Repair
30 313289W
User Interface/Control Box
NOTE: This section covers all components included in
the wall power supply control box option and the
intrinsically 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.
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).
4. Disconnect solenoid cable connectors (242) from
solenoids.
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 37, for removal instructions.
6. Remove two screws (210).
7. Remove and replace solenoid (209).
8. Reassemble screws (210) and solenoid cable
connectors (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)
WLE
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