7.3 Regulator Module. Ohio Medical Pediatric ISU, ISU

7/Service - Disassembly and Assembly

13. Place and align the cover and knob assembly onto the backplate with the mode selector knob in the

O (OFF) position. Rotate the suction control knob clockwise (increase) until the cover is flush with the backplate.

14. Install the three cover screws.

15. Install all fittings.

Note: For proper installation of adapters/probes and fittings see Appendix A-1.

7.3 Regulator Module

w CAUTION: Do not lubricate any internal components of the regulator module.

w CAUTION: The cap screws can strip the regulator module housing threads if they are screwed in too tight.

7.3.1 Disassembly

1. Remove the cap screws (2) and remove the cap.

2. Remove the O-rings (2).

3. Observe the position of the diaphragm convolution to aid in assembly.

4. Withdraw the diaphragm/stem assembly from the housing.

5. Remove the spring.

6. Grasp the stem with your fingers and unscrew the stem screw.

7. Remove the retainer, diaphragm and piston from the stem.

11

10

8

9 11

7

6

Pediatric ISU Regulator Module

5

4

3

2

1

Description

1.

2.

3.

4.

5.

O-ring, Stem

O-ring

6.

7.

8.

9.

Housing

Stem

Spring

Piston

Diaphragm

Retainer

Stem Screw

10. Cap

11. Cap Screw

Parts and Descriptions

CAP

NOTE: The pediatric regulator cap is different from that of the standards ISU - shape and material (aluminum). Only use the cap pictured above on the

Pediatric ISU

6700-0082-000 (Rev.4) 10/2012 17