TM 9-2320-260-34-2
15-10. HYDRAULIC HOSE AND TUBE REPLACEMENT
THIS TASK COVERS:
b. Installation
Removal
a.
INITIAL SETUP
REFERENCES (TM)
APPLICABLE MODELS
LO 9-2320-260-12
M819
TM 9-2320-260-10
TOOLS
TM 9-2320-260-34P-2
General mechanic's tool kit
EQUIPMENT CONDITION
(Appendix B, Item 1)
q Parking brake set (TM 9-2320-260-10).
MATERIALS/PARTS
q Shipper brake in travel position
(TM 9-2320-260-10).
NOTE
There are three types of hydraulic hose and tube connections
found on the M816 and M819 wreckers. This procedure covers the
solid female and swivel male connection.
I
a. Removal
CAUTION
Clean area around hoses and lines before removal to prevent
q
entry of dirt. Damage will occur if dirt or dust enters system.
Cap or plug all openings after disconnecting tubes and hoses to
q
prevent contamination. Failure to do so may result in hydraulic
pump damage.
q Do not twist hose during removal. Damage to hose may occur.
NOTE
q Tag all hoses and tubes for installation.
Use more than one wrench for removal and installation of hoses
q
and tubes.
Hose and fittings connected by a
single hexagonal nut cannot be
q
disconnected until the swivel nut
connection at the opposite end
is removed. The entire hose must
be free to turn when removing
this type of hose connection.
q Have drainage container ready to
catch oil.
1.
Separate two hoses (1) and (2) from fittings (7) and (8).
2.
Remove hose (2) from check valve (4).
3. Remove hose (1) from elbow (3).
4. Remove bypass hose (6) from elbow (5).
5. Remove bypass hose (6) from elbow (9).
15-20
