8.6 - GENERAL
Page 36 of 36
VISUAL
INDICATION
Pressure gauge
on purge side
showing slight
pressure.
Low pressure
on gauge.
High pressure
differential
showing on
gauge
POSSIBLE
CAUSE
Exhaust elements
starting to block
up.
Oil carryover
High pressure
drop.
Pressure drop
across dryer
package
CHECK
Element media blocked
up with water or
desiccant.
Air inlet and compressor
discharge.
Excessive outlet flow.
Inlet filters
Blocked pre filters
Excessive outlet flow
REMEDY
Replace elements
Check dust filter for signs
of desiccant attrition.
Check autodrains on pre
filters.
As above.
If excessive oil usage
desiccant change may be
required.
Check outlet flow from
dryer, regulate if
necessary.
Check and replace if
necessary.
As above, regulate air
flow
Fit F.C.O.
