Hypertherm HyPrecision 100D - Page 66

Scheduled Maintenance Chart
The following maintenance intervals are based on 4,000 hour per year operation. Less hours of use will
increase maintenance interval length.
As required
Per shift
Weekly
Monthly
3 months 6 months
Yearly
Electrical
System
Inspect all cables and plugs for damage
I
Check safety circuits
I
Grease motor bearings
R
Low Pressure
Water
Inspect fittings and hose for damage
I
Adjust cooling water flow
A
Check inlet water pressure
I
Inlet water filters
I
R
Check pressure in water accumulator – set to 40 psi
I
High Pressure
Water
Visually inspect for leaks
I
Check temperature of intensifier and bleed down valve
I
Lap or replace LP poppet and check valve face
R
Replace HP seals
R
Replace HP filter at pump outlet
I
R
Replace hydraulic rod seal
I
R
Replace plunger bearing
I
R
Hydraulics
Change oil filter (sooner if bypass occurs)
R
Change oil
Check oil level
I
Check oil temperature
I
Check for oil leaks
I
A – Adjust I – Inspect R – Replace
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R