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 216 of 624

2-200

TB 9-2510-251-13

2-2.2

Installation of Air Conditioning Kit to M998 and M998A1 Four-Door with O'Gara Hess

Add-on-Armor (Cont’d).

g. Air Distribution Ducting (Cont’d)

(7)

If air distribution to front is not possible or desired:

a. Cut off female end of 90° elbows so the elbows fit over the square outlets on the plastic

plenum.

b. Attach 90° elbows to plenum.

c.

When air delivery is acceptable, apply a generous quantity of PVC cement

(item 3, Appendix D) to the mating surfaces and secure with screws.

h. Prepare System for Use

1

1

REAR SIDE

ARMOR PLATE

REAR SIDE

ARMOR PLATE

Figure 2-289.

Rear Side Armor Plates

1

REAR CENTER

ARMOR PLATE

Figure 2-290.

Rear Center Armor Plate

(1)

Using foam (1) and duct tape, seal as many cab air leaks as possible.

(2)

Purge and charge air conditioning system (para 4-14).