Hypertherm HyPrecision 100D, Instruction Manual

Page: 66 / 77

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
re
q
u
ire
d
Pe
r s
h
ift
W
eekl
y
M
o
n
th
ly
3
m
o
n
th
s
6
m
o
n
th
s
Y
ear
ly
E
lect
ri
cal
S
yst
em
Inspect all cables and plugs for damage I
Check safety circuits
I
Grease motor bearings
R
L
o
w
P
re
s
s
u
re
W
at
er
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
Hi
g
h
P
re
s
s
u
re
W
at
er
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
H
yd
rau
li
cs
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
64
R