Section 10
Troubleshooting
20413005
8-2012/Rev 05
10-8
Table 10-1
SL-V Series Troubleshooting Guide
Malfunction Indication Comments
19.
Hot surfaces on the high
pressure cylinder
components
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, if applicable, 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.
Damaged high pressure
cylinder
Check the high pressure cylinder
for cracks.
20.
Low cutting water supply
pressure
Restricted water supply Check cutting water supply flow
and pressure.
Clogged water filter Check the condition of the low
pressure water filter and replace
the filter element if necessary.
Trapped air Bleed the air from the cutting
water plumbing.
21.
Low cutting water pressure Low hydraulic pressure
setting
If operating in low pressure,
switch to high pressure
operation and check the
hydraulic pressure setting.
Not applicable when the
machine is equipped with the
optional proportional pressure
control.
Clean the high pressure
adjustment valve.
Clean the compensators on the
hydraulic pump.
Collapsed element in the high
pressure line filter
Check the element in the high
pressure line filter.
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