Gardner Denver ELECTRA-SAVER Operating And Service Manual page 69

SYMPTOM

POSSIBLE

CAUSE

REMEDY

Compressor is low on

1.

delivery and pressure.

2.

3,

4.

High discharge air

temperature.

Excessive Oil Consumption

1,

2,

3.

4.

5.

1.

2.

Oil Carry-Over

1.

Restricted air filter.

Sticking inlet valve.

Unload pressure adjusted

too low,

Minimum pressure valve

stuck closed.

Thermostatic mixing

valve stuck

open.

Dirty

or

clogged

cooler

face.

Insufficient

cooling

air flow.

Clogged

oil filter

or

cooler

(interior).

Low

compressor

oil.

Oil carryover

through

lines.

Oil leaks

at all fittings

and

gaskets.

Overfilling

the

reservoir.

1.

2.

3.

4.

1.

2.

3.

4.

5.

1.

2.

1.

Clean or replace filter.

Inspect and clean inlet

valve.

Adjust the unload pressure.

See Section 4, page 18.

Disassemble and clean

valve.

Repair or replace valve.

Clean cooler.

Provide unrestricted supply

of cooling air.

Replace filter or clean

cooler.

Add oil to proper level.

See "Oil Carryover", below.

Tighten or replace fittings

or gasket.

Drain excess oil from

system.

~DANGER

Air/oil under pressure will cause severe personal injury or death. Shutdown

com-

pressor, relieve system of all pressure, disconnect,

tag and lockout power supply

to the starter before removing valves, caps, plugs, fittings, bolts, and filters.

2.

3.

4.

5.

6.

Clogged, broken or loose

2.

oil return lines

Ruptured oil separator

3.

element.

Loose assembly.

4.

Foam caused by use of

5.

incorrect oil.

Inoperative minimum

6,

pressure valve.

Tighten or replace faulty

lines.

Replace element.

Tighten all fittings and

gaskets.

Use Gardner Denver@

AEON m 9000 SP

Lubricating Coolant.

Clean out or replace valve.

13-9/10-641

Page 59