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 357 of 1563

TM 9-2815-220-24

COOLING FANS, VANES, FAN HOUSINGS, AND SEALS REPLACEMENT

0054 00

WP 0054 00-5

7

6

5

INSTALLATION (Continued)

5. Place fan (4) over shaft (24) rotating slightly

(if necessary) to align with spline.

4

a. Secure with flat washer (7) and slotted

nut (6).

24

b. Using torque wrench, torque nut (6)

600-625 inch-pounds (68-71 N•m) and

install new cotter pin (5) (item 53,

WP 0175).

c. Repeat for opposite fan.

6. Check fan (4) clearance.

a. Using fan rotor gauge or 0.062-inch

feeler stock, check clearance between tips

of front and rear fan blades and inside

diameter of fan housings.

b. Check clearance in four opposing

positions (front, back, left, and right) for

each fan.

Clearance must be 0.062 inch

(1.5748 mm) minimum.

c. Shift fan housings until clearance is

obtained.

Tighten fasteners (11 and 16),

then recheck clearance.

Repeat as

necessary until clearance is obtained and

fasteners are tight.

11

16