7. Visually inspect discharge nozzles for dirt and/or physical damage. If discharge nozzles are damaged,
replace the applicable discharge nozzle (WP 0032 00). If discharge nozzles are dirty, perform the cleaning
procedure described in the paragraph below.
8. Visually inspect all manual pull stations for cracks, broken or cracked glass plate, dirt, or distortion. Report
any discrepancies to the maintenance supervisor. If necessary, perform the cleaning procedure described in
the paragraph below.
9. Visually inspect the pressure switches for deformations, cracks, dirt, and/or damage. Replace the pressure
switch (WP 0032 00) if damage is found. Perform the cleaning procedure described in the paragraph below
Do not allow cleaning solvent to come in contact with unprotected skin or eyes.
Prolonged skin contact can cause illness or injury. Eye contact can cause seri-
ous injury. Always wear chemical protective gloves and goggles when handling
cleaning solvent. Failure to follow these precautions can result in illness or seri-
Cleaning solvent is flammable and its vapor is potentially explosive. Do not use
cleaning solvent in the vicinity of spark, open flame, or excessive heat. Do not
use cleaning solvent in unventilated spaces. Failure to follow these precautions
can result in death or serious injury.
1. Remove dirt from metallic parts using a clean wiping rag moistened with dry cleaning solvent.
2. Dry the metallic parts with a clean wiping rag.
3. Wipe non-metallic parts with clean, dry lint-free cloth.
4. Remove corrosion using an abrasive cloth and paint the area (TB 43-0144).
DISCHARGE NOZZLE SERVICE
1. Clean the outside of the discharge nozzles with a rag or a soft brush.