1.
YES
NO
Visual Inspection
v1. CAB DOES NOT RAISE
Clean orifice screw
and/or replace orifice
filter (if equipped).
TM 9-2320-365-20-2
2-2116 Change 1
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-365-10).
Air tanks drained (TM 9-2320-365-10).
Personnel Required
(2)
Material/Parts
Rag, Wiping (Item 51, Appendix D)
Filter Element, Fluid (Item 14.1, Appendix G)
KNOWN INFO
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
Debris in orifice filter (if
equipped).
Debris in orifice screw.
Faulty cab hydraulic latch.
Faulty hydraulic manifold CAB
TILT valve.
Faulty cab hydraulic cylinder.
If orifice screw and/or orifice
filter (if equipped) is clogged,
cab may not raise.
TEST OPTIONS
REASON FOR QUESTION
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, 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 58, Appendix C)
Key, Socket Head Screw (Item 35.1, Appendix B)
References
TM 9-4910-571-12&P
START
NOTE
Is orifice screw or orifice
filter (if equipped) free of
debris?
Vehicles S/N 0001 through 7558, with hydraulic manifold
P/N HFC32598, were not originally equipped with an orifice
filter. However, an orifice filter may have been installed
during previous maintenance to the hydraulic manifold.
WARNING
Read WARNING
on following page.
