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PARTS DRAWING

HOW TO ORDER REPLACEMENT PARTS

1. To be sure you receive the correct replacement parts, kits or

accessories, always give all of the information requested in the
chart below.

2. Check the parts list to identify the correct part number; do not

use the ref. no. when ordering.

3. Order all parts from your nearest Graco distributor.

6 digit

Part

Number

Qty

Part Description

Model H.E.L.P. 1600B

Automatic Bleeder Air Spray Gun

24

9

10*

11

8

18

14

6

4b

13

15

12*

1

7

5

4

2

3

17

4a

19

20

21

4c

(label)

16*

PARTS LIST

REF 
NO.

PART NO.

DESCRIPTION

QTY

1

599–599

NEEDLE, fluid

1

2

187–271

FLUID NOZZLE; 0.032” (0.8 mm);

See ACCESSORIES for other sizes 

1

3

110–864

AIR CAP

1

4

223–282

GUN BODY
Includes items 4a & 4b

1

4a

106–786

FITTING, fluid; includes gasket
& washer

1

4b

106–690

FITTING, air

1

4c

185–771

LABEL, instruction

1

5

107–824

VALVE, fan adjusting

1

6

107–818

KNOB, fluid adjusting valve

1

7

107–817

SPRING, compression, needle

1

8

107–825

GUIDE, fluid needle

1

9

106–781

NUT, packing, needle

2

REF 
NO.

PART NO.

DESCRIPTION

QTY

10*

106–885

KIT, packing, fluid needle; 
(2) leather, (2) PTFE 

                   1

11

107–821

SPRING, compression, air valve

1

12*

187–550

PISTON

1

13

107–822

PACKING, u-cup; buna-n

1

14

107–819

SPRING, compression, fluid adj.

1

15

107–828

O-RING; buna-n

1

16*

107–829

KIT, packing, needle; leather

1

17

107–823

SCREW SET

1

18

107–826

RING, retaining

1

19

100–172

BALL

1

20

BRUSH

1

21

110–765

WRENCH

1

24

106–780

SHIELD, tube

1

*Recommended “tool box” replacement parts.

Summary of Contents for H.E.L.P. 1600B

Page 1: ...es sure the gun was designed to operate safely under The Maximum Operating Air Pressure is the maximum inlet air pressure allowable to guarantee HVLP compliance If input pressures are maintained at or...

Page 2: ...em Fluid Compatibility BE SURE all fluids and solvents used are chemically compatible with the Wetted Parts shown in the TECH NICAL DATA on the back cover Always read the fluid and solvent manufacture...

Page 3: ...w regulations The Typical Installation shown above is only a guide for selecting and installing the equipment needed for an au tomatic spray system It is not an actual system design For assistance in...

Page 4: ...hen check the viscos ity of your fluid This gun is best suited for light to medium fluids Light Fluid 19 to 24 seconds No 2 Zahn cup Auto Furniture Appliances Fine Finish Metallics Top Coats Lacquer E...

Page 5: ...achieved Always use the low est possible atomizing air pressure to obtain the de sired results To Operate the Gun Adjust the system s sensing device so the gun starts spraying just before meeting the...

Page 6: ...th a fine bristled brush provided with the gun 4 To clean out air cap holes use a soft implement such as a toothpick to avoid damaging critical surfaces Clean the air cap and fluid nozzle daily minimu...

Page 7: ...clogged end Damaged fluid nozzle or air cap holes Replace damaged part Fluid build up on the perimeter of fluid Remove obstruction Never use wire nozzle orifice or partially clogged fluid or hard ins...

Page 8: ...ocedure Warning on page 6 to relieve fluid pressure 2 Unscrew and remove the fluid needle guide 8 3 Carefully pull the fluid needle 1 out of the piston 12 4 Unscrew the packing nuts 9 and remove the p...

Page 9: ...replacing CYL air fitting 4b not shown here see Parts Drawing apply Loctite PST Pipe Sealant or equivalent PACKING DETAIL 10 PACKING DETAIL 16 0898 0900 Lubricate periodically with light grease DIMENS...

Page 10: ...ES for other sizes 1 3 110 864 AIR CAP 1 4 223 282 GUN BODY Includes items 4a 4b 1 4a 106 786 FITTING fluid includes gasket washer 1 4b 106 690 FITTING air 1 4c 185 771 LABEL instruction 1 5 107 824 V...

Page 11: ...ONNECTOR elbow 1 8 npt m 1 2d 104 192 COUPLING pipe 1 8 npt f 1 2e 102 730 GAUGE 0 to 15 psi 0 to 1 bar pressure range 1 AIR FILTER MOISTURE SEPARATOR 250 psi 17 5 bar MAXIMUM WORKING PRESSURE For cle...

Page 12: ...ment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed...

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