Specifications

TM 9-2330-384-14&P
4-78. VAPOR COLLECTION SYSTEM MAINTENANCE.
[THIS TASK COVER
a. Removal of Vapor Return Line and
c. Removal of Vapor Vent Hose
Adapter d. Installation of Vapor Vent Hose
b. Installation of Vapor Return Line and
Adapter
Equipment Conditions: Materials/Parts:
Ref Conditions - One gasket
4-68 Tank purged.
- Four lockwashers
Tools:
Personnel Required: Two
• Tool kit, general mechanic's
General Safety Instructions:
• Pipe wrench
• Wire cutter
Use extreme caution when working or
walking on top of semitrailer.
a. REMOVAL OF VAPOR RETURN LINE AND ADAPTER
(1) Remove dust cap (1) and adapter (2) from vapor return line (6). If dust cap gasket (9) is
damaged, remove and discard. If dust cap is damaged, cut cable and remove dust cap from
adapter.
WARNING
Use extreme caution when working or walking on top of semitrailer.
Walkway can become slippery due to moisture or fuel spillage. Failure to
follow this warning may result In serious Injury to personnel.
(2) Remove retaining strap (11) securing hose (12) to vapor return line (6).
(3) Remove four nuts (5), lockwashers (7), washers (4), and two U-bolts (8) from two support
brackets (3). Lower vapor return line (6) to ground. Discard lockwashers.
(4)
Remove retaining strap (13) and hose (12) from line at overturn rail (10).
4-254