installed as illustrated. All piping should be
protected from possible damage and be rigidly fastened in place in a
workmanlike manner. Do not use TEFLON
®
based pipe dope or TEFLON
®
tape at the connections in an oil line. Use an oil-resistant pipe dope. Do
not use union connections in the suction line (line between the oil supply
and the remote pump); union connections are not recommended for use
in any portion of an oil supply line.
NOTE: Care must be exercised to ensure airtight connections.
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