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a) Correctly install cover (3), with the "LEFT" and "RIGHT" markings facing upwards.
b) Connect the condensers.
c) Install cover (3) with screws (6) and new lockwashers (7).
d) Connect magneto ends (5) and ground wires (4).
e) Coat electrical connections with varnish (TB 07-901).
CAUTION : DO NOT PEEL THE HARNESS PROTECTIVE SLEEVE WHEN PASSING THE IGNITION HARNESS THROUGH THE ENGINE BULKHEADS.
4) Position the ignition harnesses. A digit, followed by a letter, is engraved on the nut of harness end (2) - see Detail B. Match the digit with engine marking (1). The letter determines the position of the harness with respect to the cylinder :
- T for the top spark plug,
- B for the bottom spark plug.
5) Check the ignition harnesses for correct routing.
6) Remove the protection and connect harness ends (2). Torque - refer to 20-00-01.
7) Install the engine bulkhead grommets.
8) Position the attaching clamps on the ignition harnesses and secure to the engine and the engine bulkheads.
9) Install new high temperature tie-wraps.
10) Make sure all the tools and materials are removed and the work area is clean and free from debris.
11) Install the engine cowlings - refer to 71-10-01.
12) Perform a test run-up - refer to 05-30-02.
1 - Engine marking
2 - Harness end
3 - Cover
4 - Ground wire
5 - Magneto end
6 - Screw
7 - Lockwasher
8 - End
Ignition harness - Removal / Installation
Figure 401
ACAA
Validity : S / N 1 - 9999 74-20-01Page 403
(DA) OCT 02
PAGE INTENTIONALLY LEFT BLANK
ACAA
Validity : S / N 1 - 9999 74-20 01Page (DA) OCT 40024
SPARK PLUG
SERVICING
1. CLEANING OF A SPARK PLUG
A. Tools and consumable materials
- Vibration cleaning equipment Champion 2600A or equivalent
- Dry air blast cleaning equipment Champion CT-475AV or equivalent
- Cleaning agent (TB 11-003)
B. Procedure
1) Remove the spark plug - refer to Page 401.
2) Inspect the spark plug - refer to Page 601.
CAUTION : DO NOT GRIND OR SCRUB WITH A WIRE BRUSH THE SPARK PLUG ELECTRODES.
3) Remove hard deposits from the spark plug electrodes using the vibration cleaning equipment.
CAUTION : CLEANING USING THE DRY AIR BLAST CLEANING EQUIPMENT MUST NOT EXCEED 5 SECONDS.
4) Perform the final cleaning of the electrodes using the dry air blast cleaning equipment.
CAUTION : CLEANING USING THE DRY AIR BLAST CLEANING EQUIPMENT MUST NOT EXCEED 5 SECONDS.
5) Clean the spark plug barrel using the dry air blast cleaning equipment or cleaning agent (TB 11-003).
6) Clean the spark plug threads with cleaning agent (TB 11-003).
7) Install the spark plug - refer to Page 401.
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