Roberts Gorden CRV-B-8, CRV-B-9, CRV-B-12A, CRV-B-6, CRV-B-10, CRV-B-2, CRV-B-4 Vacuum Reading

CRV-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

FIGURE 35: Vacuum Reading

Combustion Chamber

at end position

End Vent

Insert tubing

about 6" (15 cm).

	6
Manometer	5
	4
	3
	2
	1
	0
	1
	2
	3
	4
	5
	6

Approximate reading after

adjusting damper couplings and

pump inlet. (~2.5"- 3.0" w.c.)

50