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Installation
System Accessories
A
CAUTION
I
inlet
(E).
The fittings are not strong enough to
Do not hang the air accessories directly on the air
support the accessories and may cause one or
mount the accessories.
more to break. Provide a bracket on which to
Three accessories are required in your system: an
air bleed device, a fluid drain valve, and a thermal
relief kit. These accessories help reduce the risk
of serious bodily injury including fluid injection,
splashing in the eyes or on the skin, and injuly
from moving parts if you are adjusting or repairing
the pump.
The air bleed device relieves air trapped between
it
and the air motor after the air supply is shut
off.
Trapped air can cause the air motor
to cycle unex-
pectedly, causing serious bodily injury if you are
adjusting or repairing the pump. Use either a
bleed-type master air valve (A) or a quick discon-
nect coupler (M) and fitting (L). Install it near the
pump air inlet, within easy reach of the pump.
The fluid drain valve (H) assists in relieving fluid
pressure in the displacement pump, hoses and
dispensing valve. Triggering the valve to relieve
pressure may not be sufficient.
The thermal relief kit
(K)
relieves pressure in the
fluid line caused by heat expansion.
Install the following accessories in the order shown in
Fig.1:
0
Install an air line lubricator
(N)
for automatic air
motor lubrication.
0
Install a bleed-type master air valve (A)
to
relieve
air trapped between it and the motor when the
valve is closed. As an alternative, you can install
an air line quick disconnect coupler
(M) and fitting
(L)
to serve as an air-bleed device. See Detail A in
Fig.1.
T o
order a
1 P npt, 300
psi
(21
bar)
Maximum Working Pressure bleed-type master air
valve, order Parf No.
107-142.
Install the air regulator (C) to control pump speed
and pressure.
Install an air line filter
(E)
to remove harmful dirt
and contaminants from your compressed air supply.
Install another bleed-type master air valve
(A) to
isolate the accessories for servicing.
0
Install a fluid drain valve (H) near the pump fluid
outlet
to
relieve fluid pressure in the hose and gun
when the valve is opened. To ordera W8"npt
(mbe) fluid drain valve, order Part No. 210-658.
0
Install a suitable fluid hose (P) and dispensing valve
(J).
Install a thermal relief kit
(K)
to relieve pressure in
the fluid line caused by heat expansion.
To
order a
600
psi (42 bar) minimum relief pressure,
630
psi
(44
bar) maximum relief pressure thermal relief kit,
order Part No.
237-601.
6
308-485
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