TM 10-4610-239-24
TM 08580B-24/3
a.
Set multimeter scale to OHMSX1 and connect leads to terminal board connections marked C and
NO. If multimeter indicates 0 OHM, go to step b. If multimeter indicates infinity (open), replace
the limit switch.
NOTE
Calibration can be performed using either dead weight gage tester or a
calibrated pressure gage with a source of hydraulic or pneumatic pressure.
b.
Connect pressure inlet (2) to deadweight gage tester or a calibrated pressure gage with a source
of hydraulic/pneumatic pressure.
WARNING
Compressed air can blow dust into the eyes. Wear eye protection. Do not
exceed 30 psig (207 kPag) air pressure.
c.
Raise pressure to 1250 psi (8618.75 kPa) as indicated on dead weight gage tester or calibrated
pressure gage.
d.
Use flat screwdriver to reach adjustment screw (3) through adjustment hole (4). If multimeter
indicates 0 ohm, turn adjusting screw clockwise until multimeter indicates infinite ohms, then
counterclockwise until multimeter again indicates 0 ohm. If multimeter does not indicate 0 ohm,
turn adjusting screw counterclockwise until multimeter indicates 0 ohm.
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