TM 3-1040-220-12&P
CHAPTER 3
OPERATOR'S MAINTENANCE INSTRUCTIONS
Section I. OPERATOR'S PREVENTIVE MAINTENANCE SERVICES
release pin, and close the lever plug and globe valves.
3-1.
General
Report the deficiency to organizational maintenance
The operator of the disperser is responsible for regular
personnel.
performance of preventive maintenance services to
c. Gages. Maintain a continuous check on the readings
insure that the disperser operates properly and to lessen
of the dial indicating pressure gages (9 and 10, fig. 2-1).
the probability of failures. These services generally
Report any deficiencies to organizational maintenance
consist of before, during, and after operation services.
personnel.
3-2.
Before Operation Services
3-4.
After Operation Services
a. General.
The purpose of before operation
a. General.
The purpose of after operation
services is to determine whether the disperser is in good
services is to make certain the equipment will be in
operating condition. Deficiencies must be corrected or
proper operating condition at all times. Correct all
reported to organizational maintenance personnel for
deficiencies within the capabilities of the operator.
correction before the disperser is placed in operation.
Report all other deficiencies to organizational
b. Visual Inspection.
Make a thorough visual
maintenance personnel.
inspection of the disperser and check for loose or
b. Visual
Inspection.
Inspect
disperser
missing nuts or bolts. When necessary, tighten or
components for damage. Check for loose or missing
replace hardware. Inspect the agent container, both
parts. Report damage, missing parts, and all other
compressed gas cylinders, fittings, gages, valves, and
deficiencies to organizational maintenance personnel.
frame to be certain they are not damaged.
c. Accessories. Inspect all accessories to make
c. Accessories. Check that all accessories are
certain that all items required are accounted for and in
available and in satisfactory condition. Inspect the
good condition.
corrugated and nonmetallic hoses to be certain they are
d.
Cleaning.
Clean the disperser and its
not plugged.
accessories thoroughly.
d. Gages. Open the globe valve (8, fig. 2-1) and
observe the readings on the dial indicating pressure
3-5.
Preventive Maintenance Checklist
a. Purpose. The preventive maintenance checklist
gages (9 and 10).
provides the operator of the disperser with a summary of
3-3. During Operation Services
the services to be performed before, during, and after
a. General.
The purpose of during operation
each operation. The checklist should be used each time
services is to make certain the disperser remains in
preventive maintenance is performed to insure that all
satisfactory working order while being operated. As an
required maintenance is accomplished.
integral part of the operation of the disperser, a general
b. Checklist.
Deficiencies or shortcomings
inspection of the unit must be continued at all times.
discovered during preventive maintenance servicing
b. Constant Inspection. Maintain a constant check of all
must be corrected. If correction action is not authorized,
components of the disperser. Check all fittings and
report deficiencies to organizational maintenance
connections for leaks. If deficiency cannot be corrected
personnel.
by the operator, close the ball valve, install the quick
3-1
