TM 10-3930-659-20 17-3. FORK/BRAKE HYDRAULIC PUMP STANDBY PRESSURE TEST. This Task Covers: Pressure Test 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 1 -3930- •  One preformed packing 659-10). • Right side cab skirt removed (see paragraph 14-6). Tools/Test Equipment: • Right transmission side guard removed (see para- •  General mechanic's tool kit (Item 44, Appendix F) graph 14-7). •  Pressure gage (Item 18, Appendix F) • Fork/brake hydraulic pump flow test performed (see • Hose assembly (Item 20, Appendix F) paragraph 17-2). References: •  TM 10-3930-659-10 Personnel Required: Two NOTE A suitable container should be used to catch any draining hydraulic fluid.  Ensure that all spills are properly cleaned. PRESSURE TEST 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. 17-10