TB 9-4910-556-35
(11) Press and release TEST pushbutton on VTM. After approximately 10 seconds,
VTM will indicate between 461.7 and 538.3.
b. Adjustments. No adjustments can be made.
13. Pressure
a. Performance Check
(1) Connect equipment as shown in figure 5, using 1000 psi transducer TK17 and
adapter.
(2) Set TEST SELECT switches to 50.
(3) Operate hydraulic pressure standard to apply 1000 psi and return to 0 three
times.
(4) With pressure at 0, press and hold TEST pushbutton until CAL appears on
VTM display. Release TEST pushbutton.
(5) Wait for offset value to appear on display. Offset value will be between -150 and
+150.
(6) Press and release TEST pushbutton.
(7) Operate hydraulic pressure standard to apply 1000 psi.
VTM will indicate
between 960 and 1040.
(8) Operate hydraulic pressure standard to apply 200 psi.
VTM will indicate
between 180 and 220.
(9) Connect equipment as shown in CONNECTION A (fig. 6), using pressure
transducer TK22, -30 to +25 psig.
