Graco Inc 308-084, 4600SC PRO 4600HC Conversion KIT, Installing the PRO 4600HC Conversion Kit

PRO 4600HC CONVERSION KIT

Part No. 237–301

PRO 4600HC Conversion Kit; To convert the PRO 4600SCt spray gun to the PRO 4600HC spray gun. The longer 20 in. (508 mm) fluid tube used by the HC gun provides increased spraying voltage when spray- ing highly conductive fluids. The kit must be ordered separately. It includes items 201 to 204.

Ref.
No.	Part No.	Description	Qty.
201	237–299	COILED TUBE ASSY.	1
202	112–644	NUT; nylon; for 1/4” O.D. tube	1
203	111–285	FERRULE; nylon	1
204	111–286	FERRULE; nylon	1

201

8.Slide the nylon nut (202) and ferrules (203 & 204) onto the coiled tube assembly (201). See Fig. 24 .

9.Install the coiled tube assembly (201) into the fluid fitting and tighten the nut (202). See Fig. 27 . Make sure the entire tube is clear of the actuator arm (D) to avoid having the tube rub against it dur- ing operation.

10.Install the gun onto the manifold. Refer to page 6.

B

A

Fig. 25

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	202
	203
Fig. 24	204
	3933A

Installing the PRO 4600HC Conversion Kit

201

1.	Flush the gun with a compatible solvent.
2.	Relieve system pressure as instructed in the Pres-
	sure Relief Procedure on page 18.
3.	Remove the gun from the manifold as instructed
	on page 18. Remove the gun from the spray area.
4.	Remove the PRO 4600SC gun’s fluid tube, fittings,
	and o-rings (B). See Fig. 25 .
5.	Clean the barrel fluid inlet (A) with compatible sol-
	vent. Inspect the barrel fluid inlet for damage and
	replace if needed.
6.	Slide the coils of the tube assembly (201) over the

Fig. 26

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front of the gun barrel, until it is past the barrel fluid

inlet (A). See Fig. 26 and 27 .

7. Position the coiled tube assembly so its threaded

inlet fitting (C) is aligned with the barrel fluid inlet

(A), then tighten the fitting into the inlet as shown

in Fig. 27 .

A C D 201 202

Fig. 27 04672

308-084￿ ￿ ￿ ￿ ￿ 31