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 TM 55-1905-220-14-9
4-66.1. TANK LEVEL INDICATION - RECEIVER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENTS AND ALIGNMENTS (Cont)
meter, remove the face frame and glass, and make a pencil mark at the location of the meter needle. Do not
replace the frame and glass until the completion of meter adjustment procedures.
(4)
Full-scale Deflection Adjustment.
Following the performance of the zero adjustment, perform a full-scale deflection adjustment on
receiver modules, proceed as follows:
(a)
Hold the ON-OFF-FULL REF toggle switch on the front panel of the receiver module in the FULL
REF position.
(b)
Using a screwdriver, adjust the CALIBRATE control to the setting that causes deflection to the full
scale mark.
(c)
Release the ON-OFF-FULL REF toggle switch to the OFF position.
c.
Fluid Level Calibration.
Following the performance of zero and full-scale deflection adjustments, the marking for intermediate
tank fluid levels is accomplished. One of two types of calibration procedures (dry-tank or liquid-in tank) are
employed either to make the marks or to
4-1409
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