TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 1196 of 1563

TM 9-2815-220-24

ACCESSORY DRIVE GEAR REPLACEMENT

0141 00

INSTALLATION

10

9

7

8

1. Install accessory drive gear (7).

a. Position gear (7) on crankshaft (10).

b. Apply lubricant (item 23, WP 0173) to

threads of 12 screws (9).

c. Install and alternately tighten 12

screws (9) to secure gear (7) onto

crankshaft (10).

d. Alternately torque-tighten 12 screws (9)

to 52 foot-pounds (71 N

•

m).

e. Secure screws (9) with new

lock wire (8) (item 44, WP 0173).

2. Install oil seal housing support (1).

4

5

3

2

1

a. Apply a bead of RTV sealant (item 33,

WP 0173) to both sides of support (1)

where it mates with crankcase (4).

b. Install oil seal housing support (1) on

dowel pins (5).

c. Secure oil seal housing support (1) to

crankcase (4) using four screws (2) with

flat washers (3).

d. Apply RTV sealant (item 33, WP 0173) into the openings at the crankcase and support

parting line.

RTV Sealant (4 places)

WP 0141 00-4