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Page Title:
CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS |
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 TM 11-6665-245-12
CHAPTER 3
OPERATOR MAINTENANCE INSTRUCTIONS
3-1. Scope of Maintenance
(1) Storage Case
(2) Radiacmeter, including battery com-
a. The maintenance duties of the operator are
partment.
to perform a prescribed sequence of preventive
(3) Main Probe
maintenance procedures. The preventive
(4) Aux Probe
maintenance procedures provide for the
(5) X-Ray Probe
systematic care, servicing, and inspection of the
(6) Headset
equipment to prevent the occurrence of trouble
(7) Extension Handle
and to reduce downtime.
(8) Harness
b. These checks and services are also to
maintain the equipment in a mission ready condi-
3-4. Operator Preventive Maintenance
tion. The checks and services for AN/PDR-56F are
Checks and Services (PMCS)
as follows:
(1) Routine services (Para. 3-3)
There is no PMCS to be performed on Radiac Set
(2) Cleaning (Para. 3-5)
AN/PDR-56F.
3-2. TooIs, Materials, and Equipment
3-5. Cleaning
Required for Maintenance
Inspect all exposed surfaces of the equipment.
These surfaces should be free of dust, dirt,
a. No equipment is required for operator
grease, and fungus.
maintenance. Tool Kit, Electronic Equipment TK
a. Use the lint-free cloth to remove dust and
101/G is required by the operator.
loose dirt.
b. The following cleaning materials will be
useful to the operator:
CAUTION
(1) Soap and water
(2) Lint-free cloths
Do not press on the radiacmeter in-
(3) Glass cleaner
dicating meter glass when cleaning; the
(4) Small soft bristle brush
meter may be damaged.
3-3. Routine Services
b. Using a cloth dampened (not wet) with soap
and water, remove grease, fungus, and hard to
Routine services are checks and observations
remove dirt.
performed by the operator at all times. Routine
c. Use the soft bristle brush to remove dust
services are not scheduled preventive
and dirt from areas hard to reach with the clean-
maintenance checks and services.
ing cloth.
a. Routines. The operator should perform the
following routines as necessary:
3-6. Troubleshooting
(1) Cleaning (Para. 3-5)
Operator troubleshooting procedure shall be as
(2) Check for cut or frayed cables.
follows:
(3) Check for dented, bent, or broken com-
ponents.
a. With the radiacmeter in an operating mode,
if the indicating meter on the front panel does not
(4) Check to see that items not in use are
properly stowed.
indicate, or exhibits a low reading, the operator
(5) Check for rusting.
should replace the batteries with new ones.
b. With the radiacmeter in an operating mode,
(6) Check controls for smooth operation.
if the needle on the indicating meter swings
(7) Cover unused receptacles, where ap-
plicable.
below zero (to the left of zero), the operator should
check to see if the batteries have been installed
(8) Check for loose hardware and connec-
tors.
backwards. If they have, the operator should
r e v e r s e the battery positions and check the
(9) Check to see that nameplates are clean
radiacmeter for proper operation.
and legible.
c. If battery replacement or reversal cannot
(10) Check for completeness of equipment.
b. Items Requiring Routine Services.
correct the problem, the equipment requires a
higher category of maintenance.
3-1/(3-2 blank)
Change 2
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