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 627 of 863
16-38. CHECK VALVES REPLACEMENT
(M819)
THIS TASK COVERS:
a. Elevating
Cylinder Check Valve Removal
c. Elevating Cylinder Check Valve Installation
b. Hoist Winch Motor Check Valve Removal
d.
Hoist Winch Motor Check Valve Installation
APPLICABLE
MODELS
M819
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
1-11/16-in. open-end wrench
(Appendix B, Item 127)
MATERlALS/PARTS
Antiseize tape (Appendix C, Item 50)
Cap and plug set (Appendix C, Item 6)
REFERENCES (TM)
LO 9-2320-260-12
TM 9-2320-260-10
TM 9-2320-260-34P-2
EQUIPMENT CONDMON
●
Parking brake set (TM 9-2320-260-10).
Ž Drain hydraulic oil reservoir (LO 9-2320-260-12).
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 immediately after disconnecting lines
and hoses to prevent contamination. Remove caps
or
plugs prior
to installation. Failure to do so may result in hydraulic system
damage.
a.
Elevating Cylinder Check Valve Removal
NOTE
●
Have drainage container ready
to
catch oil.
●
Tag hoses and tubes for installation.
1. Holding nut (4) on hose (1), loosen nut (3) and disconnect hose (1) from tube
(2).
2.
Remove hose (1)
from
check valve (6).
3. Remove check valve (6) from elbow (5).
b. Hoist Winch Motor Check Valve Removal
NOTE
●
Have drainage container ready to catch oil.
●
Tag hoses and tubes for installation.
1. Holding nut (12) on hose (7), loosen nut (11) and disconnect hose (7) from tube (10).
2. Remove hose (7) from
check
valve
(8).
3. Remove check valve (8) from elbow (9).
c. Elevating
Cylinder
Check Valve Installation
I
1. Wrap male threads on elbow (5) and hose (1) with antiseize tape.
2. Install check valve (6) on elbow (5).
3. Install hose (1) in check valve (6).
4. Connect hose (1) to tube (2) with swivel nut (3) and nut (4).
16-228
TM 9-2320-260-34-2
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