ABB IRBT 4003S Product Manual page 95

Step 3
1. Testing accomplished in step 2 has indicated a blockage is downstream of the master
2. Install the manual pump in the indicator port of the master divider valve that is common
3. Proceed to downstream secondary divider valve and remove all indicator port plugs.
4. Slowly operate the manual pump.
5. Disconnect supply line at secondary inlet fitting and slowly operate the manual pump
Figure 5 Locating blockage with hand pump
Item Description
1
2
3
3HEA 800 970-001 Rev. D, Mars 2006
Action
divider valve.
to this blocked area. See
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.
to verify the location.
If the blockage is in the divider valve see step 5.
Hand pump
Master divider valve
Secondary divider valve
Locating blockage in Series-Flo systems
Figure 5.
Item Description
4 System pump
5 Lube outlets
6 Indicator port, plugs removed
Maintenance instructions
3-13