Condec DLR3110 User Manual

Page 50

DLR3110 Rack Mount Digital Pressure Calibrator Manual

7.2.10

Pressure Limit Control (Standard Pneumatic), Regulator Removal

Tools required:

Phillips screwdriver
7/16" open end wrench
9/16" open end wrench
A/R 1/4" wide Teflon

tape, (PN 60575)

A/R 1/2" wide Teflon tape, (PN 60911)
1/2" socket
socket wrench
1/4" hex wrench

NOTE: See Figure 7-3 on page 61.

1. Remove cover from its chassis as described in Section 7.2.1 on page 39, and carefully place on a bench.

2. Remove regulator knob cap.

3. Remove two screws that secure the round plate.

4. Loosen and remove the locknut using a 1/2" socket while holding the knob. Remove the knob by turning

counter-clockwise

5. Remove all tubing sections that connect to the regulator inlet and outlet fittings.

6. Loosen the mounting collar in the panel rear using a 1/4" hex wrench.

7. Remove the regulator by sliding out from the panel rear.

8. Mount the regulator in a bench vise by the flats in the base.

9. Note the orientation of the inlet and outlet fittings in the regulator. Remove the fittings and any remnants

of Teflon tape from the pipe threads.

7.2.11

Pressure Limit Control (Standard Pneumatic), Regulator Installation

Tools required:

Phillips screwdriver
7/16" open end wrench
9/16 " open end wrench
A/R 1/4" wide Teflon tape, (PN 60575)

A/R 1/2" wide Teflon tape, (PN 60911)
SNOOP, liquid leak gas detector (PN 64781)
1/2" socket
socket wrench

NOTE: See Figure 7-3 on page 61. Call CONDEC for replacement part numbers.

1. Wrap two layers of Teflon tape on the pipe threads of each fitting and install into the inlet and outlet of

the regulator and ensure that each is oriented properly. Use a bench vise when doing this.

Insert the new regulator into the panel through hole. Pass the adjusting end through the mounting ring.
Do not tighten cap screw until adjusting knob is installed.

2. Install the tubing sections to the inlet and outlet fittings.

3. Install the adjusting knob on the threaded shaft by turning clockwise. Turn adjusting knob on threaded

shaft until bottomed and install locking nut and tighten. Turn knob until it bottoms. Position the regulator
so that the bottom of the knob is 1/2" from the panel surface, then tighten the cap screw on the
mounting collar.

4. Using a pressure source set input pressure to approximately 100% of full scale rating of DLR3110 and

check all fittings for leaks.

5. Install panel/chassis assembly in its enclosure as described in Section 7.2.1 on page 39.

1. Teflon

is a registered trademark of EI DuPont.