Chapter 4 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 5-6640-213-14

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

Section I.

REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT.

There are no special tools or equipment required for maintenance

of the laboratory.

4-2.

MAINTENANCE REPAIR PARTS.

Repair parts and equipment covering direct and general support

maintenance of the laboratory are listed in Appendix C.

TROUBLESHOOTING

Section II.

a. This section contains repair, adjusting and troubleshooting

information and tests for locating and correcting most troubles which

may develop for items which require direct support and general

support maintenance.

b. This manual cannot list all possible malfunctions that may

occur, or all tests or inspections and corrective actions. If a

malfunction is not listed, or is not corrected by listed corrective

actions, you should notify higher lever maintenance.

4-4.

OVEN.

a. Compound Adjustment, Repair, or Replacement. Before making

adjustment or repairs, or before replacing components, disconnect the

unit from it electrical source and remove the shelves and thermometer.

(1) Oven door. If heat loss occurs, inspect the door

closure. The plate on the door that engages the magnetic catch on

the cabinet is adjustable. Loosen or tighten it, as applicable, to

assure proper door closure. Also inspoect the door gasket to make

certain it fits firmly against the cabinet at all points. Replace

the gasket, if damaged.

(2) Pilot light. Access to the back side of the control

panel is gained by removing the two top and two bottom screws that

hold. it in place. When replacement of the pilot lights is necessary

tag the lead wires with respect to their relative positions, detach

them from the light, and push it outward from the back of the panel.

Press the new light into this opening and attach the proper wires to

it. Be sure the red portion is on the right side.

4-1