Mounting; Fluid Connections; Electrical Connections - Nordson A7A Product Manual

Mounting

Fluid Connections

Electrical Connections

3
4
3
Fig. 4 Installation of A7A single and dual guns
1. Gun body
2. Square head screw
1998 Nordson Corporation
All rights reserved
See Figure 4.
NOTE: The A7A gun has provisions for mounting to a 12.7-mm (
round bar. Mount the gun or the mounting bar to allow easy removal
for service.
1. Slide the mounting bar through the mounting hole on the gun
body (1).
2. Mount the gun in the position desired, then tighten the square head
screw (2).
CAUTION: Do not overtighten the fluid fittings. Overtightening may
cause damage to the gun body.
1
Connect a / -20 JIC coupled airless fluid hose to the
2
fittings (3).
CAUTION: Do not use long air hoses between the gun and the solenoid.
The resulting pneumatic delay causes slow gun on and off cycling,
spitting, and premature wear of the ball and seat.
Connect an electro-pneumatic solenoid to the gun at the
elbow (4).
1
4
2
2
1
1
3. / -20 JIC fluid fittings
2
107 966E
Issued 1/98
A7A Airless Spray Gun
1
/ -20 JIC fluid
2
1
/ NPT street
8
3
4
3
1
4. / NPT street elbow
8
17
1
/ -in.)
2
0406002A
Manual 4-6