Gardner Denver L4-5C, Оригинальное руководство пользователя

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13-25-629 v03 Page 68
SYMPTOM POSSIBLE CAUSE REMEDY
3. Minimum pressure valve
stuck closed. 3. Replace valve.
4. Oil separator clogged. 4. Replace.
5. Condensate drain
solenoid valve is faulty. 5. Inspect and replace.
6. Leaks in the compressed
air system. 6. Check for leaks, fix any leaks
found.
7. V-Belts broken. 7. Replace complete set.
8. V-Belts slipping.
8.a
8.b Inspect and clean belt.
Check that motor pivots freely
on bracket shaft.
9 Pressure limits incorrectly
set. 9 Check/correct pressure limits
in the Controller.
10 Aftercooler is frozen 10. Thaw out. This machine
cannot operate in temperatures
below 32

F (0

C).
High discharge air
temperature 1. Dirty or clogged cooler
core or fins. 1. Clean cooler.
2. Insufficient cooling air
flow. 2. Provide unrestricted supply of
cooling air.
3. Clogged oil filter or cooler
(interior). 3. Replace filter or clean cooler.
4. Low compressor oil level. 4. Add oil to proper level.
5. Faulty temperature
sensor. 5. Replace sensor.
6. Thermostatic mixing valve
stuck open. 6. Inspect and/or replace valve.
Excessive oil
consumption 1. Oil carryover through
lines. 1.
See “Oil Carryover”, in this
section.
2. Oil leaks at all fittings and
gaskets. 2. Tighten or replace fittings or
gaskets.
3. Shaft seal leaking. 3.a Inspect scavenge orifice