Reassembly
9.6
Basic function and Air Leak Test
CAUTION: MOVING PARTS
Applying pressure to the actuator will cause the actuator/valve assembly to operate.
1.
Apply pressure (max. 8 bar/120 psi) to ports A and B. Use some soap suds at the
indicated points: around pinion top (1), pinion bottom (2), the end caps (3) and
limit stops (4).
2.
In case of leakage around:
a.
The limit stop bolts: Turn the lock nut of the bolts tighter, until the leakage
stops.
b.
The end caps: Disassemble the end caps, replace o-rings and reassemble.
c.
The pinion top or bottom and A- or B- port: Disassemble the complete
actuator, replace o-rings and reassemble.
Figure 36
Basic function and air leak test
A
B
A B
2
3
3
1
4
Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
September 2017
45
Section 9: Reassembly
