TM-9-2520-270-34

HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE

NOVEMBER 1984

TM-9-2520-270-34 - Page 398 of 933

TM 9-2520-270-34

REPAIR PISTON DISCONNECT CLUTCH HOUSING INSERT S

DESCRIPTION

This task gives the location and part number of helical coil inserts used in the piston housing

assembly. Part or item numbers of tools, kits, and inserts, and working dimensions are given below.

For procedures to remove and install helical coil inserts, refer to Replace Helical Coil Inserts. See

page 2-166.

Tools:

General mechanic’s tool kit:

automotive — (Item 33, App C)

Industrial goggles – (Item 39, App C)

Inside/outside indicator caliper —

(Item 41, App C)

Micrometer depth gage — (Item 54, App C)

Screw-thread insert kit — (Item 63, App C)

Screw threading set — (Item 65, App C)

Compressed air source, 30 psi

(207 kPa)

maximum

Materials/Parts:

Cleaning solvent — (Item 1, App B)

Transmission oil — (Item 12, App B)

Wiping rag – (Item 13, App B)

Personnel Required:

Track Veh Rep 63H10

Equipment Conditions:

Piston disconnect housing on workbench.

See page 4-82.

HELlCAL COIL INSERT REPLACEMENT INFORMATION

Index

No.

1

Insert

No.

MS21209

F6-20

Insert

Thread

Size

(Inches]

3/8-24

Installation

Depth

Below

Surface

0.24-0.26 in.

(6.1-6.6 mm)

END OF TASK

4-90 through 4-92 Change 3

INITIAL SETUP

REPAIR