TM 10-4610-239-24
TM 08580B-24/3
a.
Loosen two screws (1), push up movable end of adjustment plate (2), then tighten screws (1) until snug.
b.
Use feeler gage to measure piston-to-lever gap (3).
c.
Set multimeter scale to OHMS X1. Connect multimeter leads to limit switch (4) terminals
marked C and NC.
d.
Insert feeler gage that is half of gap width. With one hand, push down lever (5), trapping gage
blade in gap.
e.
With other hand, place blade tip of screwdriver in notch (6) and twist to slo ly force adjustment
w
plate (2) down. When multimeter indication goes from infinite ohms to 0 ohm, tighten screws (1)
to lock adjustment.
NOTE
Calibration can be performed using either dead weight gage tester or a
calibrated pressure gage with a source of hydraulic or pneumatic
pressure.
f.
Connect low-pressure switch to dead weight gage tester or a calibrated pressure gage with a
source of hydraulic or pneumatic pressure.
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