Graco PRO Xs4 AA manual Repair

Repair

CAUTION

To avoid damaging the seat housing and gun barrel, never over-tighten the seat housing. Over-tightening may result in improper fluid shut-off.

5.Trigger the gun and install the gray-colored seat housing (2). Tighten until snug, then 1/4 turn more.

CAUTION

To avoid damaging the tip guard (4), orientate the air cap (9a) before tightening the retaining ring (27). Do not turn the cap when the retaining ring is tight.

6.Assemble the spray tip (3), air cap (9a), and tip guard (4). Make sure the electrode (9b) is not dam- aged or missing. Install the air cap assembly with the retaining ring (27). The u-cup (27a) lips must face forward.

7.Test gun resistance, page 19.

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