Replace Fan Assembly. Graco 3A5379B, Electric Supply System for Sealants and Adhesives

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Replace Fan Assembly. Graco 3A5379B, Electric Supply System for Sealants and Adhesives | Manualzz

Replace Fan Assembly

WLE

GS

1. Perform the Pressure Relief Procedure , page 14.

2. Disconnect the unit from the power source.

3. Remove two screws (53) and remove the junction box cover (BA) from the driver to gain access to the disconnect block (BD). See F IG . 19.

4. Loosen screws for 1L1 and 5L3 and gently remove the wires from each location.

F IG . 21: Grounding Screw

7. Loosen the fan cord grip (C1) attached to the driver and pull out the fan wires.

Repair

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F IG . 20: Remove Wires

5. Use a wire cutter to cut ferrule tips from the fan wires and motor power wires close to the ferrules.

NOTE: Do not cut the tip off of the ground wire.

See F IG . 20.

6. Remove the grounding screw (GS) and disconnect the green grounding wire coming out of the fan cord grip (C1) attached to the driver (not the junction box).

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F IG . 22: Remove Fan Wires

8. Remove the screws that attach the fan assembly to the driver and pull up on the end farthest from the junction box. Slide the assembly toward the junction box to remove.

F IG . 23: Fan Assembly Removal

3A5379B 25

Repair

9. Install the new fan assembly. To reattach the fan assembly, slide the cover into the slots for tabs located on the junction box side, and gently push down the far end. Apply thread locker and use the supplied fasteners and washers. Torque to 15 - 20 ft-lb (20 - 27 N•m).

C1

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F IG . 24: Fan Assembly Installation

10. Route the wires through the fan cord grip (C1) attached to the driver (not the junction box (BC)).

11. Reattach the ground wire to the grounding screw.

Tighten the ground screw. See F IG . 21.

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12. Use a ferrule to connect each fan wire to one of the two wires coming out of the motor grommet. Then attach one wire set into the disconnect box location

1L1, and the other wire into location 5L3. See F IG .

21.

13. Gently tuck the wires back into the junction box (BC) around the disconnect block (BD) and reinstall the junction box cover (BA). Replace the two screws

(53) and washers, then tighten. See F IG . 19, page

24.

NOTICE

If wires get pinched when the screws are tightened, damage will occur. Make sure all wires are routed correctly before installation.

14. Tighten cord grip attached directly to driver assem bly.

3A5379B

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