ORGANIZATIONAL TROUBLESHOOTING - continued

TM 9-2320-269-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

HYDRAULIC SYSTEM - CONTINUED

DERRICK WILL NOT RAISE OR HOLD LOAD - CONTINUED

Step 2. Test main hydraulic pressure.

a. Install pressure gage into fitting (4), have assistant engage power takeoff, and start

engine (TM 9-2320-269-10).

b. If gage reads less than 2800 psi (19360 kPa), shut off engine, remove gage, and notify

Direct Support Maintenance.

Shut off engine (TM 9-2320-269-10), and remove gage.

Step 3. Inspect outrigger lockout switches (5) for damage and loose parts.

a. If switches (5) are cracked or broken, replace (page 2-917).

b. Remove switches (5) (page 2-917).

If wires (6) are loose, broken, or corroded, tighten using flat-tip screwdriver or repair as

Step 4. Test outrigger lockout switches (5) for resistance.

a. Connect ohmmeter across terminals (7), and check meter reading.

b. If meter reading was more than zero ohms, replace switches (5) as needed. Install

switches (5) (page 2-917).

2-137

Index