Page 28 - Webster Service Manual

23
One-Pipe Installation
Normally recommended for gravity feed only . Lift up to
8
feet max. is allowable if system is absolutely airtight.
Even slight air leak can cause loss of prime with 1 pipe lift.
1.
Remove BYP ASS PLUG (if installed) through side
INLET PORT in pump body.
2.
Connect inlet line to preferred INLET PORT.
3.
Connect nozzle outlet to nozzle line.
4.
Plug all unused ports securely.
5.
Start burner and bleed all air from the system by
opening VENT PLUG. Close VENT securely when
oil flow in tube is clear.