Graco 308791E Maintenance, Disconnect the Gun and Air Regulator from the Cup, Remove the Cup Lid

Models: 308791E

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Maintenance

Maintenance

Disconnect the Gun and Air Regulator from the Cup

1.Follow the Pressure Relief Procedure Warning on page 4.

2.To disengage the tube grip, push down on the outer ring of the lid elbow fitting (N), then pull the tubing (3) out of the fitting. See Fig. 6.

3.Holding a wrench on the gun fluid inlet fitting, disconnect the pressure cup swivel nut fitting (E).

4.Disconnect the air regulator fitting from the gun air inlet.

5.Clean the gun as instructed in the gun manual.

Disconnect the Gun and Air Regulator from the Cup CAUTION

Do not clean the air regulators in a gun washer as it will damage the regulator diaphragm. Do not use any cleaning method that allows solvent to enter the regulator internally.

Remove the Cup Lid

1.Push the clamp lever (A) fully to the unclamped position, against the yoke (B). See Fig. 6.

2.Twist the cup lid (101) counterclockwise to disen- gage the yoke hook from the cup extended pins

(C).

3.Remove the cup lid (101).

4.Clean the cup lid (101) and cup (103).

1.Follow the Pressure Relief Procedure Warning on page 4. CAUTION

When cleaning the pressure cup lid (101), avoid prolonged exposure of the gasket (102) to solvent as this will cause it to swell.

5.If any fluid is in the lid elbow fitting (N), flush it with solvent but do not soak it in solvent for an extended period.

6.If fluid is in the tubing (3) or check valve (13), replace them. See the parts list for your cup assembly to order parts.

E

NA

101

B

3

102

13

C

103

3668

Fig. 6

6 308791

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Image 6
Graco 308791E Maintenance, Disconnect the Gun and Air Regulator from the Cup, Remove the Cup Lid