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Removal
FLUID INJECTION
1.
HAZARD; page 3.
2. Relieve pressure; page 8.
3. Fig. 2. Remove four screws (93) and
display/cover (95).
4. Pull display connector wings (A) open on PC board
and pull display connector out.
5. Disconnect ON/OFF switch (30) connector (B)
from PC board (123).
6. Press in on two retaining tabs on each side of
ON/OFF switch (30) and remove switch.
Removal
FLUID INJECTION
1.
HAZARD; page 3.
2. Relieve pressure; page 8.
3. Fig. 2. Remove four screws (93) and
display/cover (95). Pull display connector wings
open on PC board and pull display connector out.
4. Disconnect ON/OFF switch (30), connector (B), at
control board (123).
5. Remove six screws (217) from control board (123)
and green ground wire (F).
6. Remove two connectors (Y) at backside of pres-
sure control. Remove jam nuts (Z) and control
board (123).
Removal
FLUID INJECTION
1.
HAZARD; page 3.
2. Relieve pressure; page 8.
3. Fig. 2. Remove four screws (93) and
display/cover (95).
4. Disconnect lead (E) from control board (123).
5. Remove strain relief (151). Pull transducer connec-
tor through control housing (112).
6. Remove pressure control transducer (203p) and
o-ring (203r) from filter housing.
Digital Tracking System
ON/OFF Switch
Pressure Control Transducer
Installation
1. Fig. 2. Install new ON/OFF switch (30) so tabs of
switch snap into place on inside of pressure con-
trol housing.
2. Connect ON/OFF switch connector (B) to PC
board.
3. Push display connector into PC board and close
display connector wings (A) on PC board (123).
4. Install display/cover (95) with four screws (93).
PC Board
Installation
When installing replacement control board, follow
instructions with control board to set model type.
1. Fig. 2. Install control board (123) and jam nuts (Z).
Install two connectors (Y) at backside of pressure
control.
2. Install green ground wire and control board (123)
with six screws (217).
3. Connect ON/OFF switch (30), connector (B), to
control board (123).
4. Push display connector into PC board close dis-
play connector wings on PC board. Install display/
cover (95) with four screws (93).
7. Remove pressure control transducer (203p) and
o-ring (203r) from filter housing (203e).
Installation
1. Fig. 2. Install o-ring (203r) and pressure control
transducer (203p) in filter housing. Torque to
30–36 ft-lb.
2. Install transducer cable in strain relief through
control box. Install filter housing and spacer to
control box with two screws (270).
3. Connect lead (E) to motor control board (123).
4. Install display/cover (95) with four screws (93).
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