MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download
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STP 9-94P1-SM-TG (1) Remove tie down straps securing hoses to hose support bracket at right of engine compartment. (2) Disconnect the hydraulic pump pressure hose from engine compartment bulkhead 109. (3) Disconnect the hydraulic pump return hose from engine compartment bulkhead 109. (4) Disconnect the hydraulic pump to heat exchanger pressure hose from Heat Exchanger Unit (HEU) port A. (5) Disconnect the hydraulic pump to heat exchanger return hose from Heat Exchanger Unit (HEU) port B. (6) Remove tie down straps securing heat exchanger hoses to transmission hose, so the hoses can be removed from pump. (7) Remove fan drive propeller shaft guard. Disconnect the W338P3 connect from hydraulic pump J1. (8) Disconnect the W338P4 connect from hydraulic pump J2. Remove the ground strap from ground stud. Install hardware on pump grounding stud. (9) Secure pump with lifting strap and maintain tension. Remove clamp from around pump mounting flange. (10) Guide pump shaft away from clutch until splinded coupling shaft is fully disengaged from clutch. Remove pump and set the hoses as high as possible in relation to pump to minimize fluid loss. c. Install the replacement hydraulic pump unit. (1) Lower pump into engine compartment. (2) Guide pump forward toward clutch until pump splined coupling shaft engages clutch receptacle. (3) Install clamp from around pump mounting flange. Tighten pump mounting clamp, and torque clamp nut between 7.9 to 8.5 Nm (69.92 to 75.23 in-lbs). (4) Install ground strap and secure to pump ground stud. Connect cable W338P3 to hydraulic pump J1. (5) Connect cable W338P4 to hydraulic pump J2.Install fan drive propeller shaft guard. 1 October 2014 3-81