TM 9-2330-381-14
4-80.
LINE FRACTURE VALVE (CONT)
Equipment Condition
If repairing a gooseneck cylinder line fracture valve, proceed as follows:
Tractor and semitrailer coupled to support gooseneck (para. 2-24)
Gooseneck and suspension shut-off valve handles pulled out to ADJUST position (para. 2-6)
If repairing a suspension cylinder line fracture valve, proceed as follows:
Gooseneck and suspension shut-off valve handles pulled out to ADJUST position (para. 2-6)
Suspension cylinder disconnected from upper suspension arm (para. 4-41)
Suspension hoses unscrewed and removed from line fracture valve (para. 4-41)
General Safety Instructions
WARNING
Hydraulic fluid may be hot if system has been in operation. Allow time for system
to cool before performing maintenance or injury to personnel may result.
Hydraulic fluid may be absorbed through the skin. Wear long sleeves, and gloves
or goggles. If hydraulic fluid gets into the eyes, flush them immediately with water
and seek medical attention. If hydraulic fluid gets on skin, thoroughly wash with
soap and water. Wash hands thoroughly prior to eating or smoking.
REMOVAL
Remove four capscrews (1), lockwashers (2), and washers (3), line fracture valve (4), and preformed packing (5) from
cylinder (6). Discard lockwashers and preformed packing. Install plug into back of line fracture valve.
INSTALLATION
1.
Lubricate preformed packing (5) with petroleum jelly.
2.
Remove plug and install preformed packing (5) onto back of line fracture valve (4).
3.
Aline line fracture valve (4) with cylinder (6) and secure with four capscrews (1), lockwashers (2), and washers
(3).
4-396