TM 10-3930-659-20 10-11.    RIGHT BRAKE VALVE-TO-REAR BRAKE 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- • Three preformed packings 659-10). •    Right side cab skirt removed (see paragraph 14-6).   References: •    Right transmission side guard removed (see para-•   TM 10-3930-659-10 graph 14-7). Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) NOTE 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. NOTE •  It  Is  necessary  to  hold  boot  of  one  brake  pedal  with  hand  while  opposite brake pedal Is pumped.  Movement inside boot will be felt as opposite brake pedal Is pumped. Accumulator pressure Is relieved when movement stops. • Each brake pedal should be pumped a full 75 times even if no movement is felt after pumping brake pedal several times. 1. Hold boot (3) of left brake pedal (4) with hand and pump right brake pedal (1) 75 times.  Release boot. 10-32