TM10-3930-660-20 14-6. EMERGENCY STEERING PUMP - REPLACE This  task  covers: a.  Removal b. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Container, 6 Gal. Lockwashers  (15) Cap and Plug Set Tags (App. C, Item 51) Test Equipment Personnel  Required Gage,  Hydraulic  Pressure Two Personnel Flowmeter,  Hydraulic Equipment  Condition Vehicle parked on level ground. Negative battery cable disconnected, para.  8-44. REMOVAL NOTE The emergency steering pump is located under the vehicle frame. WARNING 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 follow these precautions could result in serious personal injury. 14-7