FIRE EXTINGUISHER. Inspect for broken seal (Weekly).
BRUSHES. Inspect to see that brushes move freely in brush
holder and make firm contact.
CABLE ASSEMBLIES. Inspect cable assemblies. If damage is
apparent repair or replace immediately.
ELECTRODE HOLDER ASSEMBLY. Inspect electrode for
general condition. Replace if defective.
TERMINAL BOARD CONNECTIONS. Tighten loose cables or
CONTROLS AND INSTRUMENTS. Inspect for damage and
loose mountings. With unit operating check for proper operation.
Replace defective instruments.
NOTE 1: OPERATION. During operation observe for any
unusual noise or vibration.
Figure 8. Daily preventive maintenance services..