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Installation
Accessories
Install the following accessories in the order shown in
F
. 2 and F
. 3, using adapters as necessary.
IG
IG
Air-Powered Pumps
For typical installation, see F
Accessory Air Control Kits are available for the NXT
Air Motor. The kits include a master air valve, air
regulator, and filter. Order the kits separately. See
manual 311239 for more information.
Air Line
•
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.
Trapped air can cause the pump to cycle unexpectedly,
which could result in serious injury from splashing or
moving parts.
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.
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.
•
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 (M): isolates air line
accessories for servicing. Locate upstream from all
other air line accessories.
8
. 2 on page 10.
IG
Hydraulic-Powered Pumps
For typical installation, see F
Hydraulic Power Supply
CAUTION
The hydraulic power supply must be kept clean at all
to avoid damage to the motor and hydraulic power
supply.
1. Blow out hydraulic lines with air and flush thor-
oughly before connection to the motor.
2. Plug hydraulic inlets, outlets, and line ends when
disconnecting them for any reason.
Be sure the power supply can provide sufficient power to
the motor. Be sure the power supply is equipped with a
suction filter to the hydraulic pump.
Hydraulic Supply Line
•
For Viscount I Plus motors, the hydraulic inlet
on the motor is 3/4 in., 37° flare. Use a mini-
mum 1/2 in. (13 mm) ID hydraulic supply line
(K).
•
For Viscount II motors, use a minimum 13 mm
(1/2 in.) ID supply line supply line (K). The
motor has a 3/4 npt(f) hydraulic oil supply fit-
ting.
•
Supply line shutoff valve (S): isolates the motor
when servicing the system. See F
•
Hydraulic fluid pressure gauge (P): monitors the
hydraulic oil pressure to the motor to avoid over-
pressurizing the motor or lower.
•
Pressure- and temperature-compensated flow
control valve (T): prevents the motor from running
too fast, which can damage it.
•
Pressure reducing valve (N), which has a drain
line (M) running to the return line (K): controls the
hydraulic pressure to the motor.
. 3 on page 11.
IG
. 3.
IG
311211L
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