Graco 313289s User Interface/Control Box, Remove Shroud, Replace Solenoid Module, Dva Dvb

Repair

User Interface/Control Box

NOTE:

This section covers all components included in the wall power supply control box option and the instrinsically safe pneumatic power supply control box option.

Remove Shroud

1.Close main air shutoff valve on air supply line and on system.

2.Remove shrouds (12, 13) covering control box. Remove four nuts (14) and front shroud (12) first.

13

12

14

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Replace Solenoid Module

Follow this procedure to replace a single solenoid

1.Remove shroud. See Remove Shroud.

2.Disconnect power.

3.Remove four nuts (4); leave two nuts on left side of panel tight. Open front panel of control box (11).

5.Disconnect air tubing from solenoid manifold block (209).

NOTE:

If your sprayer is an intrinsically safe model, you will need to remove the alternator air regulator from the solenoid module. See Replace Alternator Regulator, page 39, for removal instructions.

6. Remove two screws (210).

28313289	210
312359_
r

209

7.Remove and replace solenoid (209).

8.Reassemble screws (210) and solenoid cable con- nectors (242).

NOTE:

From left to right, solenoid functions are as follows:

•Dosing valve A (DVA) (normally open)

•Dosing valve B (DVB) (normally open)

•Pump A (PA) (normally closed)

•Pump B (PA) (normally closed)

11

DVA

4

DVB

PA

PB r_xm1a00_312359_313289_9_3

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4.Disconnect solenoid cable connectors (242) from solenoids.

32 313289S