TM 9-2320-366-20-3
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
1.
Is orifice screw or orifice
filter (if equipped) free of
debris?
Visual Inspection
If orifice screw and/or orifice
filter (if equipped) is clogged,
orifice screw and/or orifice
filter is faulty.
Air/hydraulic power unit
oil level OK.
Air/hydraulic power unit
primed.
Hydraulic and air hoses
OK.
Air tanks charged.
Hydraulic oil filter OK.
Other hydraulic manifold
functions OK.
POSSIBLE PROBLEMS
z3. SPARE TIRE RETAINER DOES NOT RAISE
2-2416
Change 1
Debris in orifice filter (if
equipped).
Debris in orifice screw.
Faulty hydraulic manifold
SPARE TIRE valve.
Faulty spare tire retainer
cylinder.
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-366-10-1).
Air tanks drained (TM 9-232-366-10-1).
Personnel Required
(2)
Material/Parts
Rag, Wiping (Item 50, Appendix D)
Filter, Element, Fluid (Item 21.1, Appendix G)
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Pan, Drain (Item 24, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Transmitter, Pressure (Item 1, Appendix J)
Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)
Key, Socket Head Screw (Item 38.1, Appendix B)
References
TM 9-4910-571-12&P
YES
NO
START
NOTE
On vehicles S/N 0001 through 7558, the hydraulic manifold,
P/N 12420621, was not originally equipped with an orifice
filter.
Orifice filter, P/N 117073098-000, however, may have
been installed during previous maintenance to the hydraulic
manifold.
Clean orifice screw and/or replace
orifice filter (if equipped).