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GV30N TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
PAGE 4.1.54
VERSION 0.1 2014-11-01
1.
Open the transmitter’s front doors.
2.
Identify the cooling fan(s) that is being replaced (see
function of each fan (e.g., B3 is splitter fan 1, B6 is 10 kW reject load fan 1, B4 is 5 kW reject load
fan 1, B1 is final reject load fan 1, etc.).
3.
Remove the fan cover by removing and retaining the four M5 screws at the top and lifting the
panel out. The bottom of the panel has hooks that fit into slots.
4.
Disconnect the suspect fan’s mating plug (B1P1 through B5P1 from its associated mate on reject
load/splitter interface PWB A28 or B6P1 through B11P1 from its associated mate on reject load/
splitter interface PWB A30).
5.
Remove the suspect fan (including connector) by removing and retaining the two M3 screws that
secure the fan to the transmitter. Retain the fan’s finger guard (Nautel Part # HAA63).
6.
Obtain a replacement fan (Nautel Part # ZAP50) from the site spares kit or station spares kit, if
purchased or a suitable equivalent (vendor part # is Minebea Motor Mfg. Corp. 3115RL-07W-B79-
E51).
7.
Install the replacement fan, and fan finger guard, using retained screws from
. Torque
hardware to 1.0 inch-pounds only to avoid cracking the fan’s body.
8.
Connect the replacement fan’s mating plug to the appropriate mate on reject load/splitter interface
PWB A28 or A30, as applicable.
9.
Reinstall the fan cover using the retained screws from
10. Close the transmitter’s front doors.
Содержание GV30N
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Страница 8: ...GV30N TROUBLESHOOTING MANUAL PAGE 4 VIII VERSION 0 1 2014 11 01...
Страница 92: ...GV30N TROUBLESHOOTING MANUAL PARTS LISTS PAGE 4 2 10 VERSION 0 1 2014 11 01...
Страница 318: ...VERSION 0 1 2014 11 01 SD 32 Figure SD 32 NAE107A or NAE107A 01 Exciter...
Страница 327: ...VERSION 0 1 2014 11 01 SD 41 Figure SD 41 NAFP109B Output Power Probe and Sample PWBs...
Страница 333: ...VERSION 0 1 2014 11 01 SD 47 Figure SD 47 UPS Interface Assembly Optional Nautel Part 219 5179 UPS Interface Upgrade Kit...
Страница 337: ...GV30N TROUBLESHOOTING MANUAL MECHANICAL DRAWINGS PAGE 4 5 4 VERSION 0 1 2014 11 01...
Страница 351: ...VERSION 0 1 2014 11 01 MD 14 Figure MD 14 NAPA31C Power Amplifier PWB Q1...
Страница 354: ...VERSION 0 1 2014 11 01 MD 17 Figure MD 17 NAI23A RF Drive Splitter Changeover Assembly FRONT BACK...
Страница 356: ...VERSION 0 1 2014 11 01 MD 19 Figure MD 19 NAL16 2 Input Reject Load Assembly TOP VIEW END VIEW 2 INPUT REJECT PWB A1...
Страница 363: ...GV30N TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4 6 2 VERSION 0 1 2014 11 01...
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