MOS-94P Multiple Launch Rocket System (MLRS) Repairer M142 HIMARS Download
Page 112 of 188
(6) Connect hydraulic pump to heat exchanger pressure hose to Heat Exchanger Unit (HEU) port A. (7) Connect hydraulic pump to heat exchanger return hose to Heat Exchanger Unit (HEU) port B. (8) Install tie down straps securing heat exchanger hoses to transmission hose. Connect hydraulic pump case drain hose to engine compartment bulkhead 109. (9) Connect hydraulic pump return hose to engine compartment bulkhead 109. (10) Connect hydraulic pump pressure hose to engine compartment bulkhead 109. (11) Locate aft right engine compartment, and secure hoses to hose support bracket. d. Connect the electrical cables W338 to the hydraulic pump. e. Perform a hydraulic system status check. f. Move the M270A1 rocket launcher in azimuth and elevation. g. Complete maintenance forms. 2. Use the Interactive Electronic Technical Manual (IETM) with Maintenance Support Device (MSD) and following the on screen prompts to perform maintenance procedures. 3. Remove the defective hydraulic pump unit. a. Remove tie down straps securing hoses to hose support bracket aft right engine compartment. Disconnect the hydraulic pump pressure hose from engine compartment bulkhead 109. Disconnect the hydraulic pump return hose from engine compartment bulkhead 109. b. Disconnect the hydraulic pump case drain hose from engine compartment bulkhead 109. Disconnect the hydraulic pump to heat exchanger pressure hose from Heat Exchanger Unit (HEU) port A. Disconnect the hydraulic pump to heat exchanger return hose from Heat Exchanger Unit (HEU) port B. c. Remove tie down straps securing heat exchanger hoses to transmission hose, so the hoses can be removed from pump. d. Remove fan drive propeller shaft guard. Disconnect the W338P3 connect from hydraulic pump J1. 3-82 1 October 2014