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Operating and Maintenance Manual 

PAPI 400

 

 

13 

 

 

Fig.5-8 Typical position and angle of PAPI system 

  (In case of 3 degree as approach angle) 

 

5.4.3 Method of setting angle

 

1) Release 2 toggle switches of rear side of PAPI Unit and remove body cover of the unit. 

2) Place `level support` of clinometer set on aiming device support of PAPI unit as Fig.5-11.   

3)  Place clinometer on level support as Fig. 5-10. Direction of clinometer shall be as Fig. 5-

9. 

 

 

Fig.5-9 Direction of Clinometer 

 

 

 

 

 

 

 

 

 

 

 

4)  Place  spirit  level  on 

  rear  position  of  spirit  level  on  level  support  as  Fig.  5-11.  Adjust 

rear two setting sleeve of PAPI unit to set rear level while watch the spirit level.   

5) After completion of adjustment of rear level, fix lock bolts of setting sleeve of rear 2 legs. 

Front  side  of 

PAPI unit 

 

Summary of Contents for PAPI 400

Page 1: ...P PA AP PI I 4 40 00 0 Precision Approach Path Indicator 2 Lamp USER S MANUAL OPERATING MAINTENANCE ...

Page 2: ...g and Maintenance Manual PAPI 400 2 1 General 2 Compliance 3 Environmental Requirements 4 Detailed Specifications 5 Installation 6 Maintenance 7 Transportation Storage 8 The Lists of Parts and Drawings CONTENTS ...

Page 3: ...ed and manufactured to allow safe and secure operation however the following rules must be strictly observed Keep away from live circuits Operating and maintenance manual must always follow the safety regulations Do not change lamps or components or make adjustments to equipment when the light circuit is switched on See FAA Advisory Circular AC 150 5340 26 concerning safety Resuscitation Operating...

Page 4: ...p for a period of two 2 year from the date of delivery to the original purchaser Within the frame of this warranty YOUYANG accept to replace the defective item free of charge ex works Operational failure or breakage resulting from lamp burnt out improper maintenance or installation damage due to runway maintenance equipment snow ploughs or aircraft arresting gear hooks are not considered as result...

Page 5: ...e approach zone on a line parallel to the runway Each beam of the unit has white color on upper side red color on lower side and transition sector between red and white color The transition sector is very accurate because that does not exceed 3 minutes of arc over the full beam width 2 Compliance ICAO Annex 14 PARA 5 3 5 FAA L 880 AC 150 5345 28 3 Environmental requirements Altitude below 2500m En...

Page 6: ...ockable latches 4 4 3 The optical groups shall consist each of Tungsten halogen lamp prefocused 99 99 pure aluminum reflector polished and protected by anodic oxidation Through colored red glass filter Two high quality lenses in each beam to provide a constant transition zone which will not overpass 3 minutes of arc in any case Independent modules one per channel will not be permitted Only three l...

Page 7: ... All screws nuts and hardware shall be made of plain stainless steel and all elements that have to be removed to service the unit shall be captive 4 4 13 The stainless steel cover closing latches shall be padlockable 4 4 14 The use of special instrument or bench for resetting the beam after reflector and it shall be possible to relamp the fitting or to change the red filter without using any tool ...

Page 8: ...system shall be located on the left side of the runway from the approach end but in the event of site problem such as conflicts with runways or taxiways that may be located the right side of the runway As for signal display of the system for pilot please refer to above Fig 5 1 5 2 Mounting 5 2 1 The following concrete plinth is recommended Light unit with frangible coupling shall be constructed on...

Page 9: ...se plate on anchor bolt by using washer and nuts Please refer to Fig 5 4 and 5 5 5 Fix breakable coupling to base plate 6 Mount anchoring leg in the breakable coupling and adjust height of leg properly Check the vertical angle and fix the leg with bolt and nut of breakable coupling 7 Place fixing bolt for rod on anchoring leg and screw the rod having setting sleeve into anchoring leg The distance ...

