Repair; Repairing The Main Air Regulator - Graco EcoQuip EQ200T Operation, Repair, And Parts

Repair

Repair Repair
Repairing the the Main Main Air
Repairing Repairing the Main
See Common Spare Parts, page 47
1. Perform Pressure Relief Procedure, page 8
2. Make sure all of the air pressure is relieved in the
unit. If necessary, remove the air filter for access
to the air regulator.
3. Remove the piston cover.
NOTE: There is a spring inside this cover.
NOTE: NOTE:
334666C
Air Regulator Regulator
Air Regulator
for repair kits.
.
4. Remove the diaphragm cover for access to the
diaphragm and to the end of the piston shaft.
EQ200
5. Remove the diaphragm and inspect for any
cracks or tears. Replace the diaphragm if
necessary.
6. Carefully remove the spring and piston assembly,
then clean out any debris in the body of the
regulator.
EQ200 EQ200 Models EQ200 Models only: Models only: Make sure the wire mesh is only:
free of debris.
7. Inspect the piston and its seal for any foreign
matter that may have been the cause for the
piston to stay open.
8. Inspect for any damage to the piston shaft where
it interacts with the diaphragm cup. Replace
components with excessive wear.
Repair
EQ400
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