LEFT AND/OR RIGHT HOIST CYLINDERS DO NOT EXTEND OR RETRACT - continued

TM 10-3930-673-20-1

TR01812

MAIN CONTROL VALVE

PRESSURE TEST

(1) Remove cover from diagnostic coupler

on main control valve.

(2) Perform STE/ICE Test #51

(TM 9-4910-571-12&P).

(3) Read output pressure on test device.

(a) If hydraulic oil pressure is at 3050

+/- 50 psi (21029.75 +/- 345 kPa),

go to Step 6 of this fault.

(b) If hydraulic oil pressure is not at

3050 +/- 50 psi (21029.75 +/-

345 kPa), shut down engine

(TM 10-3930-673-10) and replace

main control valve (Para 18-5).

TR01257

Change 1

2-809