TM-9-2320-260-34-2
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2
JULY 1994
TM-9-2320-260-34-2 - Page 81 of 863
TM 9-2320-260-34-2
15-10. HYDRAULIC HOSE AND TUBE REPLACEMENT
THIS
TASK
COVERS:
a.
Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
REFERENCES (TM)
M819
LO 9-2320-260-12
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
MATERIALS/PARTS
Cap
and
plug set (Appendix C,
Item
6)
TM 9-2320-260-10
TM 9-2320-260-34P-2
EQUIPMENT CONDITION
●
Parking brake set (TM 9-2320-260-10).
●
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
entry of dirt. Damage will occur if dirt or dust enters system.
●
Cap or plug all openings after disconnecting tubes and hoses to
prevent contamination. Failure to do so may result in hydraulic
pump damage.
●
Do not twist hose during removal. Damage to hose may occur.
NOTE
●
Tag all hoses
and tubes
for installation.
●
Use more than one wrench for removal and installation of hoses
and tubes.
●
Hose and fittings connected by a single hexagonal nut cannot be
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.
●
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
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