Emerson Fisher OS2 Instruction Manual page 9

D2
D1
SLIDING
TRAVEL STOP
CLEVIS
VALVE OPEN
E0611
SLAM-SHUT VALVE OPEN
TRAVEL STOP
VALVE CLOSED
E0613
RESET DETECTION STAGE (FIRST STAGE)
NOTE: ORIENTATION SHOWN IS FOR TYPE OSE. ORIENTATION FOR TYPES 627-OSX, EZH-OSX, EZL-OSX AND EZR-OSX IS ROTATED 180°.
RESET PIN WITH WHITE DOT
SECOND
STAGE
RELEASING
SHAFT
STEP A
Figure 7. Mechanism Trip Stages
TRAVEL STOP
VALVE CLOSED
E0612
SLAM-SHUT VALVE CLOSED
TRAVEL STOP
STEP B
VALVE OPEN
E0614
RESET POWER STAGE (SECOND STAGE)
Type OS2
RESETTING
TOOL
9