22
P R E V E N T A T I V E M A I N T E N A N C E
S C H E D U L E
SINGLE PHASE
Monthly: Check connections at
Make sure all connections are tight.
Electrical input lines.
WARNING: Turn input power
OFF before checking.
3 Months: Clean secondary
Remove upper electrode holder and
clean surfaces between holder and
head lug. Remove lower head of
horn from lower arm and clean
contact surfaces. Clean with steel
wool or fine emery cloth. Do not
clean silver plated surfaces or use
solvents.
3 Months: Inspect entire
Inspect all air lines and connections
pneumatic system.
for leaks. Replace any worn or
damaged hoses. Use certified
tip force gauge in lieu of calibration
of gauges, monthly.
3 Months: Inspect entire
Inspect all water lines and connection
cooling system for leaks. Replace any
worn of damaged hoses.
6 Months: Check operation
Check pressure readings at gauges for
of pressure regulators.
various settings of each regulator.
full line pressure indicates a
ruptured diaphragm or worn valve
parts. Unstable regulation or poor
low pressure control indicated dirty
or worn parts. Clean and replace any
worn or damaged parts.