Test A (Check Valve & Vacuum Reservoir)

TEST A:
TESTING CHECK VALVE (36) AND VACUUM RESERVOIR (37) FOR LEAKS:
1. Release holder of check valve.
2. Disconnect dark red/green vacuum line from check valve (36); also disconnect red/green vacuum line.



3. Connect tester to check valve. Seal off second connection with blind plug.
4. Evacuate with tester and read off pressure gauge. If reading on pressure gauge rises replace check valve.
5. Disconnect red/grey vacuum line at check valve (36) and connect tester (arrow) to vacuum line.
6. Evacuate with tester and read off pressure gauge.



7. If reading on pressure gauge changes, remove reservoir (37) and check for leaks; replace reservoir and/or red/grey vacuum line if necessary.