QHT RIVA FP Service Instructions Manual page 38

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Third Part
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4) Re-assemble the parts in reverse order of
removal. Refer to Figure 3 for the correct
wiring connectors on the switch.
B Removal of the membrane
1) Remove the front and side panels of the case
and empty the primary circuit.
2) Remove the fork C that holds the micro-switch
housing D (Figure 4).
3) Unscrew the four screws E (see Figure 5)
open the hydraulic operator and remove the
membrane F.
RIVA FP SERVICE MANUAL – REV A
(edition-0106)
C
D
Figure 4
Primary Circuit Flow Switch
H
4) Reassemble the parts in reverse order of
removal.
When assembling the membrane, ensure that
its concave side faces towards the actuator
plate G and the reference indicated aligns
with the seat H (see Figure 5).
F
G
E
Figure 5
9-2