OUTER BOOM MAINTENANCE - CONTINUED
INSTALLATION - CONTINUED
Do NOT remove hydraulic tank filler cap or disconnect or remove any hydraulic system line or fitting
unless hydraulic system pressure has been relieved. Hydraulic system pressure can be over 3000 psi
(20685 kPa), even with engine and pump OFF. To relieve pressure, lower all hydraulic attachments to
the ground and shut down engine. Move control levers through all operating positions, then SLOWLY
loosen hydraulic tank filler cap. After maintenance, tighten all connections before applying pressure.
Escaping hydraulic fluid under pressure can penetrate the skin, causing injury or death.
Remove hose caps carefully prior to connecting lines in step 15. Hydraulic oil may be under pressure.
Failure to follow this precaution will cause personal injury.
Connect three hoses (1) to three lines (4) at bulkhead
Position hoses (2) on underside of outer boom (3) and
secure with four clamp halves (6), nut (7) and cap-
Start engine and lower outer boom (3) until horizontal.
Stop engine (TM 10-3930-660-10).
Install intermediate boom (WP 0263 00).
Lubricate boom pivot pins and boom hoist cylinder
upper pivot pins.
Operate boom and check for proper operation (TM 10-
END OF WORK PACKAGE