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TM 9-2330-272-14
4-97. EMERGENCY RELIEF VALVE OPERATOR CONTROL CABLE ASSEMBLY
REPLACEMENT.
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
Tank drained (para 4-64).
General mechanic’s tool kit
Common no. 1 shop set
NOTE
Emergency relief valve operator control cable assemblies consist of a one-piece
wire rope routed through two lengths of tubing. The tubing lengths are joined in the
middle by a connector with a grease fitting. If either wire rope, tubing lengths, or
grease fitting are damaged, entire control cable assembly is replaced as a unit.
Emergency relief valve operator control cable assemblies are replaced in a similar
manner for all models. M131A5 and M131A5C have three control cable assemblies.
M131A4 and M131A4C have five control cable assemblies. M131A5 is illustrated.
1.
2.
3.
4.
5.
6 .
7 .
8 .
NOTE
To remove control cable assembly between emergency relief valve shutoff at front
roadside of semitrailer and operator control inside cabinet, perform steps 1 through
4, 9, and 10.
To remove control cable assembly between operator control inside cabinet and one
emergency relief valve, perform steps 5 through 10.
Loosen two nuts (10), U-bolt (13), and cable clamp (12) and disconnect wire rope (14) from emergency relief
valve shutoff (11).
Loosen nut (16) and disconnect tubing (9) from connector (15) at emergency relief valve shutoff (11).
Disconnect wire rope (14) from operator control (17) inside cabinet (para 4-96).
Loosen nut (18) and disconnect tubing (9) from connector (19) at operator control (17).
Loosen two nuts (8), U-bolt (6), and cable clamp (7) and disconnect wire rope (3) from emergency relief valve
(1).
Loosen nut (5) and disconnect tubing (2) from connector (4) at emergency relief valve (1).
Disconnect wire rope (3) from operator control (17) inside cabinet (para 4-96).
Loosen nut (18) and disconnect tubing (2) from connector (19) at operator control (17).
4-210
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