Narco Avionics MK12D TSO Installation Manual Download | Manualshive

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NARCO AVIONICS

MK12D TSO

(MK12, MK12A, MK12B REPLACEMENT RADIO)

ADDENDUM

INSTALLATION MANUAL

03118-0620R

NARCO AVIONICS INC.

270 COMMERCE DRIVE
FT. WASHINGTON, PA. 19034
U.S.A.

PRINTED IN U.S.A.

JUNE, 1999

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Summary of Contents for MK12D TSO

Page 1: ...NARCO AVIONICS MK12D TSO MK12 MK12A MK12B REPLACEMENT RADIO ADDENDUM INSTALLATION MANUAL 03118 0620R NARCO AVIONICS INC 270 COMMERCE DRIVE FT WASHINGTON PA 19034 U S A PRINTED IN U S A JUNE 1999 ...

Page 2: ...ere changed at each revision level The affected page number the revision level and the date of the change are listed Additionally the date and revision level is changed on the bottom of the affected pages PAGE DATE REV PAGE DATE REV PAGE DATE REV PAGE DATE REV PAGE DATE REV 3 10 96 D 5 10 96 D 5 09 98 E 6 09 98 E 8 06 99 F 9 06 99 F JUNE 1999 REV F ...

Page 3: ... or Narco 11 wire DME channeling 2 0 INSTALLATION 2 1 INTRODUCTION The MK 12DR is a direct replacement for the MK12 MK12A MK12B NAV COM units It s specifications meet or exceed those of the unit it is replacing 2 2 TECHNICAL SPECIFICATION AND PERFORMANCE ADJUSTMENTS The MK 12DR is a specially modified MK 12D Cessna unit The mechanical modifications effect the physical size latching method and inte...

Page 4: ...eet the appropriate TSO otherwise the TSO will not be valid NAV Receiver The NAV receiver of the MK 12DR is designed to meet VOR TSO C40b and Localizer TSO C36c Class C The MK 12DR when replacing a MK12 MK12A or MK12B will typically be used with one of the VOA series indicator converters The following table lists these units and their TSO s if applicable INDICATOR CONVERTER TSO VOA 4 VOA 5 NONE VO...

Page 5: ...el The MK12DR TSO has a solid state speaker amplifier for improved audio response and reliability and this type amplifier cannot be paralleled For these installation it is recommended that the installation be modified according to figure 2 1 Warning Failure to comply with this section will cause damage to one or both units FIG 2 1 JUNE 1996 REV C 5 ...

Page 6: ...r plug must be installed at the end of the power unit cable black wire to airframe ground Fig 2 7 Warning Failure to remove the power unit will do severe damage to the MK12D R 2 7 KEEP ALIVE AND REMOTE CHANNELING P5 Keep alive is no longer needed on the newer versions of the MK12D R Reference to keep alive on P5 is kept to be consistant with earlier versions For installations requiring Glideslope ...

Page 7: ...FIG 2 2 GLIDESLOPE CHANNELING FIG 2 3 DME CHANNELING JUNE 1996 REV C 7 ...

Page 8: ... jumper plug Fig 2 4 2 8 1 PIPER SPECIAL There were a number of MK12s manufactured as Piper specials Refer to Figure 2 5 to see the rear panel of a Piper special Figure 2 7 lists what the connections of P301 were and the appropriate connections on the MK12D R A mating connector for P301 of the MKD R would have to be found to complete the installation Fig 2 5 T 102 J 101 T 101 P 101 P 301 J 301 JUN...

Page 9: ...16 NC P501 JUMPER PLUG CONNECTIONS PIN PIN 3 7 4 6 5 12 8 16 11 13 FIG 2 6 MK12D R MK12 P5 J301 1 A 18 01 110 1 6 B GLIDESCOPE ACTIVATE 24 C 109 9 111 9 2 D 108 3 110 3 7 E 10 20 A B BANK CONTROL CANNEL CONTROL 23 F 109 7 111 7 3 H 108 5 110 5 25 J N C 50 KHz 46 RZA UGRS 22 K 109 5 111 5 4 L 108 7 110 7 TO AIRCRAFT GROUND M GROUND 21 N 109 3 111 3 5 P 108 9 110 9 20 R 109 1 111 1 P301 1 S OMNI LOC...

Page 10: ...ONT PANEL 2 9 1 COM Section Operation COM DISPLAY The left side of the display identifies the COM Active COMmunications frequency and the letter T when lit to indicate that the Mike Key is depressed and the Unit is transmitting The right side of the display identifies the COM Standby frequency COM OFF VOL PULL TEST OFF is the maximum counterclockwise rotation of this control Clockwise rotation pas...

Page 11: ...or KHz knobs COM TRANSFER Pressing this white arrowed momentary switch flips the display The Standby frequency becomes the Active and the Active becomes the Standby A second depression exchanges the frequencies 2 9 2 NAV Section Operation NAV DISPLAY The left side of the display identifies the NAV Active communications frequency The right side of the display identifies the NAV Standby frequency NA...

Page 12: ...dicator appears unaffected verify that the station being received is the station selected prior to the blackout pull IDENT If you are still set to your desired frequency continue your flight it can be presumed that you had a display or a display circuit failure If the COM DISPLAY should have a total blackout verify that the COM is still set to the frequency selected prior to the blackout Verificat...

Page 13: ...wing what frequency you had set in Active and Standby windows it is now a matter of rotating the KHz and MHz knobs clockwise incrementing and counterclockwise decrementing detent by detent KHz 25 KHz steps MHz 1 MHz steps to change frequencies Remember all entries go into the Standby display window before they can be transferred to the Active display memory Should it appear that in changing freque...

Page 14: ... and most important is a complete inspection of the installation to be sure that all aircraft flight controls operate freely with full travel or deflection Since these procedures cover Units with and without glideslope simply bypass those functions glideslope which do not apply to the system being tested A remote mounted Marker Beacon or Glideslope Receiver whose operation is dependent upon the NA...

Page 15: ...2DR ON and observe that the Active display reads 114 15 and the Standby 110 50 B General 1 Set NAV Active channel to a VOR frequency 2 Rotate the VOL IDENT control clockwise until NAV Receiver noise is heard in the speaker and headphones Note IDENT knob must be pulled out Note presence of NAV and GS warning flags and centered Left Right and Up Down needles 3 Modulate test equipment 30 with 1020 Hz...

Page 16: ...ight Deflection should be to the end of the Blue and Yellow areas on the Indicator 3 Remove modulation or decrease test equipment RF output to minimum NAV flag should be visible E Glideslope 1 Set test equipment and NAV Active channel to a GS frequency Verify that the Glideslope Receiver is channeled correctly All 40 Glideslope channels should be checked D DME 1 Set test equipment and NAV active c...

Page 17: ...ommend to perform the following checks and adjustments A Check all avionics under actual operating conditions for abnormal indications ignition noise audio distortion at in flight volume settings rotating beacon noise interference between avionics equipments etc B Look for variations in performance due to various landing gear and flight control surface configurations All of these tests must be per...

Page 18: ...l confirmation of on glide path condition 3 While on glide path maneuver aircraft through normal pitch and roll attitudes Left Right and Up Down indicators should perform normally and a warning flag should not be visible at anytime DME A Verify DME channeling when in flight 2 11 2 COM section A flight test should be performed to check the antenna pattern and system compatibility A Flying at an alt...

Page 19: ...JUNE 1996 REV C 19 ...

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