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Installation
8 3A0538F
Accessories
Install the following accessories in the order shown in
F
IG
. 2 and F
IG
. 3, using adapters as necessary.
NOTE: Accessory Air Control Kits are available for the
NXT Air Motor. The kits include a master air valve, air
regulator, and filter. Order the kit separately. See man-
ual 311239 for more information.
Air Line
See F
IG
. 2 and F
IG
. 3.
• Bleed-type master air valve (M): required in your
system to relieve air trapped between it and the air
motor when the valve is closed.
Be sure the valve is easily accessible from the pump
and located downstream from the air regulator. Be sure
the air bleed hole points away from the operator.
• Pump air regulator (L): to control pump speed and
outlet pressure. Locate close to the pump.
• Air line filter (K): removes harmful dirt and mois-
ture from compressed air supply.
• Second bleed-type air valve (H): isolates air line
accessories for servicing. Locate upstream from all
other air line accessories.
Fluid Line
See F
IG
. 2 and F
IG
. 3.
• Fluid filter: with a 60 mesh (250 micron) stainless
steel element to filter particles from the fluid as it
leaves the pump.
• Fluid drain valve (N): required in your system, to
relieve fluid pressure in the hose and gun.
• Fluid shutoff valve (D): shuts off fluid flow.
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious injury
from splashing or moving parts.
The air motor is rated to 100 psi (0.7 MPa, 7.0 bar). If
you will apply more than 100 psi (0.7 MPa, 7.0 bar) to
the system, install a safety relief valve between the
bleed-type master air valve and the air motor.