TM 5-3810-306-34
PISTON PRESSURE CHANNEL
ZERO POINT ADJUSTMENT
5. LOWER BOOM ALL THE WAY DOWN, SHUT THE ENGINE OFF THEN DISCONNECT HYDRAULIC
HOSE FROM THE PISTON SIDE PRESSURE TRANSDUCER.
6. CONNECT A DIGITAL VOLTMETER TO MAIN P.C. BOARD
a)
BLACK
(-)
LEAD TO Mp15
b)
RED
(+)
LEAD TO Mp 4
7. ADJUST P4 TO OBTAIN A READING OF .500 VOLTS (500mv) ON METER.
3-83