L'HOTELLIER
COMPONENT MAINTENANCE MANUAL
12589-( )
PRINTED IN FRANCE
26-20-50
Page 7003
APR 01/11
TASK 26-20-50-400-802-A01
3.
Preparation for Assembly
WARNING :
DO THE HYDROSTATIC TEST BEFORE ASSEMBLY, IF NECESSARY. THIS
WILL PREVENT POSSIBLE INJURY CAUSED BY CONTAINERS THAT BREAK
OPEN.
A. Preparation
WARNING : CONCENTRATION OF COMPRESSED AIR OR UNWANTED MATERIAL
MOVED BY COMPRESSED AIR CAN CAUSE INJURY TO PERSONS.
ALWAYS POINT COMPRESSED AIR AWAY FROM PERSONS. USE
APPLICABLE EYE PROTECTION TO PREVENT INJURY TO YOUR EYES.
(1)
Clean the internal surface of the container with clean, dry, oil-free nitrogen or air at a
maximum pressure of 30 psig (207 kPa).
TASK 26-20-50-410-801-A01
4. Disc
Assembly
A.
Clean the disc assembly. Refer to CLEANING section.
NOTE :
When you clean the disc assembly, be careful not to remove the manufacturer's
data.
B.
Install the disc assembly in the container neck.
C.
Make sure the mounting ring of the disc assembly is flush with the container neck.
D.
If the disc-assembly is not flush, use the disc-assembly weld-machining tool (refer to figure
3003) to machine the disc-assembly mounting-ring until it is flush with the container neck.
E.
Use a tungsten inert gas (TIG) welder and the straight fusion weld procedure to weld the disc
assembly to the neck as follows:
NOTE :
Clean all the weld areas with alcohol to remove all oil, grease and other
contamination.
F.
Put the chill block and protector tool 751777 on the disc assembly so that the disc assembly
will not become too hot
G.
Tack weld the disc assembly at three equally spaced locations to hold the disc assembly in
position.
NOTE :
Do not operate the welder at more than 25 amps.
H.
Fuse-weld the edge of the joint around the circumference of the disc assembly. You must not
use filler wire. Make sure that the depth of the weld is between 1 and 1,5 mm (0.039 and 0.059
in).
I.
Remove the protector tool, welding.
The document reference is online, please check the correspondence between the online documentation and the printed version.