CHAPTER 3. OPERATOR MAINTENANCE INSTRUCTIONS

TM 11-6665-230-12

CHAPTER 3. OPERATOR MAINTENANCE INSTRUCTIONS

3-1. LUBRICATION There is no lubrication required for the Radiac Set.

3-2. TROUBLESHOOTING PROCEDURES

The troubleshooting Table 3-1 lists the common malfunctions which you may find during the

operation or maintenance of the Radiac Set. You must perform the tests, inspections and cor-

rective actions, step by step, as they are listed.

This manual cannot list all malfunctions that may occur, nor all tests or inspections and correc-

tive actions. If a malfunction is not listed or is not corrected by performing listed corrective ac-

tions, notify your supervisor and evacuate to higher maintenance for repair.

3-3. OPERATOR MAINTENANCE PROCEDURES

a. Cleaning. Clean the exposed surfaces of the radiacmeter and the carrying case with a soft damp

cloth.

b. Repairs. The operator is not authorized to make any repairs (other than battery replacement) of

the Radiac Set.

c. Parts Replacement. To replace the batteries refer to Chapter 2, Operating Instructions.

Table 3-1. Troubleshooting

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

RADIAC SET AN/PDR-27R

1. Needle on the meter is to the left of the center scale when function switch is set at BAT COND.

Open the battery compartment and insure that all the batteries are installed correctly.

Reverse any batteries placed backwards. If all of the batteries are installed correctly,

then replace with a new set.

2. Needle on meter moves to the left of zero when the function switch is set at BAT COND.

Set the function switch to off. Open the battery compartment and check that the batteries are in-

stalled properly.

Reverse the batteries installed in the battery compartment.

3. No clicks are heard in the headset and no indication is present on any meter scale when the active

end of the test sample is approximately six inches from the large cylinder of the probe.

Remove and exanime the battery compartment cover for proper installation and condition of the

batteries.

Evacuate to a higher level of maintenance.

3-1/(3-2 BLANK)