MODIFICATION PROCEDURES

MWO 9-2300-200-20-1

NOMENCLATURE

CAGE

PART NO

QTY

Polyurethane Foam "Great

S1212-01

54577

Stuff" Insta Foam Products

or equivalent,

M6325

00333

Siliprene Adhesive (8030-01-105-3755)

12377847

19207

MS51861-37

96906

Screw (NSN 5305-00-432-4172)

19207

12377846

Heater Plate Cover

19207

MWO 9-2300-200-20-1

MWO in protective bag (MWO)

Fed Spec A-A-1799

Bag, plastic, size 10-1/2 x 12

58536

zip lock, (NSN 8105-00-837-7753)

12377855

Decal (Caution)

19207

CAUTION

Kit requires application prior to shelf life expiration. Manufac-

turing date and expiration caution are shown on containers.

Shelf life of materials is Polyurethane Foam - 9 months,

Siliprene Adhesive - 9 months.

Disposable gloves wil be worn to prevent skin contact with as-

bestos fibers.

c. Bulk and Expendable Material. Disposable gloves, obtained through Self-Service Supply Store.

d. Parts Disposition. Dispose of register covers, spray cans, adhesive and gloves as hazardous waste.

9. SPECIAL TOOLS; JIGS; TEST MEASUREMENT AND DIAGNOSTIC EQUIPMENT (TMDE); AND

FIXTURES REQUIRED. General Mechanics Tool Box.

10. MODIFICATION PROCEDURES.

a. Permanently disconnect heaters: Position heater power switch in OFF position. Disconnect power

cable, fuel pump wiring and thermostat wiring connectors at front of heater. Disconnect fuel overflow line and

fuel inlet line at front of heater. Disconnect ground wire at heater front mounting bracket. Tape wires and lines

to heater body.

b. Remove equipment from front of heat registers located in the lower half of the front wall.

c. Remove four heat register covers. Retain fasteners for reuse with permanent cover plates. Dispose of

the register covers in accordance with local procedures as hazardous waste material. Clean wall area around

the heater duct openings. Ensure area is free from dirt, grease and oil.

Ozone Friendly Great Stuff Foam Spray Insulation may ag-

grevate respiratory conditions. Use in well ventilated area. See

Safety information, page 6.

d. Apply spray foam insulation into the bottom of the van body front wall cavity through the register open-

ing in the front wall. Do not disturb asbestos cloth insulation. Evenly spray entire contents of two cans into the

four register openings. Spray must foam up to completely seal the lower portion of the ducts, thus containing

asbestos fibers at the base of the front cavity/duct. Objective is to seal heat outlets to the folding floor that run

the length of the van body. Foam expands in 60 minutes.