TM 10-3930-659-20 10-14.    BRAKE VALVE-TO-ACCUMULATOR HOSE AND FITTINGS REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Parking brake set (see TM 10-3930-659-10). ·• Rags (Item 27, Appendix C) •    Frame  locking bar installed (see TM 10-3930- • Four preformed packings References: 659-10). • Cab skirts removed (see paragraph 14-6). • TM 10-3930-659-10 Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) NOTE •  Right  and  left  brake  valves-to-accumulator  hoses  and  fittings  are  replaced the   same   way.      Right   brake   valve-to-accumulator   hose   and   fittings   are Illustrated. •  A  suitable  container  should  be  used  to  catch  any  draining  hydraulic  fluid. Ensure that all spills are properly cleaned. a. REMOVAL WARNING Pressure  stored  In  accumulator  Is  approximately  500  psi  (3448  kPa).    Ensure that accumulator pressure Is relieved before removing service brake hoses or components.    Failure  to  follow  this  warning  may  result  in  serious  Injury  or death to personnel. 10-41