TM 1-1520-238-T-7
Change 5
10160.11
1048A.
FUEL QUANTITY SYSTEM CAPACITANCE AND INDICATING TEST
1048A
(USING PSD 60-1AF TEST SET) (cont)
Task
Result
t. Verify digital readouts of CPG selectable
digital display (fig. 1070.9) and pilot fuel
quantity indicator (fig. 1070.10) vertical
scale indicates 0 to 10.
If CPG selectable digital display LEFT/FWD digital
readout and pilot fuel quantity indicator FWD vertical
scale do not indicate 0 to 10, adjust fuel signal
conditioner TK1 E to obtain 0 to 10 fuel indication.
u. On test set (fig. 1070.5) select FUNCT
switch to SIM TU ONLY. Verify DC voltage
reading on multimeter is 5.0 0.5 VDC.
If DC voltage reading on multimeter is not 5.0 0.5
VDC adjust fuel signal conditioner TK1 F to obtain 5.0
0.5 VDC.
RIGHT / AFT
DIGITAL
READOUT
LEFT / FWD
DIGITAL
READOUT
TEST
PUSHBUTTON
M70-370
Figure 1070.9.
CPG Selectable Digital Display
FWD VERTICAL
DISPLAY
AFT VERTICAL
DISPLAY
TOTAL
DIGITAL
READOUT
M70-369
Figure 1070.10.
Pilot FUEL Quantity Indicator