TM 9-2330-381-14
4-90.
GOOSENECK CYLINDER HYDRAULICS (CONT)
REMOVAL
1.
On streetside of semitrailer, remove screw (1) and two block clamp halves (2).
2.
Tag and remove two hoses (3) and hose (4). Install caps/plugs into all openings.
3.
Remove two straight adapters (5) and preformed packings (6), elbow (7), and preformed packing (8). Install
caps/plugs into all openings. Discard preformed packings.
4.
On curbside of semitrailer, remove screw (9) and two block clamp halves (10).
5.
Tag and remove two hoses (11) and hose (12). Install caps/plugs into all openings.
6.
Remove two straight adapters (13) and preformed packings (14), elbow (15), and preformed packing (16). Install
caps/plugs into all openings. Discard preformed packings.
INSPECTION
WARNING
Compressed air used for cleaning/drying can create airborne particles that can
injure the eyes. Always wear eye protection. Pressure must not exceed 30 psi
(207 kPa) or injury to personnel may result.
Dry cleaning solvent (P-D-680, Type III) is used to clean parts and is potentially
dangerous to personnel and property. Extinguish all smoking materials and do not
allow sparks or open flames near the work area. Use skin and eye protection and
work in a well-ventilated area. Flash point of dry cleaning solvent is 200F (93C).
1.
Clean inside of hoses with compressed air. Clean outside of hoses with wiping rags. Clean all other components
with dry cleaning solvent.
2.
Inspect hoses for kinks, splits, deterioration, chafing, cuts, and loose fittings. If hose is defective, notify DS
maintenance.
3.
Inspect other components for nicks, burrs, corrosion, stripped threads, and pitting. If parts are defective, replace
as required.
INSTALLATION
1.
Remove caps/plugs. Apply petroleum jelly to preformed packing (16) and two preformed packings (14).
2.
On curbside of semitrailer, install preformed packing (16), elbow (15), two preformed packings (14), and two
straight adapters (13).
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