TM 9-2350-247-34
REPAIR CAB DOOR — Continued
0039 00
WARNING
The following first aid supplies should be supplied, with instructions for use, to personnel
working with polyurethane foam:
Respirator - to be worn at all times unless forced ventilation is available.
Goggles - TO BE WORN AT ALL TIMES.
Plastic laboratory apron or suitable coveralls and neoprene gloves.
At least 1 gallon of isopropanol (rubbing alcohol) for washing material from skin.
WARNING
Observe the following basic rules for safe handling of polyurethane foam:
Work in well-ventilated area, preferably one which is force-ventilated.
Do not breathe fumes from products. Avoid standing directly over containers and rising masses
of foam.
Wear goggles at all times when using these products.
Wash all resins from skin with isopropanol (rubbing alcohol) in plentiful quantities immediately
after contact.
In cases of contact with eyes, seek immediate medical assistance, but try to get as much material
as possible out of eye by washing with water. Do not blink – hold eyelid open by hand.
3.
Fill cab door cavity with polyurethane foam filler as follows:
a.
Preheat cab door assembly to 120
F (48
C) before pouring polyurethane foam filler.
b.
Place door, with inner surface facing up, on a horizontal flat surface.
c.
Mix foam filler, to produce rigid polyurethane foam of 2-3 pounds/cubic foot (32-48 kg/cubic meter) density, as
follows:
1) Weigh out 12.8 ounces (363 grams) of resin.
2) Weigh out 0.07 ounce (2 grams) of catalyst.
3) Mix resin with catalyst either by hand with a spatula or tongue blade, or with a mechanical mixer. Mix well. If
using mechanical mixer, batches should be mixed and poured before signs of foaming appear (small white
bubbles form).
0039 00-3
