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FAQs
1. Does Suntec only
manufacture residential fuel pumps for oil burners?
2. What type of fuels can
Suntec fuel units pump?
3. When and where do you
install the by-pass plug fitting?
4. When replacing an older
unit, how do you select a new replacement?
5. How do you check pump
discharge pressure?
6. Where should the technician
install a vacuum gage to read running vacuum?
Answers
- 1. Does Suntec only manufacture
residential fuel pumps for oil burners?
- No! Suntec offers a complete line of fuel units for
commercial and light industrial applications including
boost transfer and waste oil units. Complementing the
fuel units is our full line of solenoid shut off and
vacuum valves. For the tougher jobs, Suntec manufactures
a line for special fuels to handle gasoline, heavy lube
and waste oils.
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- 2. What type of fuels can
Suntec fuel units pump?
- Check the installation sheet for each unit. Suntec
provides several models that will handle fuel oils 1,2,
and lighter such as kerosene. Other units will handle
heavier lube oils and our special fuel units will operate
on gasoline and some aviation fuels. Call the factory if
you are unsure.
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- 3. When and where do you
install the by-pass plug fitting?
- When installing a two-pipe system (supply and return
line) this plug must be inserted up inside the return
port of the pump before connecting the return line. This
allows the unit to automatically bypass any air, foam or
unused fuel back to the tank. Two pipe systems are self
priming and don't require bleeding.
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- 4. When replacing an older
unit, how do you select a new replacement?
- Suntec model identification charts will help you identify
and select a replacement. Be sure to match rotation, RPM
speed, nozzle firing rate, and mounting configuration
when selecting a new unit. Call the factory if you need
assistance.
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- 5. How do you check pump
discharge pressure?
- On models A/B, install a pressure gage at the gage port
located on top of the fuel unit. For models J/H, remove
the bleeder and install pressure gage in the bleeder
port. Once the gage is installed, you can turn the
pressure adjusting screw in or out to increase or
decrease pressure accordingly. Note: To check
cut-off on any fuel unit, the gage must be installed in
the discharge port of the fuel unit.
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- 6. Where should the technician
install a vacuum gage to read running vacuum?
- Just as the pressure gage is connected to the discharge
side of the pump, a vacuum gage is installed on the
suction side of the pump. All pumps have two inlet ports.
Install the vacuum gage in the inlet port that is not
being used.
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