Installation
3A5656A
3
Installation
Remove and Replace the HMI
NOTE:
Record all settings (purge time values, shot
sizes, feed setup, etc.) from the existing system if possi-
ble.
1. Follow the Shutdown procedure in PD44 Metering
Valves and Feed Systems Operation-Maintenance
manual 313876.
2. Unplug the control box power cord.
3.
For motor-driven PD44 control boxe
s, open the door
by turning the fastener a quarter turn. See Figure 1.
Then go to step 8.
4.
For the pneumatic valve PD44 control bo
x, remove
the eight button head cap screws holding the top
cover of the electric box. See Figure 2.
5. Remove the cover.
6. Loosen the fastener a quarter turn and lift the
hinged portion of the control box as shown in Figure
3.
PRESSURIZED FLUID HAZARD
The equipment in this system stays pressurized until
pressure is manually relieved. To help prevent seri-
ous injury from pressurized fluid, such as skin injec-
tion, splashing fluid and moving parts, follow the
Pressure Relief Procedure described in PD44 Meter-
ing Valves and Feed Systems Operation-Mainte-
nance manual 313876 when you stop pumping and
before cleaning, checking or servicing the equipment.
F
IG
. 1: Motor Driven PD44 Control Box
CONTROL POWER
Fastener
F
IG
. 2: Pneumatic Valve Control Box
F
IG
. 3: Lift the Control Box
Remove
Remove Three
Remove
Screws on this
Side
Fastener
