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Installation (Air-Powered Pumps)
WARNING
A bleed-type master air valve (L) is required in your
system, to help reduce the risk of serious injury
including splashing fluid in the eyes or on the skin,
and injury from moving parts if you are adjusting or
repairing the pump.
The bleed-type master air valve relieves air trapped
between this valve and the pump after the air is
shut off. Trapped air can cause the pump to cycle
unexpectedly. Locate the valve close to the pump.
CAUTION
Do not hang the air accessories directly on the
pump's air inlet. The fittings are not strong enough to
support the accessories and may cause one or more
to break. Provide a bracket on which to mount the
accessories.
In an air-powered system, install the air line accesso-
ries in the order shown in Fig. 5. Working upstream
from the pump air inlet, install an air line lubricator (H)
for automatic air motor lubrication. Next, install a
bleed-type master air valve (L) to relieve air trapped
between the valve and the pump, and an air regulator
and gauge (J) to control pump speed.
Install a pump runaway valve (G) to shut off the air to
the pump if the pump accelerates beyond the pre-
adjusted setting. A pump which runs too fast can be
seriously damaged.
Install an air filter (K) to remove harmful dirt and mois-
ture from the compressed air supply, and a second
bleed-type master air valve to isolate the air line ac-
cessories for servicing. Last, install a drain valve (W)
at the bottom of each air line drop, to drain off mois-
ture.
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