Section 9
Troubleshooting
20425626
5-2005/Rev 0
9-5
S30 Troubleshooting Guide
Malfunction Indication Comments
Leaking discharge check
valve
Inspect the condition of the
seat, poppet valve, spring,
poppet pin and sealing head
surface on the discharge end of
the sealing heads.
Leaking inlet check valve Inspect the condition of the
poppet valve, poppet retainer
and the spring on the inlet end
of the sealing heads.
Damaged sealing head Check the cone flange surface
of the sealing head for scratches
or mechanical damage and
replace if necessary.
10.
Hot surfaces on the high
pressure cylinder components
Damaged high pressure
cylinder
Check the high pressure
cylinder for cracks.
Restricted water supply Check cutting water supply
flow and pressure.
Clogged water filter
Not applicable for base units.
Check the condition of the low
pressure water filter and replace
the filter element if necessary.
11.
Low cutting water supply
pressure
Trapped air
Not applicable for base units.
Bleed the air from the cutting
water plumbing.
If operating in low pressure,
switch to high pressure
operation and check the
hydraulic pressure setting.
Clean the high pressure
adjustment valve.
12.
Low cutting water pressure Low hydraulic pressure
setting
Clean the compensators on the
hydraulic pump.
13.
Hydraulic oil leaking from
the weep hole in the
hydraulic cylinder head
Failed hydraulic cartridge seal Replace the cartridge seal. If
the leak persists, check the
plunger for linear scratches or
scoring.
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