ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
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).