4 Maintenance
4--7
F--9999--8 Build 8 Issue 1
FELT
FILTER/MUFFLER
BODY
VANE
SHROUD
END PLATE
GASKET
MUFFLER BOX
END CAP
ASSEMBLY
END CAP
O--RING
Fig. 4-8. Gast Vacuum Pump Model 1023--101Q--G608X
4.1.2.1 Filter Inspection and Replacement
Step: 1. Make sure all power is turned off and all
pressure and vacuum is released from
the unit.
Step: 2. Remove filters and inspect.
Step: 3. Check for rips, tears, cuts, brittleness and
excessive foreign matter.
Replace immediately if any of the above
conditions exist.
If not, precede to the next step.
Step: 4. Clean with compressed air if filter looks
serviceable. Recheck for above
conditions.
Step: 5. Inspect filter/muffler for compacted
debris. Replace immediately if present.
Step: 6. Check o--ring for softness and pliability.
Replace if not.
Step: 7. Remove muffler box and inspect.
Step: 8. Clean out debris.
Step: 9. Check for cracks and tears in gasket.
Replace if necessary.
Step: 10.Reassemble muffler box.
Step: 11. Install filters and end cap.
Flushing
Should excessive dirt, foreign particles, moisture,or
oil be permitted to enter unit, vanes will act
sluggish or even break. Flushing unit should
remove these materials.
Caution -- Do not use kerosene or other
combustible solvents to flush unit. Use only Gast
AH225B flushing solvent or equivalent.
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