Sherwin-Williams ULTIMATE NOVA 1000 Service Manual download pdf (Page 24)

parts or electric shock. Unplug the sprayer1

CAUTION

The most common cause of a bridge failure is a

faulty motor. Check the motor before replacing

the bridge to prevent damaging the new bridge.

6. Make sure the bridge is flush with the side of the box

and tighten the screws securely.

7. Connect all wires. Carefully route the wires.

CAUTION

1. Remove the pressure control cover and screws.

2. Disconnect all wires from the bridge 068) at the ap-

propriate terminals.

Be sure the flat blade of the insulated male con-

nector is centered in the wrap-around blade of the

female connector when the connections are

made. Improper connections may cause the

sprayer to malfunction.

3. Outside the pressure control box on the right side are

two screws (331). Loosen, but don’t remove the

screw near the back of the control box. Then loosen

and remove the front screw. Slide the bridge out.

4. Slide the new bridge (368) into the box being sure

the lockwasher (333) on the rear screw (331) is IN

FRONT of the bridge. Refer to the Detail in Fig 14.

5. Install the front screw, lockwasher and nut (332).

Route all wires carefully to avoid interference with

the movement of the bourdon tube or circuit

board or control box cover, which could cause a

malfunction.

8. Reinstall the pressure control cover and screws.

BRIDGE INSTALLATION DETAIL

Fig 14

1. Remove the pressure control cover and screws.

2. Use a small screwdriver to slide the terminal adapter

off the circuit breaker terminal.

3. Disconnect the single black wire from the circuit

breaker KJCW to the ON/OFF switch 063).

4. Use a 5/8” socket wrench to loosen the nut and boot

(310) on the circuit breaker button.

5. Push down on the top of the circuit breaker and pull

it out of the box.

6. Install the new circuit breaker in the reverse order of

disassembly.

7. Reinstall the pressure control cover and screws.

Tighten the circuit breaker nut firmly to prevent

the circuit breaker from turning.

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Sherwin-Williams ULTIMATE NOVA 1000 Service Manual Page 24

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