Fuel
Typical atomizing pressure
Oil hose connection
Light fuel oil
#2 fuel oil
20–25 bar
290–261 PSI
suction R ½”
return R ½”
To adjust pump pressure:
● Use the pressure adjustment screw.
● Turn the screw clockwise to increase the pressure.
● Install a pressure gauge/valve assembly, if necessary.
To vent the oil pump:
1. Loosen the plug of the pressure gauge port.
Do not remove the plug.
2. Let the burner operate for a while. Air bubbles come out of the hole.
3. When no more bubbles come out, retighten the plug carefully.
If the atomizing pressure during capacity change from max. to min.
exceeds 2 bar / 29 PSI the pump must be replaced.
The pump is self-priming. The pump is intended for use in two-pipe
system.
Oil pump AJ
A203S ver. 2
Pos.
Item
Pos.
Item
1
Suction line connection
6
Air venting plug
2
Return line connection
7
Bypass plug
3
Nozzle connection
8
Vacuum meter connection
4
Pressure gauge connection
9
Filter
5
Pressure regulation
M5164 1640EN
37 (95)
Содержание GKP-50 MH
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