Phenomenon Noted; Condition Of The Machine's Seals; Damaged Instrument Seals; Bumper Pad - ATEQ D520 User Manual

1. PHENOMENON NOTED

If a test machine begins to detect too many bad parts (statistically, more than three
consecutively), it is advisable to carry out a check on the whole unit. The quality of the
manufacture and operation of the leak detector should be the last things considered.
1.1. C
ONDITION OF THE MACHINE
This is the no.1 defect as the seals are subject to high levels of dirt contamination
(alumina, shavings). Regular cleaning of the seals is an effective remedy.
1.2. D
AMAGED INSTRUMENT SEALS
There is a possibility that the seals may be cut by shavings or worn by repetitive
squashing. This can be prevented by regular servicing and replacement of the seals.
1.3. B
UMPER PAD
This is a defect which may occur after a certain amount of time as the bumper pads
may be worn, or if the pressure settings in the air cylinder are inadvertently disturbed.
Check the stability of the measurement and that the bumper pads are correctly installed.
1.4. P
NEUMATIC
The link and reference pipes will age and break with time. The pipes and seals must
conform to the required quality. ATEQ recommends the use of RILSAN PA11 pipes and
AVS type joints.
UM-22100H-U
Chapter 7 – In the event of operational problems
Chapter 7
OPERATIONAL PROBLEMS
'
S SEALS
L
INK
User manual ATEQ D520 Page 113/122