Cleaning. Clean pushbutton assembly if necessary in dry-cleaning solvent.
Inspect. Inspect pushbuttons for cracks and broken springs.
Figure 3-15. START and STOP Control Switch Pushbuttons.
3-32. WET WELL LOW WATER LEVEL WARNING LIGHT.
General. The low water level warning light (fig. 3-16) is a red light located on top of the electrical control
cabinet. It works in conjunction with the warning buzzer. If the light comes on during operation it indicates that the water
in the wet well is low.
Dry-cleaning solvent, P-D-680, used to clean parts is potentially dangerous to personnel and property.
Wear chemical resistant gloves when using solvents, and avoid repeated or prolonged skin contact.
Do not use near open flame or excessive heat. Flash point of solvent is 100 degrees F to 138
degrees F (38 degrees C to 59 degrees C).
Cleaning. Clean all parts with dry-cleaning solvent.
Inspect base (3, fig. 3-16) and guard (1) for cracks and damaged threads.