C4
TM 9-4935-481-14-1
Table 3-13. TTS Maintenance Calibration - Continued e
Table 3-13. TTS Maintenance Calibration - Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
181
TTS
MODE switch to BORESIGHT.
199
DMM
Adjust 1A9A1-R12 to the value recorded in step 197 to within 0.0200 VDC.
182
MCP
DMM FUNCTION switch to VDC.
200
PPE
Momentarily actuate TEST START switch (power off).
183
CIP
RUN/HOLD/OFF switch to RUN.
201
TTS
Remove the DMM probes from 1A9.
184
TTS
Connect the DMM pos probe to 1A11A1-J12 and the neg probe to 1A10A1-J3.
Trigger Load Network (2A1)
185
PPE
Momentarily actuate TEST START switch (power on).
DMS switch to OFF.
202
PP
186
CIP
Observe INHIB lamp illuminated.
Remove 1W2-P2 from J7.
203
MCP
187
TTS
Adjust 1A11A1-R19 to +8.200 0.010 Vdc.
Connect 1W1-P3 to J7.
204
MCP
188
DMM
Remove the DMM probes from 1A11 and 1A10.
DMM INPUT switch to SEL A.
205
MCP
Battery Monitor Bucking Voltage (1A9)
DMM LO switch to SEL B.
206
MCP
189
TTS
Connect the DMM pos probe to 1A9A1-J1 and the neg probe to 1A9A1-J2.
SELECTOR A switch to C9.
207
MCP
190
TTS
Disconnect the 1W14 cable from J17.
SELECTOR B switch to C10.
208
MCP
191
MCP
Connect the thermistor cable to J17.
COUNTER INHIBIT(SEC) dial to 20.96.
209
CIP
192
MCP
DMM FUNCTION SWITCH to K OHMS.
CAUTION
193
MCP
Observe and record the DMM reading.
Do not actuate DMS-D PPE TEST START switch while TTS POWER switch is ON.
194
DMM
Disconnect the thermistor cable from J17.
210
TTS
POWER switch to ON.
195
MCP
Connect the 1W14 cable to J17.
DMS POWER switch to ON. Momentarily actuate TEST START switch.
211
PP
TP
196
Convert the resistance reading taken in step 193 to a temperature reading using the chart in
Momentarily actuate TEST START/STOP pushbutton (power on).
212
TTS
197
MCP
Using the battery reference voltage vs. temperature curve, figure 3-36.4, determine and record
the value for the battery reference voltage.
213
TTS
Observe TESTING lamp illuminated.
198
MCP
DMM FUNCTION switch to VDC.
3-212
