TM 5-3810-307-24-1-2
11. PROCEDURE 4B. PRESSURE TRANSDUCER ZERO
ADJUSTMENT
Main Board 024-350-300-222
1. Lower boom all the way down (no rest pressure) then disconnect hydraulic
2. Connect a digital voltmeter to main P.C. board:
A) black (-) lead to MP15
B) red (+) lead to MP4
3. Adjust P4 to obtain a reading of 0.500 volts (500mV) on meter.