4.1.14 Checking the safety valves
DANGER!
Risk of excess pressure build-up
Faulty or manipulated safety valves may lead to excess
pressure build-up. Excess pressure build-up may destroy the
system. There is then a serious risk of death in the vicinity of
the system due to flying parts and escaping hot gas, hot air
or hot cooling water in the case of water-cooled compres-
sors.
–
Check the safety valves regularly and replace if faulty.
– Do not adjust, disable or remove safety valves.
CAUTION!
Risk of injury from safety equipment
Direct contact with safety valves can result in injury. When
blowing of
f a safety valve, hot air or hot gas escapes at high
pressure.
– Wear the specified personal protective equipment to
minimise the risk of injury.
– Avoid direct contact with the safety valves and maintain
a safe distance from them.
The safety valves are sealed by the manufacturer to prevent tampering. The
construction of the safety valves means that they cannot be tested for func-
tion.
The operator must check and replace the safety valves in accordance with
country-specific guidelines and laws.
Sauer USA offers a profes-sional and qualified safety valve
replacement service and corresponding training for
maintenance personnel. Please contact Sauer-Service.
Carry out the following checks to detect any damage to safety valves:
n Check the safety valve and seal for signs of external damage.
n Check threaded connections for proper seating.
n Check attached parts and lines for damage.
Have damage to safety valves, attached parts and lines repaired immedi-
ately by the Sauer-Service department.
MAINTENANCE
WP5000 Basic WA 41013675 en GB 20190916 | 59
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