UM91-HF
OPERATION
Prior to turning on supply air, back off the adjusting screw until there is no compression of the range spring; refer to
dimension and assembly drawings as needed. After turning the supply pressure on, turn the adjusting screw clockwise to
increase outlet pressure.
MAINTENANCE
1)
To remove condensate, slowly open the drain valve and bleed accumulated liquid.
2)
To clean the filter element:
a.
Shut off supply air.
WARNING
Components can be ejected with great force if the instrument
is disassembled while pressure is applied. To avoid the risk
of death or serious injury, always turn off and vent supply
pressure and any downstream pressure source when
disassembling the instrument.
b.
Drain condensate.
c.
Remove four corner bolts from the bottom of the unit. Refer to the Assembly Drawing as needed.
d.
Remove drip-well housing and filter.
e.
Clean parts and reassemble in reverse order.
Assembly Drawing
3
