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APPENDIX A
TM 07661B-14/1
CHAPTER 3
MAINTENANCE INSTRUCTIONS
Section I. INTRODUCTION
A 3-1. DEFINITION AND SCOPE . This chapter provides the information necessary for maintenance of the fire
extinguisher. Maintenance is defined as the action taken to retain material in, or restore it to, a serviceable condition.
This chapter will consist of, in addition to Section I, the following sections:
Section II, Tools and Equipment.
Section III, Preventive Maintenance Services.
Section IV, Troubleshooting.
Section V, Organizational Maintenance.
Section VI, Field Maintenance.
Section VII, Care and Preparation for Storage.
A 3-2. FORMS, RECORDS, AND REPORTS. Record and report forms are an important control consideration in the
planning and implementation of equipment maintenance. Consistent inspection procedures, repair parts requirement
forecasting, repair parts requisitioning, and economical, effective shop procedures are dependent upon strict adherence
to the preparation and use of all record and report forms currently prescribed by directives for maintenance facilities. All
record and report forms which are required by current directives to be maintained by maintenance facilities shall be
carefully processed in accordance with such directives.
Section II. TOOLS AND EQUIPMENT
A 3-3. TOOLS AND MATERIALS SUPPLIED WITH THE EQUIPMENT.
a.
General. Tools and equipment supplied with the fire extinguisher, but not necessarily part of the basic unit,
are listed in this paragraph.
(1)
Installation tool (1, figure 3-1) is used for removal and replacement of twin-line hose or fittings. The
tool is stored inside the primary hose reel frame and held in place with a u-bolt.
(2)
Dipstick (2, figure 3-1), used in AFFF tank replenishment, is an aluminum yardstick which is used to
measure from top of tank to top of solution to determine quarts of AFFF concentrate required during servicing. It is
stored in a protective tube attached to the fire extinguisher when not in use.
(3)
Fill Funnel (3, figure 3-1) is provided for servicing the dry chemical tank. No provisions are made for
storing the funnel on the fire extinguisher.
(4)
Hose Reel Cranks, one for each hose reel, are to be attached in the side of the hose reel frame (3,
figure 1-8).
(5)
Remote Hose Reel Cart. The remote hose reel cart is self-contained in that it can be rolled to
A 3-1
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