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TM 9-2320-356-BD
Section VIII.
FLUIDS AND SEALS
3-25.
GENERAL
Hydraulic circuits use fluids under pressure to activate, regulate, or drive
mechanisms in the vehicle.
To contain the pressure within the hydraulic system,
all moving parts are sealed with gaskets, packing, and O-rings, Leakage at any of
these, or at hydraulic devices or the lines that connect them, will render the
entire system useless until the leak has been stopped.
3-26.
HYDRAULIC FLUID SUBSTITUTION
If the original fluid is lost and standard replacement is not available, a
substitute fluid must be used.
Check appendix D for a compatible fluid.
3-27.
O-RING LEAKAGE
The following fixes could be used:
a.
A damaged O-ring could be repaired using plastic rubber. Apply the plastic
rubber to the damaged area and press out air pockets.
Allow to cure 1 hour
(overnight for best results) before installation.
b.
Use a sharp tool such as a razor blade and cut a section of rubber having
the same size as the damaged O-ring.
~., -—-. . . . . .
3-19
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