Chapter 4 -TEMPERATURE, HUMIDITY, AND PRECIPITATION 



Table 4-1. — AN/GMQ-29( ) Maintenance visual check list 



STEP 



PKOiinum 



NORMAL INDICATION 

 SENSOR GROUP 



IF INDICATION IS ABNORMAL 



1. Visually inspect remote unit 

 enclosure. 



2. Visually inspect card cage 

 and power supply 



3. Inspect Barometric Pressure 

 Sensor. 



4. Visually inspect Air Tem- 

 perature Sensor. 



5. Visually inspect Dewpoint 

 Sensor. 



6. Verify Wind Set AN/UMQ-5 ( ) 

 is operating properly. 



7. Visually inspect Rainfall 

 Sensor. 



8. Visually inspect electrical 

 cabinet. 



9. Visually inspect Read-out 

 Panel Assembly. 



10. Visually inspect Receiver and 

 Control Assembly. 



11. Visually inspect Analog 

 Recorder. 



12. Visually inspect Voice Link, 

 if included at station. 



Compartment free of moisture, 

 seal firm and resilient. Fas- 

 teners intact and free to op- 

 erate. Sealed cable entries 

 tight. 



Individual modules/components 

 intact. All wiring firmly con- 

 nected. Hardware free of cor- 

 rosion. Fuses good. 



Sensor fastened tightly to 

 mounting plate. Connections 

 tight. 



Cable connection tight. En- 

 closure free of corrosion. 

 Sensor firmly mounted. 



Cable connection tight. En- 

 closure free of corrosion. 

 Sensor firmly mounted. 



Refer to NAVWEPS 50-30FR-525. 



Cable connection tight. 



Sensor free of corrosion. Tip- 

 ping bucket operates freely. 

 Water compartment free of dirt 

 and particles. 



CONVERTER, DISPLAY GROUP 



Clean with no dents or chipped 

 paint. 



Door opens and closes securely. 

 All connectors tight. All mod- 

 ules seated properly. Cable 

 harness secure. Plastic lens 

 intact and clean. 



Handles latch securely. Drawer 

 opens and closes freely. Module 

 cards securely seated. Harness 

 free from obstruction. Fuses 

 good. Drawer free from dust 

 and dirt. 



Chart paper properly installed. 

 Pens in good condition. Ink as- 

 sembly not leaking. 



Telephone in place in good phys- 

 ical condition. 



Replace gasket seal and fasten- 

 ers as necessary. Reseal cable 

 entries as required. 



Reseat loose modules/components. 

 Secure wiring. Remove corrosion. 

 Replace fuses as necessary. 



Secure loose nuts. Tighten con- 

 nections. 



Seal cable connection as required. 

 Remove corrosion. Tighten sensor 

 mount. 



Seal cable connection as required. 

 Remove corrosion. Tighten sensor 

 mount. 



Reseat cable connection as 

 required. 



Remove corrosion. Free tipping 

 bucket of obstructions. Clean 

 water compartment. 



Remove dents. Retouch painting. 



Adjust door catch. Seat all modules 

 and connectors. Secure cable har- 

 ness. Clean all dirty lens. 



Adjust handle latch. Remove ob- 

 structions from door slides. Se- 

 curely seat module cards. Secure 

 cable harness. Replace fuses as 

 necessary. Clean where necessary. 



Load chart paper correctly. Replace 

 defective pens. Replace defective 

 ink assembly. 



Replace defective telephone. 



67 



