SchraderAir SA315240H346, Руководство по эксплуатации и техническому обслуживанию

Страница: 7 / 14

TROUBLESHOOTING
(continued)
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
9. Air blowing our of inlet 1. Broken first stage inlet valve. 1. Replace valve assembly.
10. Insufficient pressure at point of use. 1. Leaks or restriction. 1. Check for leaks, restriction, or
piping. Repair problem.
2. Restricted air intake. 2. Clean or replace air filter
element.
3. Slipping belts. 3. Tighten belts. See Maintenance
Section.
4. Service hose too small. 4. Replace with larger hose.
5. Excessive air requirement. 5. Limit air requirement to
compressor capacity.
11. Receiver does not hold pressure 1. Faulty check valve. 1. Bleed Tank! Disassemble check
when compressor is unloaded. valve assembly, clean or
replace faulty parts. DANGER -
DO NOT DISASSEMBLE CHECK
VALVE WITH AIR IN TANK.
NOTE - CHECK VALVE IS
ALWAYS THE FIRST VALVE IN
THE LINE LEADING FROM THE
TANK TO THE COMPRESSOR.
12. Excessive belt wear. 1. Pulley out of alignment. 1. Realign motor pulley with
compressor flywheel.
2. Belts too tight. 2. Adjust tension. See Maintenance
Section.
3. Belts too loose. 3. Adjust tension. See Maintenance
Section.
4. Pulley or flywheel wobble. 4. Check for worn crankshaft,
keyway or pulley bore, resulting
from running with loose pulleys.
Check for bent crankshaft.
5. Nick in belt grove of pulley or 5. File smooth.
flywheel.
13. Excessive discharge air 1. Dirty cooling surfaces. 1. Clean cooling surfaces of cylinder,
temperature. intercooler and discharge tube.
2. Poor ventilation. 2. Improve ventilation or relocate
compressor. See Installation.
3. Blown head gasket. 3. Replace head gasket.
4. Restricted air intake 4. Clean or replace air filter element.
5. Worn valves. 5. Repair or replace valves.
14. Receiver pressure builds 1. Dirty air filter. 1. Clean or replace filter element.
up slowly. 2. Blown cylinder head gasket. 2. Install new gasket.
3. Worn or broken low pressure 3. Install new head gasket.
intake or discharge valves.
4. Air leaks. 4. Tighten joints.
5. Loose belts. 5. Tighten belts. See Maintenance
Section.
6. Speed too slow. 6. Check speed.
7