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TM 07661B-14/1
APPENDIX A
(2)
Remove the enclosure cover from the enclosure on the lower wrapper by removing four screws.
Disconnect the wires of the faulty thermostat.
(3)
Remove the two screws, lockwashers, and nuts securing the upper and lower insulation wrappers together.
Separate the lower wrapper just far enough to expose the thermostats. Remove the faulty thermostat.
(4)
Coat the contacting surface of each thermostat with heat sink paste . Install the new thermostat in the
hole in the insulation wires first.
(5)
Bring the upper and lower insulating wrappers together and clamp in place. Install two screws,
lockwashers, and nuts. Remove clamp.
(6)
Reconnect the wires of the thermostat, and install the enclosure to the lower insulation wrapper.
(7)
If removed, install the AFFF tank assembly to the skid frame. Refer to paragraph 3-13d.
d.
Heater Blanket Replacement.
(1)
Remove AFFF tank assembly from the skid frame. Refer to paragraph 3-13a.
(2)
Refer to b above and remove the lower insulation wrapper and insulation. The upper wrapper and
insulation need not be removed.
(3)
With a chalk pencil mark the outline of the faulty heater blanket on the AFFF tank. Peel the heater blanket
from the AFFF tank.
(4)
Make sure surface of AFFF tank, where heater blanket was removed, is clean.
(5)
Peel the backing from the new heater blanket. Locate the heater blanket on the AFFF tank between the
chalk outline and press in place. Use a roller or suitable tool to thoroughly press the heater blanket in place.
(6)
Install lower insulation and wrapper. Refer to instructions in b above.
(7)
Install AFFF tank assembly to skid frame. Refer to paragraph 3-13d.
Section III. CARE AND PREPARATION FOR STORAGE
A 3-43. STORAGE NOT EXCEEDING THREE MONTHS.
a.
Preparation for Storage. Preparation for storage of the fire extinguisher will include a technical inspection,
complete cleaning, and covering.
(1)
Technical Inspection. Perform a technical inspection to determine completeness and operational condition
of the unit.
(a)
Visually inspect fire extinguisher per instructions in paragraph 1-11.
(b)
Check operation of extinguisher per paragraph 1-11b.
(c)
Drain AFFF solution from tank, paragraph 3-13.
(d)
Complete storage preparations per steps a through i, paragraph 1-13.
A 3-61
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