Maintenance
8500C/8500C+ System Maintenance Manual A-11
275°±10°
cv. Press STOP key.
cw. Move magnetic pickup cable #10808 to channel B and Velo cable #11210 to channel 2 on
8520C-36. Repeat steps cq through cv, but substitute the following values:
PICKUP: CHANNEL <B>
INPUT: CHANNEL 2
cx. Move magnetic pickup cable #10808 to channel C and Velo cable #11210 to channel 3 on
8520C-36. Repeat steps cq through cv, but substitute the following values:
PICKUP: CHANNEL <C>
IINPUT: CHANNEL 3
cy. Move magnetic pickup cable #10808 to channel D and Velo cable #11210 to channel 4 on
8520C-36. Repeat steps cq through cv, but substitute the following values:
PICKUP: CHANNEL <D>
INPUT: CHANNEL 4
A.4.3.4 8500C/C+/8520C-36 Spectrum Test (C-130 Setup)
NOTE: The same test setup and 8500C/C+ settings are to be left as they were in Section
A.4.3.3, “Test Procedure (C-130 Setup).”
Perform Section 5.4.1.4, “Spectrum Test.”
A.4.3.5 8500C/C+/8520C-36 Track Test (C-130 Setup)
NOTE: The same test setup and 8500C/C+ settings are to be left as they were in Section
A.4.3.3, “Test Procedure (C-130 Setup).”
Perform Section 5.4.1.5, “Track Test.”
A.4.4 8500C/C+/8520C-36 Balance Test for P-3 Setup
This balance test is similar to the balance test in Section 5.4; therefore, if a failure occurs, refer to the
functional test items in the Troubleshooting Guide in Section 5.6.
NOTE: These tests build successively on the first test in this section. Any settings not
mentioned must be left as they were in the previous section.
A.4.4.1 Test Setup (with P-3 Nacelle Harness)
a. Connect equipment as shown in Figure A-5.
b. Adjust gap between magnetic pickup and screw to .04 in.
NOTE: Make sure accelerometer cables are free to move so that accelerometer movement is
not inhibited.
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