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APPENDIX A
TM 07661B-14/1
Table A 3-2. Trouble-Shooting Chart (Continued)
SYMPTOM
PROBABLE CAUSE
POSSIBLE REMEDY
HEATER INOPERATIVE
Open thermo-
If test above indicates
AT ANY TEMPERA-
stat or heater
infinity and no break in
TURE (Power
element.
wiring harness, an open
Source okay).
heater element or thermo-
stat is indicated.
NOTE
An alternative to
thermostat or heater
blanket replacement in
all remedies above is
installation of an
immersion type heater
in the 1-inch plug on
end of AFFF tank.
Section V. ORGANIZATION MAINTENANCE
A 3-7. DEFINITION AND SCOPE.
a.
Definition. Organizational maintenance is that maintenance which is the responsibility of and performed by a
using organization. Its phase normally consists of inspecting, servicing, lubricating, adjusting, and replacement of parts,
minor assemblies, and sub-assemblies not requiring specialized skills.
b.
Scope. Organizational maintenance includes first and second echelons of maintenance. First echelon
maintenance is that performed by the operator. Second echelon maintenance is that designated to be performed by
specially trained personnel provided for that purpose in the using organization.
A 3-8. PERIODIC INSPECTION . In addition to all other inspections previously outlined, the fire extinguisher will be
periodically inspected in accordance with table 3-3. Those preventive maintenance functions in table 3-1 which are
identical to and coincide with any of the inspection requirements of table 3-3 will be performed concurrently when
possible.
A 3-9. LUBRICATION . Overall lubrication of the fire extinguishing unit will be done in accordance with the Lubrication
Chart (table 3-4) and specific instructions in this paragraph. Operators and maintenance personnel should consult latest
revisions of general lubrication instructions and directives for possible improvement in lubricants or procedures.
a.
Hose Reel. Several items on the hose reel require periodic lubrication. Lubrication intervals will depend on
frequency of use. Intervals specified should be regarded as minimum lubrication requirements.
A 3-8
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