Installation
6 308485R
Installation
System Accessories
Install the accessories shown in FIG. 1.
• Install an air line lubricator (N) for automatic air
motor lubrication.
• Install a bleed-type master air valve (A) to relieve air
trapped between it and the motor when the valve is
closed. To order a 1/2 npt, 300 psi (2.1 MPa, 21
bar) maximum working pressure bleed-type master
air valve, order Part No.107142.
• As an alternative to a bleed-type master air valve,
installation of an air line female quick-disconnect
coupler (M) and a male quick-disconnect pin fitting
(L) (see F
IG. 1) can serve as an air-bleed device. T.
• Install an air regulator (C) to control the pump
speed and pressure.
• Install an air line filter (B) to remove harmful dirt and
contaminants from the compressed air supply.
• Install another bleed-type master air valve (A) to
isolate the accessories for servicing.
• Install a drain valve (H) near the pump fluid outlet to
relieve fluid pressure in the hoses and gun when
opened. To order a fluid drain valve, order Part No.
210658.
• 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 (4.1 MPa. 41 bar) minimum relief pressure,
630 psi (4.4 MPa, 44 bar) maximum relief pressure
thermal relief kit, order Part No. 237601.
NOTICE
Do not hang the air accessories directly on the air inlet
(E). The fittings are not strong enough to support the
accessories and may cause one or more to break.
Provide a bracket to mount the accessories.
Four accessories are required in the system: an air
shut-off valve’s bleed device, fluid drain valve,
thermal relief kit, and ground wire. These accessories
help reduce the risk of serious bodily injury including
fluid injection, splashing in the eyes or on the skin,
injury from moving parts if adjusting or repairing the
pump, and explosion from static sparking.
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
unexpectedly, causing serious bodily injury when
adjusting or repairing the pump. Use either a
bleed-type master air valve (A) or a quick-disconnect
coupler with male quick-disconnect pin fitting (L).
Install 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 dispensing valve (J)
to relieve pressure may not be sufficient.
The thermal relief kit (K) assists in relieving pressure
in the pump, hose, and dispensing valve due to heat
expansion.
The ground wire (Y) reduces the risk of static
sparking.
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