
Installation
10
3A4552A
Air Exhaust Ventilation
The air exhaust port is 3/4 npt(f). Do not restrict the air
exhaust port. Excessive exhaust restriction can cause
erratic pump operation.
To provide a remote exhaust:
1.
Remove the muffler (P) from the pump air exhaust
port. See F
IG
. 5.
2.
Install a grounded air exhaust hose (T) and connect
the muffler (P) to the other end of the hose. The
minimum size for the air exhaust hose is 3/4 in.
(19 mm) ID. If a hose longer than 15 ft (4.57 m) is
required, use a larger diameter hose. Avoid sharp
bends or kinks in the hose.
3.
Place a grounded container (U) at the end of the air
exhaust line to catch fluid in case of a diaphragm
rupture. See F
IG
. 5.
F
IG
. 5: Venting Exhaust Air
Be sure the system is properly ventilated for your type
of installation. You must vent the exhaust to a safe
place, away from people, animals, food handling
areas, and all sources of ignition when pumping
flammable or hazardous fluids.
Diaphragm failure can cause the fluid being pumped
to exhaust with the air. Place an appropriate container
at the end of the air exhaust line to catch the fluid.
See F
IG
. 5.
P
U
T
D
A
B
C
F
E
TI8767b
Key:
A
Air supply line
B
Bleed-type master air valve
(required for pump)
C
Air regulator
D
Air line quick disconnect
E
Master air valve (for accessories)
F
Air line filter
P
Muffler
T
Grounded air exhaust hose
U
Container for remote air exhaust