ABB IRBT 4003S Product Manual page 96

Maintenance instructions
Locating blockage in Series-Flo systems
Step 4
1. Install a manual pump into each indicator port of secondary divider valve in turn, and
2. If high pressure exists, blockage has been located.
3. Correct as necessary.
Figure 6 Locating blockage secondary divider valve
Item Description
1
2
3
4
3-14
Action
slowly operate the pump. See
Look for: crushed line, tight bearing, improperly drilled fittings and/or lube inlet
port.
System pump
Master divider valve
Lube outlets
Indicator port, plugs removed
Figure 6.
Item Description
5 Hand pump
6 Secondary divider valve
7 Bearing
3HEA 800 970-001 Rev. D, Mars 2006