Mounting; Fluid Connections; Air Connection; Nozzle Installation - Nordson A7A Customer Product Manual

27 mm
(1.063 in.)
8
1
8
1
Figure 5 Mounting and Connections
1
1. / NPT fitting (air)
8
1
2. / -20 JIC fitting (supply)
2
1
3. / -20 JIC fitting (return)
2
Note: Fluid fittings (2, 3) for A7A SM Lancing Spray Gun can be used for either supply or return.

Mounting

Use two #10 screws to mount the gun.

Fluid Connections

CAUTION: Do not overtighten the fluid
fittings. Overtightening may cause damage
to the gun body.
1
See Figure 5. Connect
1
/ -20 JIC fluid fittings (2, 3).
2

Air Connection

NOTE: Do not use an air hose any longer than
necessary between the gun and the solenoid. The
longer the air hose, the longer the pneumatic
delays, causing slow on and off cycling. Connect
the solenoid directly to the air inlet, if possible.
See Figure 5. Connect an electro-pneumatic
1
solenoid to the / in. NPT fitting (1).
8
E 2018 Nordson Corporation
2
3
A7A Circulating Lancing Spray Gun (Shown without Nozzle)
3
2
A7A SM Lancing Spray Gun (Shown without Nozzle)
4. Barrel nut
5. Barrel
6. Nylon washer
/ -20 JIC fluid hoses to the
2
5
4
7
5
4

Nozzle Installation

The nozzles used with this gun are Tube Lining
Nozzles. If not already installed, install a nylon
washer (6) on the end of the barrel (5), then screw
the nozzle on and tighten it securely. Loosen the
barrel nut (4) and rotate the barrel to point the
nozzle in the desired direction.
A7A Lancing Spray Guns
6
6
7. CO-Plate plug and O-ring
8. Mounting holes
Part 107009-05
9