MAXIMATOR DLE - Drive Side

Troubleshooting
39 0000000141 - 002 - EN
8.1 Drive side
Tab. 8-1 Trouble shooting on the drive side
Fault Cause of fault Solution
The gas booster does not
operate at low air pres-
sure.
Friction of the O-rings on
the spool valve is too
high.
– Relubrication
– Replace the O-rings
on the spool valve.
The gas booster does not
operate at low air pres-
sure.
O-rings will swell if the
wrong oil or lubricant is
used.
– Replace the O-rings
– Use a lubricant ac-
cording to Maxima-
tor specifications.
The gas booster does not
operate.
The control air is not con-
nected.
Connect the control air.
The gas booster does not
operate, or operates
slowly only.
The control air is not
properly pressurised.
The control air pressure
must be equal to or high-
er than p
L
.
The gas booster does not
operate, or operates
slowly only.
Ice has formed on the si-
lencer or spool valve.
Use a dryer to dehumidi-
fy the compressed air.
The gas booster does not
operate, or operates
slowly only.
Formation of residue in
the silencer.
Clean the silencer. Re-
place it if necessary.
The gas booster does not
operate. Air escapes via
the silencer.
The O-rings on the spool
valve are defective.
Replace and lubricate
the O-rings.
The gas booster does not
operate. Air escapes via
the silencer.
The O-ring on the air pis-
ton is defective or worn.
Replace and lubricate
the O-ring.
The gas booster does not
operate. Air escapes via
the small borehole on
the spool valve housing.
The spool valve is
jammed.
– Clean the spool
valve and sleeve.
– Check the O-rings
and sleeves, and re-
place them if neces-
sary.
– Lubrication
The gas booster operates
with high frequency and
short strokes.
The pilot valve in the top
or bottom cap is defec-
tive.
Clean, lubricate and, if
necessary, replace the
pilot valve.