repeat the valve changing procedure (para. 17).
18.
Returning Faulty Valve to Container
If the new valve cannot be screwed into place, the
faulty valve must be reinstalled.
19.
Removing M1 Valve Replacement Mechanism
a. Unlock the wrench holder (5, fig. 4) by holding
a. Loosen and remove the adjustable chain
the lock bolt screw (13) in the unlocked position.
couplings and the coupling chains.
b. Hold the new valve socket away from the
b. Remove the new valve wrench assembly, the
shield (3) with the valve socket lever (4, fig. 6).
valve socket assembly, and the yoke collar.
c. Turn the wrench holder clockwise to the old
c. Loosen the adjusting keys by turning the
valve position and lock in place by releasing the lock
adjusting knobs clockwise.
bolt screw.
d. Slide the M1 valve replacement mechanism
d. Attach the old valve wrench to the old valve
off the new valve socket.
socket and screw in the old valve.
e. Remove the new valve socket cap and socket
Note.
from the new valve socket.
The operator may need help to catch
f. Unscrew the spring collar from the old valve
socket and remove the wrench shaft spring.
the valve threads while working
g. Withdraw the old valve socket from the
against escaping gas pressure. The
wrench holder.
assistant operator must push the old
h. Remove the old valve socket cap and socket
valve wrench toward the one-ton
from the old valve.
container while the operator is
i. Decontaminate the mechanism if necessary
screwing in the old valve.
(para. 22d(1) ).
e. After reinstalling the old valve, correct the
condition that prevented insertion of the new valve and
TAGO 5013-A 16
