Maintenance instructions
Locating blockage in Series-Flo systems
3HEA 800 970-001 Rev. D, Mars 2006 3-13
Maintenance
Step 3
Action
1. Testing accomplished in step 2 has indicated a blockage is downstream of the master
divider valve.
2. Install the manual pump in the indicator port of the master divider valve that is common
to this blocked area. See Figure 5.
3. Proceed to downstream secondary divider valve and remove all indicator port plugs.
4. Slowly operate the manual pump.
If lubricant can be discharged freely through each of the indicator ports of this divider
valve the blockage is not in the supply line or the divider valve. See step 4.
If lubricant is not freely discharged through the open indicator ports of the secondary
divider valve the blockage is in this divider valve or its supply line.
5. Disconnect supply line at secondary inlet fitting and slowly operate the manual pump
to verify the location.
If the blockage is in the divider valve see step 5.
Locating blockage step 3.wmf
Figure 5 Locating blockage with hand pump
Item Description Item Description
1 Hand pump 4 System pump
2 Master divider valve 5 Lube outlets
3 Secondary divider valve 6 Indicator port, plugs removed
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