TB-9-2510-251-13

TECHNICAL BULLETIN

OPERATOR AND FIELD MAINTENANCE; INSTALLATION MANUAL (INCLUDING REPAIR PARTS LIST); FOR ADD-ON-ARMOR (AoA) AIR CONDITIONING

AUGUST 2007

TB-9-2510-251-13 - Page 219 of 624

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TB 9-2510-251-13

2-2.3

Installation of Air Conditioning Kit to M1097A2 Two-Door with O'Gara Hess

Add-on-Armor (Cont’d).

a

Install Compressor (Cont’d)

(7)

Remove passenger side grooved 5-inch idler pulley (3).

2

3

Figure 2-293.

Center Flat Idler Pulley

Figure 2-294.

5-Inch Idler Pulley Removal

(3)

Remove center flat idler pulley (2) from engine pulley plate.

(4)

Loosen alternator and power steering pump belts.

(5)

Slip belts off alternator and power steering pump pulleys.

(6)

V-belts.

Disconnect fan clutch hose to remove belts.

a. If the vehicle will be upgraded to use a 200 amp alternator, and three forward belts are

to be used to drive the alternator, one new longer belt will be used for the power

steering pump and the air conditioning compressor.

Remove the existing power

steering belt(s) and replace with new longer belt.

b. If only the two forward belts will be used for the alternator, the power steering pump will

be driven by one new longer belt.

Remove only one power steering belt and install be

longer belt on rear most pulley groove.

c.

Reconnect fan clutch hose.