Page 10: ...ut the unit on 4 assembled legs Fix the unit on the road by using washer and nuts 9 Replace the body cover on the unit 10 Use setting sleeve with rod for final adjustment of height of the unit When the final adjustment is finished fix lock bolt of setting sleeve Upper rod Lower rod Setting sleeve Lock bolt ...

Page 11: ...1 5 3 7 6 8 Fig 5 5 Maximum height of mounting No Part name 1 Base plate 2 Breakable coupling 3 Anchoring Leg 4 Bolt for breakable coupling 5 Nut for breakable coupling 6 Rod 7 Fixing bolt for rod 8 Setting sleeve 9 Bolt for fixing body 10 Lock bolt of Setting sleeve ...

Page 12: ...l PAPI Clinometer Aiming device 1Set Fig 5 7 PAPI Clinometer set aiming device 5 4 2 Recommended standard The angle of approach is typically 3 degree but that can be changed according to local airfield site situation The different angle between two units is generally 20minutes of arc as following Fig 5 8 Spirit level Level support Clinometer ...

Page 13: ...inometer set on aiming device support of PAPI unit as Fig 5 11 3 Place clinometer on level support as Fig 5 10 Direction of clinometer shall be as Fig 5 9 Fig 5 9 Direction of Clinometer 4 Place spirit level on rear position of spirit level on level support as Fig 5 11 Adjust rear two setting sleeve of PAPI unit to set rear level while watch the spirit level 5 After completion of adjustment of rea...

Page 14: ...ng of Clinometer In case setting angle is 1 7 Place spirit level on front position of spirit level on level support as Fig 5 11 8 Adjust front two setting sleeve of PAPI unit to set both of front level and elevation angle while watch both of the spirit level and clinometer 9 After completion of adjustment of front level and elevation angle fix lock bolts of setting sleeve of front 2 legs Increase ...

Page 15: ...and clinometer on level support Rear position of spirit level on level support Clinometer position on level support Front position of spirit level on level support 6 Maintenance 6 1 Caution CAUTION Before starting the maintenance work disconnect the input power PAPI Unit Top view ...

Page 16: ...r control Checking of the weeds to prevent beam of lights Checking of damage to the lens and cleaning of the lens Checking of the alignment of the lights and the direction of light Checking mounting status Checking of the cleaning of the lights and the socket Checking of the installing height of the lights Checking of the water inside the lights Checking for rust and peeling of the paint Checking ...

Page 17: ...Replace the lamp When the light is dimmer than other lights of the same type Lamp defective Replace the lamp Contamination of reflector lens or other related parts Clean the contaminated part The failure of the isolating transformer Replace the isolating transformer The dislocation of the color filter or inadequate beam angle of light Install the color filter on the right location or re setting li...

Page 18: ... site at a time several packing boxes can be bound together The regulations of the maximum loading height should always be observed The heavy packing boxes should be located in the lower part and the light packing boxes in the higher one When several boxes are packed into one outer box the mark of the contents should be located on the easily noticeable part of the outer box Shelves boxes closed co...

Page 19: ...Operating and Maintenance Manual PAPI 400 19 Fig 8 1 The picture of the Precision approach path indicator Theodolite PAPI Unit Stake 2 Approx 5m Approx 20m Stake 2 ...

Page 20: ...Operating and Maintenance Manual PAPI 400 20 ...

Page 21: ... 400 21 Fig 8 2 The mounting drawing of the Precision approach path indicator Isolation transformer Steel cover plate Flexible conduit Base plate Base can Fig 8 3 The assembly drawing material list of the Precision approach path indicator ...

Page 22: ... 1 9 Light body support front AL3T 1 10 Light body cover AL3T 1 11 Front cover fixing plate AL3T 1 12 Butterfly fixing plate AL3T 1 13 Light support AL 4 14 Coupling AL 4 15 Coupling base AL 4 16 Vertical adjuster AL 4 17 Reflector assembly AL 2 18 Filter fixer assembly AL 2 19 Optical lens set AL 2 20 Filter GLASS 2 21 Horizontal fixing adjuster 2 22 Front cover fixer STS 2 23 Butterfly for cover...

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