Section IV. REMARKS
Direct support repair is limited to welding and removal of gauges and dents.
Vent valves are welded in place; repair by replacing valve parts that are malfunctioning.
Prior to mounting the cover on the pump casing, evenly spread adhesive, chesterton type
860, over the surfaces.
If repair requires replacement of the casing on cover, they must be procured as a matched
Secure the bearing housing sealing surfaces with Ermetite.
Secure the lock pin with sealing compound (Loctite).
To replace the ball bearing, heat on an electric plate at a temperature of approximately 100°C.
Secure the setscrews with sealing compound (Loctite).
Each time mechanical seal is replaced or disassembled. replace the packing.
After replacing new impeller, balance the shaft and impeller with balancing machine.
When replacing the original impeller, balancing is not required.
To assemble, heat the impeller wear ring at a temperature of approximately 350°C.
Before reassembling the shaft, check the concentricity of the working points.
After replacing shaft. balance the shaft and impeller with balancing machine.
Crew inspection limited to the visual check for damaged or loose parts.
Not procurable as an assembly. Replacement is reserved for component parts only.
Organizational maintenance is limited to the replacement of external components.
Direct maintenance is limited to the repair of the heat exchanger.
Tanks and core to be repaired by direct support maintenance.
Crew limited to the inspection of external components.
Core to be repaired by direct support maintenance.
Straightening a major repair to be accomplished by general support maintenance.
Direct support limited to the replacement of the shaft oil seals.
Starter and alternator tests may be performed at both unit and direct support maintenance
Removal of flexible coupling is authorized at unit level only for preparation for shipment.