Servicing and Maintenance
Air Amplifiers
Revision 11.2011
19
Possible fault
Cause of fault
Fault removal
The air amplifier does not
operate.
Air flows through small boring
on control slide valve
housing.
Control slide valve hangs up..
❑
Clean control slide valve
and sleeve
❑
Check and, if necessary,
replace o-rings and
sleeve.
Lubricate.
The air amplifier does not
operate.
Air escapes through small
boring in bottom cap.
Pilot valve in top or bottom
cap hangs up.
❑
Clean and grease pilot
valve.
❑
If necessary, replace
pilot valve.
Air amplifier operates with
high frequency and short
strokes.
Pilot valve in top or bottom
cap is defective.
❑
Clean and grease pilot
valve.
❑
If necessary, replace
pilot valve.
Seals on air pistons are worn
out.
❑
Change and grease
seals.
Air amplifier does not achieve
the calculated final pressure.
Non-return valves fail.
❑
Check and clean non-
return valves.
❑
If necessary, replace
non-return valves.
Only for MPLV 4
Air amplifier does not achieve
the final pressure.
Leakage in HP seal.
❑
Replace HP seal.
Only for MPLV 4
Air amplifier does not stop.
Primary pressure is too low.
❑
Increase primary
pressure.
5.3
Repair
NOTE
Instructions on repairing the air amplifiers can be found on the Internet at
www.MAXIMATOR.de
.
CAUTION
Repair work must be carried out by qualified specialist personnel.
Ensure absolute cleanliness. Even the smallest impurities may cause serious
damage to precision-machined components.
