Troubleshooting; Regular Checks; Diaphragms And Gaskets - Krautzberger MP-400 Operating Instructions Manual

9 T
ROUBLESHOOTING
Defect Cause
Loose/Leaky suction line
Air bubbles in
Damaged gasket
material container
Diaphragm damaged
Foreign body in ball valve, or valve is worn
Air is sucked in
Uneven action of
pump
Suction line blocked
Waste air line blocked
Soiled/Leaking valve ball/valve seat
No working air
Pump does not
start
Pressure regulator defective
Suction filter soiled or suction hose bent
Suction device leaky, air is sucked in
Pump works but
Valve ball/Valve seat soiled
does not build up
any pressure or
Valve blocked
suction power
Valve seat or valve ball worn
O-ring seal damaged
Pressure
fluctuations during
operation
Diaphragm worn
Different running
noise
Please contact our service department for assistance with other queries / problems.
10 R
EGULAR CHECKS
D
URING ALL INSPECTION AND MAINTENANCE WORK
B
EFORE OPENING THE PUMP
C
LEAN PUMP USING DETERGENT
S
HUT OFF COMPRESSED AIR SUPPLY
D
ISSIPATE MATERIAL PRESSURE BY ACTIVATING THE EXTRACTION POINT
Maintenance intervals depend on the coating substance used and the mode of operation. These
intervals cannot therefore be exactly specified and must be determined by the user.

10.1 Diaphragms and gaskets

Diaphragms and gaskets are subject to natural wear and tear. We recommend regular safety
checks and replacement of diaphragms and gaskets. Always change the gaskets with the
.
diaphragms
Remedy
Check/Tighten
Replace
Replace
Check ball valve, replace if
necessary
Check suction device
Check/Clean
Check/Clean
Clean/Replace
Switch on and/or check compressed
air supply
Activate auxiliary actuator (34)
Replace pressure regulator
Clean suction filter/Check suction
hose
Check gasket
Clean valve ball
Foreign body in valve; rinse out
pump
Replace valve seat/valve ball
Replace
Replace
:
9
Dok-236-GB-6bar.doc