Dover PSG BLACKMER AIR VALVE Anweisungen für Installation, Betrieb und Wartung - Seite 5
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NOTICE:
Maintenance
should
technicians only, following the appropriate procedures
and warnings as presented in this manual and the
appropriate
pump
installation,
maintenance instructions.
Failure to set the vehicle emergency
brake and chock wheels before
performing service can cause severe
personal injury or property damage.
Hazardous machinery
can cause serious
personal injury or
property damage.
Failure to disconnect and lockout
electrical power or engine drive before
attempting maintenance can cause
serious personal injury or death
Hazardous
machinery can
cause serious
personal injury.
All fluids pumped must be compatible
with diaphragm material.
Incompatibility can cause fire, serious
personal injury or property damage.
Hazardous fluids can
cause fire, serious
personal injury or
property damage.
AIR VALVE MAINTENANCE
AND INSPECTION SCHEDULES
Valve
Inspection
Assembly Part
Schedule
Vent Plate (6A)
Weekly
Air Valve
Annually
Assembly
3 Years
Diaphragm (9C)
(or less)
MAINTENANCE
be
performed
by
qualified
operation,
Action Required
If leakage is present,
IMMEDIATE valve
service is required.
DO NOT remove grease
from vent hole.
Disassemble, inspect
diaphragms and replace
if cracked or blistered.
REPLACE
and
Hazardous pressure
can cause personal
injury or property
damage.
Hazardous or toxic
fluids can cause
serious injury.
Hazardous pressure
can cause serious
personal injury or
property damage.
AIR VALVE REMOVAL AND DISASSEMBLY
1.
Remove the cap (1) from the air valve assembly.
Remove and discard the cap O-ring (88).
2.
Remove the snap ring (83) and locknuts (2A) from the
adjusting rod. Turn the adjusting bushing (2C)
counterclockwise to reduce spring tension.
3.
Remove the four capscrews (5 & 5C) and lockwashers
(5B).
4.
Carefully remove the air valve assembly, spring (8), and
if necessary, the valve (9).
5.
Remove and discard the gasket (10). Clean gasket
areas.
6.
Remove the two machine head screws (5A), valve plate
(6), diaphragm assembly (9C), and vent plate (6A).
Discard the diaphragm assembly.
7.
Thread the adjusting bushing (2C), CLOCKWISE
completely into the valve cover (4).
201-F00
Page 5/8
Disconnecting fluid or pressure
containment components during pump
operation can cause serious personal
injury, death or major property damage
If pumping hazardous fluids system
must be flushed and decontaminated
prior to performing service or
maintenance.
Failure to relieve system pressure prior
to performing pump service or
maintenance can cause personal injury
or property damage.