
NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 4.1.52
VERSION 3.3 2016-03-10
Figure 4.1.18: Fan Tray Assembly
4.
Remove the fan tray from the transmitter.
5.
Disconnect the suspect fan’s mating plug (B1P1
or B2P1
).
6.
From the bottom of the fan tray, remove and retain the cooling fan’s two M3 screws that secure
the fan to the fan tray. See
7.
Obtain a replacement fan (Nautel Part # ZAP50) from the site spares kit, if purchased or a suitable
equivalent (vendor part # is Minebea Motor Mfg. Corp. 3115RL-07W-B79-E51).
8.
Install the replacement fan using retained screws.
9.
Reinstall the fan tray and secure using M4 screw. Reconnect D-sub connector W5P2.
10.
Access fan removal hardware
(two M3 screws) from bottom
of fan tray.
NOTE:
Fan B1 is 5 kW Reject Fan 1
Fan B2 is 5 kW Reject Fan 2
Summary of Contents for NV3.5LT
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Page 8: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL PAGE 4 VIII VERSION 3 3 2016 03 10 ...
Page 294: ...VERSION 3 3 2016 03 10 SD 32 Figure SD 32 NAFP109B Output Power Probe and Sample PWBs ...
Page 307: ...VERSION 3 3 2016 03 10 MD 8 Figure MD 8 NAPA31C Power Amplifier PWB Q1 ...
Page 322: ...NV5LT NV3 5LT TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 3 3 2016 03 10 ...
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