TM 10-3930-659-34 4-52. ACCUMULATOR PRECHARGE TEST (Con’t). 8. Start engine (see TM 10-3930-659-10) and run until pressure gage (11) shows a reading of 2300-2400 psi (15859- 16548 kPa). 9. Shut down engine (see TM 10-3930-659-10). 10.  Press right brake pedal (1) and note reading on pressure gage (1 1).  Reading must slowly decrease to 500 psi (3448 kPa) and then rapidly drop to zero. 11.  If reading on pressure gage (11) is not within specification, charge accumulator (see paragraph 4-54). 12.  Repeat steps 1 and 2. 13.  Remove pressure gage (11) and hose (12) from quick coupler (10). 14.  Remove quick coupler (10), two adapters (8 and 9), and preformed packing (7) from tee (13).  Discard preformed packing. 15.  Remove hose (5) and preformed packing (6) from tee (13).  Discard preformed packing. 16.  Remove tee (13) and preformed packing (14) from adapter (16).  Discard preformed packing. 17.  Install new preformed packing (15) and hose (5) on adapter (16). FOLLOW-ON TASKS: • Install left side cab skirt (see TM 10-3930-659-20). • Remove frame locking bar (see TM 10-3930-659-10). TA708318 4-194