Section IV. MAINTENANCE OF THE RADIAC SET

TM 11-6665-245-12

Section IV. MAINTENANCE OF THE RADIAC SET

4-8. Maintenance of the Radiacmeter

stored area must prevent items from being stolen.

a. Headset BNC Type Connector Cap Re-

(2) Items stored must be protected from the

placement.

This connector is located

weather. Covered storage is required.

just below the indicating meter on the

(3) Items to be stored must be in good working

left-hand side of the radiacmeter front

order. Equipment that is inoperative cannot be stored.

panel (fig. 4-1). If the connector cap

Perform an operation check (para 2-2) of the equip-

is damaged or missing, replace as follows:

ment prior to storage. Remove all batteries from the

(1) Using a screwdriver, remove the screw that re-

equipment and storage case prior to storage.

tains the cap chain to the front panel. Do not discard the

(4) In the case of items put into administrative

screw.

storage (1-45 days), the storage area must be accessible.

(2) Twist the cap, mounted on the BNC connec-

The equipment in storage must be able to be put into

tor, counterclockwise to unlock it from the connector,

operation within 24 hours.

and lift it off the connector.

b. Preparation for Shipment. The radiac set is

(3) Plug a new cap firmly into the connector, and

shipped in its storage case without any internal packing

twist it clockwise to lock it in place.

or cushioning material. The storage case itself must be

(4) Place the screw through the eyelet on the free

protected during shipment by packing it in an oversized

end of the cap chain, and reinstall the screw into the

corrugated fiber board box. The space inside the pack-

radiacmeter front panel.

ing box, at least 1 to 2 inches all around the storage case,

b. Selector Switch Knob. Located at the center

must be filled with cushioning and blocking material to

right of the radiacmeter front panel (fig 4-1). If this

prevent movement. The packing box should then be sur-

knob becomes loose, damaged or is missing , replace of

rounded with some form of vapor barrier and sealed.

retighten as follows:

Next, the packing box with vapor barrier in place should

(1) Determine what scale the radiacmeter is set to

be placed inside another corrugated fiber board box and

by observing the indicating meter scale.

sealed.

(2) If the knob is missing, place a new knob on

c. Battery Compartment Gasket Replacement.

the selector switch shaft. If the knob is damaged, use a

Should the battery compartment cover gasket (fig. 4-1)

small blade screwdriver to loosen the screw in the knob

become detached or damaged, replace as follows:

and remove the damaged knob. Replace with a new

(1) Remove any portion of the old gasket from

knob.

the battery compartment cover by peeling or lightly

(3) Line up the knob with the front panel marking

scraping.

that agrees with the indicating meter scale (OFF, BATT,

(2) Clean the cover of all residue using soap and

1M, 100K, or 1K).

water and a cleaning cloth. This surface must be

(4) Using the small blade screwdriver, tighten the

thoroughly clean and dry.

knob screws so that the knob position is in agreement

(3) Apply a light coating of adhesive (item 6,

with the meter scale.

a p p x D) to both the gasket and the battery

4-9. Preparation for Storage or Shipment

c o m p a r t m e n t cover.

(4) Place the gasket firmly onto the battery com-

a. Preparation for Storage. The following items

partment cover, in the correct position.

must be completed or considered prior to storing the

equipment.

(5) Wait at least 30 minutes before reinstalling

(1) Security of the stored items is required. The

cover.

Change 1

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