TM10-3930-660-20 18-19. MLRS ATTACHMENT -  REPLACE This task covers: a. Removal b.  Installation Initial  Setup Tools Tool Kit, Automotive Mechanics Lifting Device, 5 ton capacity Lifting Chain, capacity 300 lbs. Cap and Plug set Equipment  Condition Boom  extended  approximately  3  ft. Negative battery cable disconnected, para.  8-44. Materials/Parts Anti-seize Compound (App. C, Item 9) Container, 1 Gal. Locknut  (23,  25) Lockwashers (17), (19), (30) Loctite 242 (App. C, Item 39) Tie straps (10) Personnel  Required Two  Personnel Hydraulic oil in the system can be under pressures over 3000 psi with the engine OFF. ALWAYS relieve pressure in hydraulic lines before attempting to remove any component in the hydraulic SYStem. With engine OFF, starter switch in RUN position, and MLRS attachment on the ground, move control levers through all operating positions several times to relieve line pressure. Relieve Pressure in hydraulic oil tank by loosening filler cap very slowly. Failure to precautions could result in personal injury. follow these serious At operating temperatures, hydraulic oil is hot and under pressure. Hot oil can cause injuries. Allow hydraulic oil to cool before disconnecting any hydraulic lines. 18-73