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Maintenance
The following tables list recommended maintenance procedures and frequencies. The maintenance is divided
between mechanical and electrical tasks. A typical application is a valve mounted on a robot dispensing a
moderately abrasive sealant.
Mechanical
Task
Inspect for leaks
Check hoses for wear*
Check/tighten fluid connections*
Check/tighten air connections*
Lube packings
Rebuild dispense valve
Replace valve
* Assumes movement from automation.
Electrical
Task
Check cables for wear
Verify cable connections
Verify resistance of electric heaters
Verify resistance of RTD sensors
Packing Lubrication
This valve has a primary seal, a pressurized grease
area, and a secondary seal. The key to long seal life is
that the secondary seal only has to seal grease.
When dispensing filled materials this grease should be
refreshed once a month.
309376L
1. Remove one of the zerk grease fittings (23).
2. Using a grease gun, pump a high quality grease like
#115982 (high temperature moisture free) into the
remaining zerk fitting until fresh grease comes out
the other side.
3. Replace the grease fittings and give the valve one
more shot of grease to pressurize the cavity.
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