SCREW THREAD INSERT REPLACEMENT (ENGINE ELECTRICAL MOTIONAL TRANSDUCER/SPEED PICKUP NO. 1 0R 2) (Sheet 1 of 2)

TM 9-2835-255-34

SCREW THREAD INSERT REPLACEMENT (ENGINE ELECTRICAL MOTIONAL

TRANSDUCER/SPEED PICKUP NO. 1 0R 2) (Sheet 1 of 2)

TOOLS: General mechanic's tool kit: automotive (SC5180-90-N26)

Tool kit, screw thread insert (Item 122, Appendix D)

SUPPLIES:

Insert, screw thread (Item 153, Appendix E)

Shortening compound (Item 20, Appendix B)

Wiping rag (Item 14, Appendix B)

EQUIPMENT CONDITION:

Engine oil pump assembly removed (TM 20-1)

Engine electrical motional transducer/speed pickup No. 1 or 2 removed (TM 20-1)

REMOVAL:

NOTE

Cover oil pump mounting pad opening (1) with

wiping rag to keep dirt out of accessory gearbox

(2) while doing work.

Use this task to replace No. 1 or 2 speed pickup

insert. No. 1 is shown.

REMOVE SCREW THREAD INSERT (3)

FROM GEARBOX (2) USING SCREW

THREAD INSERT TOOL KIT.

a. Place blade (4) of extracting tool (5) into

insert (3).

b. Tap head of extracting tool (5) with ham-

mer to seat blade (4) into the top coil of

insert (3).

c. With firm pressure turn extracting tool (5)

counterclockwise until insert (3) is half

way out.

d. Turn insert (3) all the way out.

COAT TAP (6) WITH SHORTENING COM-

POUND TO C PTURE ANY CHIPS.

CHASE THREADS WITH TAP (6) TO

REMOVE NICKS AND BURRS. CLEAN

OUT HOLE (7), USING WIPING RAG.

Go on to Sheet 2

7-28 Change 4