TM-9-2320-366-34-1

TM 9-2320-366-34-1

CONTROL VALVE FLOW AND PRESSURE TEST

Cont

(Continued from previous page)

(14)

Connect hose to port A of telescopic cylinder.

(15)

Disconnect hose from port B of telescope

cylinder.

(16)

Connect hydraulic tester between hose and

port B with test hose and adapter.

(17)

Start engine (TM 9-2320-366-10-1).

(18)

Increase engine rpm to 1250-1450 rpm (TM

9-2320-366-10-1).

(19)

Position MHC main power switch to ON

(TM 9-2320-366-10-1).

(20)

Operate MHC telescopic cylinder out

(TM 9-2320-366-10-1), perform flow

test and note flow reading.

(21)

Operate MHC telescopic cylinder in (TM 9-2320-

366-10-1), perform pressure test and

note pressure reading.

(22)

If flow is not 7 gpm (26.5 lpm) for telescopic

cylinder in or 12 gpm (45 lpm) for telescopic

cylinder out, replace control valve (para 16-59).

(23)

If pressure is not 3000-3100 psi (20685-21375

kPa), replace eight bank valve

assembly

(para 16-59).

(24)

Position MHC main power switch to OFF

(TM 9-2320-366-10-1).

(25)

Position PTO switch to off

(TM 9-2320-366-10-1).

(26)

Disconnect test hose and hydraulic tester from

port B.

(27)

Connect hose to port B of telescopc cylinder.

(28)

Stow crane (TM 9-2320-366-10-1).

(29)

Shut down engine (TM 9-2320-366-10-1).

j7.