Rotax service bulletins, Kitfox service letter #49 Rotax service bulletins.

SERVICE LETTER #49

DATE:                    August 25, 1995

SUBJECT:              Rotax Service Bulletins

APPLICABILITY:     Kitfox's powered by Rotax engines

COMPLIANCE:       As required

FROM:                   SkyStar Aircraft Engineering Department

The following is a current list of service bulletins which have been issued by Rotax. Please review this list and contact your nearest Rotax dealer (listed in the back of your engine operator's manual) if you need any which are applicable to your engine.

2 UL 87 Feb 87              UL-Reduction gear box, torsional shock absorber configuration with prop shaft in one piece

4 UL 87 May 90              Unexpected engine stops

6 UL 87 Jul 87                Engine Instruments

7 UL 87 Apr 90               Fuel consumption 2-stroke UL-engine

8 UL 87 Jun 90               Influence of ambient air temperature and barometric pressure on engine performance and carb calibration

10 UL 87 Nov 87             503 UL - execution Free Air

11 UL 87 Nov 87             Exhaust systems for Rotax UL-engines type 377/477/462/503/532

1 UL 88 Jan 88               Function test of rectifier-regulator

5 UL 88 Apr 90               Gearbox fixation on UL-engines type 377, 447, 462, 503, and 532

1 UL 89 Mar 89              Fan Drive of Engine Type 503

3 UL 89 Jun 89               Matching propeller to Rotax ultralight engine

4 UL 89 Jan 89               Use of tool for cage less piston pin needle bearing

5 UL 89 Dec 89              Customers Information

2 UL 90 Apr 90               UL - gearbox "b" for engine types 532 and 582

3 UL 90 Mar 91              Installation of "C" version gearbox on ultralight engines

4 UL 90 Sep 90              Starter gear - electric starter, magneto side, on engine 582 UL

5 UL 90 Dec 90              Disturbance of tachometer 966 072 (for Rotax 503 C.D.I. and 582 C.D.I.)

1 UL 91 Feb 91              Rotary valve shaft sealing for Rotax 532 UL and 582 UL

2 UL 91 Feb 91              Tightening torque increase on "C" gearboxes for UL engines

3 UL 91 Apr 91               Daily and pre-flight check - maintenance plan

5 UL 91 Dec 91              Piston for ROTAX  UL-engines (2-stroke)

6 UL 91 May 91              Tapped hole for M8 cylinder stud in crankcase on ROTAX engines type 912 UL and 912 A, certified to JAR 22

7 UL 91 May 91              Wiring diagram for engine type ROTAX 447 UL SCDI and 508 UL SCDA in conjunction with electronic tachometer

8 UL 91 Jun 91               Safety-check of the BING carburetors used in all ROTAX UL-                                                        engine

9 UL 91 Nov 91              Installation instructions for ROTAX ultralight engines

10 UL 91 Sep 91              Water distributor for ROTAX 912 and 912 UL

11 UL 91 Dec 92              Propeller mass moment of inertia

12 UL 91 Dec 92              ROTAX 608 UL-Valve Cover Attachment

13 UL 91 Dec 91              Rotax 503 UL/503UL DCDI: Subsequent fitting of "C" gearbox

1 UL 92 Dec 92              Engine type 912 UL, ignition unit with resistor spark plug

2 UL 92 Dec 92              Coolant expansion tank ROTAX 912

1 UL 93 Jan 93               ROTAX 582 UL DCDI - marking of pick-up

2 UL 93 Jan 93               Overload clutch for ROTAX 912 UL

3 UL 93 Feb 93              Ignition unit of ROTAX 912 UL

4 UL 93 Sep 93              Crankcase modifications - ROTAX 582 DCDI

6 UL 93 Sep 93              ROTAX 582 UL Carb Adapter

7 UL 93 Sep 93              Revolution counter for ROTAX 447 SCDI

8 UL 93 Oct 93              General overhaul of ROTAX 912 A and 912 UL

9 UL 93 Nov 93              Assembly instructions for ROTAX 618 water pump cover

1 UL 94 Jan 94               Electronic box for ROTAX 912 and 912 UL

3 UL 94 Dec 94              VDO pressure sensor and indicating instrument

4 UL 94 Feb 94              Carburetor icing on UL engines

5 UL 94 Mar 94              Banjo Bolt, ROTAX 912 Series

6 UL 94 Jul 94                Incorrect Model Fuel Pumps Without Bleed Hole Rotax Two Cycle Aircraft Engine

7 UL 94 Jul 94                Crankshaft for ROTAX 582 UL DCDI

8 UL 94 May 94              Attaching of Water Pump Housing on ROTAX 582 UL DCDI

9 UL 94 rev. Jan 95               Installation instruction of UL reduction gear box type "C" and "CL"

10 UL 94 Mar 94              Installation of UL reduction gear box type "E" and "EL"

11 UL 94 Mar 94              Subsequent installation of retrofit of and oil-pump for separate oil lubrication of engine 503-UL-DCDI

12 UL 94 Oct 94              Installation instruction of UL reduction gear box type "B"

13 UL 94 Jul 94                Using Auto Fuel in ROTAX Two Cycle Aircraft Engine

14 UL 94  Jul 94                ROTAX Two Cycle Aircraft Engines Crankshaft Failures, Piston Seizures

17 UL 94  Jun 94               Weight, Center of Gravity and Moments of Inertia

18 UL 94  Nov 94              Grounding cable for electronic module of ROTAX engine series type 912 UL

19 UL 94  Jun 94               Cylinder and Piston for ROTAX 582 DCDI

20 UL 94 rev Nov 94              Oil System for all ROTAX 912

21 UL 94 Jul 94                912 Carburetor Fixation

22 UL 94 Dec 94              Supply scope of ROTAX crankshafts

26 UL 94 Nov 94              TBO for ROTAX Motor Type 912 UL Series