Revision O
Caution:
The use
of
improper tools can result
in
injury
to
personnel and/or costly
damage
to
equipment.
• Be sure all tools, parts and rags are cleared away from any moving parts after servicing
the equipment.
2.
Specific Safety Precautions For Service Personnel
• High pressure water may remain in the unit for a prolonged period
of
time after
shutdown
of
the high pressure water source. Make sure to bleed down all unit pressure
before service is attempted
to
any part
of
the unit.
• Some
of
the fittings, connection or parts are equipped with weep holes. Do not touch
these weep holes with your bare hands or try
to
stop the flow
of
water by clogging the
holes.
• When breaking any high pressure connection, slowly loosen the fitting nut
to
allow any
stored pressure
to
escape through the fitting weep hole. Never stand directly in line
with the fitting weep hole when performing such procedures.
• Do not remove high pressure tubing protective shields.
If
the protective shields are
removed for service, make sure that they are put back on before starting the unit.
• Torque all fittings being serviced to designated manufacturer specifications.
• Do not step or lean on high pressure water tubing. You may break the connection and
cause leakage.
• Use only high pressure fittings, valves and tubing which are certified for the pressure
rating when making alterations or additions to the high pressure water jetting unit.
• Use only original equipment NLB replacement parts.
• Double check to insure that all pressure is relieved from the system before proceeding
with repairs.
© Copyright September, 1999 NLB Corporation
8-3
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