Drop hydraulic pressure to zero before disconnecting any hydraulic hoses. Failure to comply may result in injury to personnel. Hydraulic fluid (MIL-H-5606) is TOXIC. Wear protective goggles and gloves; use only in well ventilated area; avoid contact with skin, eyes, and clothes. Skin and clothing that come into contact with hydraulic fluid should be washed immediately.  Saturated clothing should be removed immediately.  Failure to comply may result in injury to personnel. WARNING PRESSURE TEST Change 1          2-2116.7 TM 9-2320-365-20-2   (1)  Position drain pan under cab hydraulic         cylinder.   (2)  Disconnect CAB RAISE pressure hose         from cab hydraulic cylinder output port.   (3)  Connect STE/ICE-R to CAB RAISE pressure         hose.   (4)  Start engine and charge air tanks         (TM 9-2320-365-10).   (5)  Position CAB TILT knob to RAISE.   (6)  Position FUNCTION SELECT knob         to CAB TILT.   (7)  Push and hold PUMP plunger button         and perform STE-ICE-R Test #51         (TM 9-4910-571-12&P).   (8)  If pressure is not 2,500-4,000 psi (17,237-         27,580 kPa), repair hydraulic manifold         CAB TILT valve (para 19-4).   (9)  If pressure is 2,500-4,000 psi (17,237-         27,580 kPa), replace cab hydraulic         cylinder (para 19-10). (10)  Drain air tanks (TM 9-2320-365-10). (11)  Disconnect STE/ICE-R from pressure         hose. (12)  Connect pressure hose to cab hydraulic         cylinder output port. (13)  Close hydraulic manifold cover and install         pin.