C H A P T E R 3
D I R E C T S U P P O R T M A I N T E N A N C E I N S T R U C T I O N S
Direct Support Troubleshooting
Genral Maintenance Procedures
Backwash Pump Assembly Maintenance Procedures
Raw Water Pump Assembly Maintenance Procedures
Distribution Pump Assembly Maintenance Procedures
ROWPU Assembly Maintenance Procedures
Electrical Installation Maintenance Procedures
Section VIII. Booster Pump Assembly Maintenance Procedures
Chemical Feed Metering Pump and R.O. Pump
Assemblies Maintenance Procedures
Multimedia Filter Assembly Maintenance Procedures
Control Box Assembly Maintenance Procedures
Junction Box Assembly Maintenance Procedures
Flatbed Cargo Trailer Maintenance Procedures
S e c t i o n I . D I R E C T S U P P O R T T R O U B L E S H O O T I N G
This section provides the troubleshooting information for the ROWPU at the Direct Support
Maintenance level. It consists of the symptom index, listing the most common malfunction symptoms,
and the troubleshooting table, Table 3-1, which repeats the malfunctions, and provides the procedural
steps and corrective actions necessary to return the system to operational readiness.
3-2. USE OF TABLES.
To use this information in the most effective manner the following general procedure should be
If possible, talk to the operator and/or organizational repairman to find out the symptoms
and any corrective action that may have been taken.
Go to the Symptom Index and find the entry that describes your problem.
Go to the page to which the index sends you.
Read the Warnings, Notes and Cautions.
Perform the steps in the order provided in the table.
When you have found the problem perform the indicated corrective action.