GE GL 311 F3/4031 P/VE Operating Instructions Manual page 138

S O
LOW PERATION FOR
138 / 146
M P
AINTENANCE
Locking the Undervoltage Releases
• If the spring mechanism is equipped with undervoltage releases
and if slow closing or opening operations are necessary, then the
undervoltage release must be locked.
If
Undervoltage release has no lok-
king device
10
10 Locking device for undervolta-
ge release
Undervoltage release has inte-
grated locking device
Locking lever in operation positon
Locking lever in locking positon
OI 250 (EN)
URPOSES
Then
Insert hook of locking device (10)
and pull out solenoid until it hits
the stop;
• then
slightly.
Nut
• Turn the locking lever from
operation position to locking
position
hand-tighten the
REV7
/REV3
nut