Honeywell HON HSV086 - Pressure Converters SM

© 2017 Honeywell International Inc
Operation and maintenance manual HON HSV086 21
5.3 Pressure converters
SM 1.x-A (see figure 6a)
SM90 (see figure 6b) (to be certified)
SM2/2500 (see figure 6c) (to be certified)
SM 1.x-A
The following parts have to be replaced in this component.
 Diaphragm 02
 O-ring 16
 O-ring 18
To replace these parts, the following steps are to be taken.
 Disconnect impulse line 21
 Unscrew screw connections 15
 Remove cover 01
 Remove diaphragm 02
 Remove bottom seat 05 to replace O-ring 18
 Replace O-ring 18
 Replace O-ring 16
 Fit bottom seat 05, new diaphragm 02 and cover 01 with O-ring 16
 Tighten screw connection 15 (even and diagonally)
 Connect impulse line.
Figure 6a: Pressure converter SM1.x-A