Graco Merkur ES Instructions Manual page 20

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Repair
NOTE: Air Valve Seal Kits are available. See page 39.
Parts are marked with an †.
Air Valve Repair Kits are available. See page 39. Parts
are marked with an ◆.
Air Valve End Cap Kits are available. See page 39. Parts
are marked with an ✚.
Disassemble the Air Valve
1. Perform steps 1-3 under Replace Complete Air
Valve, page 19.
2. See F
. 12. Use a 2 mm or 5/64 hex key to remove
IG
two screws (309†◆). Remove the valve plate
(305◆), cup (312◆), and spring (311◆).
20
311
312
305
309†
F
. 12. Air Plate Removal
IG
3. See F
. 13. Remove the snap ring (310✚) from
IG
each end. Use the piston to push the end caps
(307✚) out of the ends. Remove end cap o-rings
(306†✚◆).
4. Remove the piston (302◆). Remove the u-cup seals
(308†◆) from each end and the detent assembly
(303◆) and detent cam (304◆) from the center.
ti16284a
3A0732U

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