Gain Hinge Spring; Positioner With Manifold - ABB AV1 Operating Instructions Manual

REPAIR AND REPLACEMENT

Gain Hinge Spring

Tools Required:
REPLACEMENT PROCEDURES
8 - 2
8. Place the manifold in place on the positioner so it properly seats
on the bosses.
9. Insert the Allen screws and torque them to 3.5 Nm (31 in.-lbs).
Not all of the Allen screws are the same length. Be sure each screw
mates correctly.
10. To replace the filters and filter cover, refer to
TERS in Section 7.
ALLEN
SCREWS
Figure 8-1. Positioner with Manifold
NOTES:
1. Refer to Table 4-1
2. Item numbers in this procedure reference Figure
Flat-tip screwdriver.
•
⁄
9 -inch Allen wrench.
•
64
1. Transfer the positioner from automatic to manual operation
(Section 5).
2. Remove the positioner cover by removing the two cover screws.
3. Remove the plug button (Item 29) from the positioner housing.
This opening provides access to the screws.
O1
O2
O2
O1
AUTO
I
S I
for gain hinge spring part numbers.
MANIFOLD FIL-
FILTER
COVER
COVER
SCREW
VALVE
HANDLE
T00738A
9-3 or 9-4.