Emerson B-106-300NH instruction manual Pressure Regulator Maintenance

World Class 3000

Instruction Manual

Appendix D Rev. 2.4 July 1998

LEGEND FOR FIGURE D-6

1.	Enclosure	23.	Nut	45.	Washer
2.	Screw	24.	Lockwasher	46.	Drain Valve
3.	Plug	25.	Washer	47.	1/8 in. Impolene Tubing
4.	Cable Grip	26.	Washer	48.	Connector
5.	Fitting	27.	Screw	49.	Elbow
6.	Hose Adapter	28.	Nut	50.	Pressure Regulator
7.	Pressure Switch	29.	Washer	51.	Hose Adapter
8.	Plug	30.	Washer	52.	1/4 in. Tube
9.	Solenoid Valve	31.	Cover Stop Slide	53.	Screw
10.	Screw	32.	Screw	54.	Washer
11.	Manifold	33.	Washer	55.	Inner Enclosure
12.	Washer	34.	Termination Board	56.	Washer
13.	Screw	35.	Standoff	57.	Screw
14.	Gasket	36.	Mounting Bracket	58.	Power Supply
15.	Outer Cover	37.	Cover Plate	59.	Washer
16.	Inner Cover	38.	Washer	60.	Nut	D
17.	Flowmeter, 10 SCFH	39.	Screw	61.	Screw
18.	Flowmeter, 2.0 SCFH	40.	Fuseholder	62.	Washer
19.	Bracket	41.	Plastic Nut	63.	Solenoid
20.	Screw	42.	Bushing	64.	Solenoid
21.	Hose Adapter	43.	Pressure Gauge
22.	1/8 in. Hose	44.	Bolt

e. Loosen the retaining ring in the middle of		D-9 PRESSURE REGULATOR MAINTENANCE
	the solenoid and remove the top part.
f.		a.	Pressure Adjustments
	With a spanner wrench or padded pliers,
	remove the remaining part of the solenoid		Pressure regulator (50, Figure D-6)is fac-
	from the manifold (11).		tory set to 20 psi (138 kPa). Should the
g.			pressure need to be changed or adjusted,
	Separate the new solenoid and screw the		use the knob on top of the pressure
	smaller part into the manifold.		regulator.
h.	Place the top part of the solenoid into posi-	b.	Condensation Drain
	tion and tighten the retaining ring.
i.			To drain excess moisture from the internal
	Connect the plug to the proper receptacle		gas circuit of the MPS, periodically loosen
	on the termination board (34).		drain valve (46) on the bottom of pressure
			regulator (50). The moisture will flow
j.	Close and secure the inner cover (16) with		through vinyl tubing drain (47) on the bottom
	two captive screws. Close and secure the		of pressure regulator (50) and exit the bot-
	outer cover (15) with two captive screws.		tom of MPS enclosure (1).

Rosemount Analytical Inc. A Division of Emerson Process Management Appendices D-9