TM10-3930-660-34 16-5.  MLRS ATTACHMENT CONTROL VALVE - REPAIR This task covers: a. Removal c. Inspection e. Pre-Load Check of Bearing b. Disassembly d. Reassembly f. Installation INITIAL SETUP: Tools Tool Kit, Automotive Mechanics Shop Equipment, Automotive Maintenance, Common t2 Less Power Equipment Condition MLRS attachment control valve removed, TM10-3930-660-20. Materials/Parts Hydraulic Oil (App.  B, Item 35) Lint-Free Rags (App.  B, Item 38) Lockwashers (49) O-rings (3, 4, 7, 14, 17, 22, 24, 27, 42, 43, 51, 52, 60, 62) DISASSEMBLY NOTE Do  not  remove  relief  valves  unless  they  are being disassembled. 1. REMOVE AND DISASSEMBLE RELIEF VALVE PARTS (1-12). a. Loosen nut (1) on body (2) and remove entire relief valve  (parts  1-13)  as  an  assembly.    Remove  and discard O-rings (3) and (4). b.   If necessary, remove nut (1). c. If necessary, remove nuts (5) and (6).  Remove and discard two O-rings (7). NOTE Do  not  remove  relief  valves  unless  they  are being disassembled. 16-24