TM 9-4120-378-14
Section III. OPERATOR MAINTENANCE INSTRUCTIONS
3.5 GENERAL. Operator maintenance consists primarily of the following procedures:
a. Servicing screens and guards; and
b. Adjusting louvers, dampers and actuators, and control module.
SCREENS AND GUARDS-SERVICE. This task covers cleaning.
3.6
INITIAL SETUP
Materials/Parts:
Brush
Cleaning cloth
Remarks
Action
Location/Item
Disconnect the power source be-
fore performing any maintenance
function.
Do not use compressed air for
cleaning purposes except where
reduced to less than 30 psi (2.1
kg/cm2) and then only with effec-
tive chip guarding and personnel
protective equipment.
Dry cleaning solvent (Item 16, Ap-
potentially dangerous to personnel
and property. Avoid repeated and
prolonged skin contact, Do not use
near open flame or excessive
heat. Flash point of solvent is
100" F (38C).