TM 10--3510--221--24
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TF PUMP OUTLET PRESSURE LO
0077 00
THIS WORK PACKAGE COVERS:
Troubleshooting TF Pump Outlet Pressure Lo
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
Power must be applied at main control
enclosure (WP 0010 00).
1. Observe operator panel display.
Does ”PT301 FAILURE” appear?
YES Go to TYPICAL PT FAILURE (WP 0034 00).
NO Go to step 2.
2. Check operation of TF pump.
Is TF pump operating?
YES Go to step 3.
NO Go to TF PUMP DOES NOT TURN ON FAULT (WP 0085 00).
3. Check TF plumbing for class II or III leakage.
Are any leaks found?
YES Repair leaks as necessary. Replenish TF supply (WP 0169 00).
NO Go to step 4.
4. Check for proper positions on all isolation valves (WP 0169 00).
Are isolation valves in proper positions?
YES Go to step 5.
NO Properly position valve(s). Return to normal operation.
5. Check TF level in expansion tank (WP 0169 00).
Is TF level low?
YES Replenish TF supply. Return to normal operation.
NO Go to step 6.
6. Check for water in TF plumbing.
Is any water found?
YES Drain and replenish TF supply. Return to normal operation.
NO Replace TF pump (WP 0266 00).
END OF WORK PACKAGE
