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Tests – Drive signal diagram steady-state
Perhaps not enough
Working at full capacity
54
Requirements
– Model: Single acting
– Booster: Not present
– Target mode: Manual
Status classification (NE 107)
Air supply
Reference test completed?
Section 1.2.1
u
Air supply:
Actuator springs:
Perhaps modified
Perhaps spring stiffness
bias reduced
Working at full capaci-
â
Status classification (NE 107)/
logged by operating hours counter
Air supply
â
Reset 'Drive signal diagram steady-state measured data'
â
Actuator
Leakage
springs
pneumatics
â
Start test
NO à
YES
â
â
Test analysis
Pneumatic leakage:
Perhaps too large
reduced/
Perhaps existing
ty
â
â
Actuator
Leakage
springs
pneumatics
â
â
First test = Reference
Start test
EB 8389S EN
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