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13

307851

Parts (Model 204464)

Ref
No.

Part No.

Description

Qty.

1

220168

AIR VALVE & PISTON ASSY
Includes items 1a–1g

1

1a*

220884

. SCREW, socket hd cap; No. 6–32;
  1” (25 mm) lg; with copper gasket

3

1b*

181485

. SPACER, valve plate

3

1c*

189210

. PISTON, air

1

1d

181487

. PLATE, air intake valve

1

1e*

162729

. PLATE, air exhaust valve

1

1f

108357

. O-RING; fluorocarbon elastomer

1

1g

108358

. O-RING; fluorocarbon elastomer

3

2

203093

FLUID REGULATOR & GAUGE
Includes items 2a–2d

1

2a

202789

. HOUSING, fluid gauge

1

2b

203228

. DAMPENER, pulsation

1

2c

101180

. GAUGE, fluid pressure

1

2d*

154594

. O-RING; nitrile rubber

1

2e*

157127

. GASKET, diaphragm; vellumoid

1

2d

158293

. SCREW, calibration

1

2e*

157127

. GASKET, diaphragm; vellumoid

1

2f

158293

. SCREW, calibration

1

3

219091

TUBE, displacement

1

Ref
No.

Part No.

Description

Qty.

5

204465

CAP, air motor

1

6*

204496

VALVE, restrictor

1

7*

101389

SEAL; leather

1

8

101174

SCREW, fillister hd machine;
no. 8–32 x 1” (25 mm) lg

6

11*

162989

GASKET; neoprene rubber

1

12*

156698

O-RING, nitrile rubber

1

14*

157250

O-RING, nitrile rubber

1

15*

157630

SPRING, compression, tapered

1

16*

157633

SPRING, compression

1

17

157872

WASHER, valve

1

18*

158109

GASKET; rubber

1

20

158879

BASE, air motor

1

21

158896

CYLINDER, air

1

22

161253

BEZEL, shield

1

23

161306

SEAT, restrictor valve

1

25

104029

CLAMP, electric grounding

1

26

104582

WASHER, tab

1

* Recommended Tool Box spare parts. Keep these parts on
hand to reduce down time.

Summary of Contents for 204464 B Series

Page 1: ...or Pump Model 204456 Model 204722 Series C For Pump Models 206780 208177 223776 223777 218555 and 218556 Model 223953 Series A For Pump Model 223954 Instructions Parts List 307851K EN Important Safety...

Page 2: ...his equipment Use only genuine Graco parts and accessories D Check equipment daily Repair or replace worn or damaged parts immediately D Do not exceed the maximum working pressure of the lowest rated...

Page 3: ...rocedure on page 5 to prevent the equipment from starting unexpectedly FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in...

Page 4: ...rate pump manual 2 Air compressor follow manufacturer s recommen dations 3 Fluid hoses use only grounded hoses with a maximum of 500 ft 150 m combined hose length to ensure grounding continuity 4 Spra...

Page 5: ...your pump has a restrictor valve close it also 2 Close the bleed type master air valve required in your system 3 Hold a metal part of the gun valve firmly to the side of a grounded metal pail and tri...

Page 6: ...om the rod refer to the piston detail in Fig 2 Use a pliers D on the air exhaust plate 15e and a wrench C on the piston rod 14 5 Remove the three capscrews 15a and disas semble the piston 15 Clean all...

Page 7: ...e 15c 15f 15b 15g 15d 15a 220168 AIR VALVE AND PISTON ASSEMBLY 15 13 3 12 4 MOTOR CAP AND CYLINDER 6 14 5 7 2 9 PISTON ROD AND BASE 11 15 A B PISTON DETAIL 15e 6 14 C D 0 032 in 0 8 mm minimum 1 2 App...

Page 8: ...r to the piston detail in Fig 3 Use a pliers D on the air exhaust plate 1e and a wrench C on the piston rod 3 5 Remove the three capscrews 1a and disas semble the piston 1 Clean all parts in a compat...

Page 9: ...2 7 PISTON ROD AND BASE MOTOR CAP AND CYLINDER 1 A B 17 3 5 15 11 21 20 1e 1c 1f 1b 1g 1d 1a 220168 AIR VALVE AND PISTON ASSEMBLY 1 PISTON DETAIL 1e 17 3 C D 0 032 in 0 8 mm minimum 22 1 2 Torque to 1...

Page 10: ...s semble and recharge as explained in the following steps 3 To recharge the gauge remove the six screws 8 from the housing 2a Clean and inspect the diaphragm inside the housing 2a If the housing diaph...

Page 11: ...rubber 1 9 161770 BASE air motor 1 10 16J475 HOUSING connecting rod 1 11 16J720 RING connecting 1 12 162989 GASKET neoprene rubber 1 13 204465 CAP air motor 1 14 24J678 ROD piston 1 Ref No Part No Des...

Page 12: ...12 307851 Parts Model 204464 5 15 11 22 21 1e 1c 1b 1d 23 25 26 20 8 17 16 18 3 12 7 6 14 2c PART OF ITEM 2 2b 2e 2a 2d 2f 1 2 1a 1g 1f 1 2 Torque to 10 14 in lb 1 3 1 6 NSm Apply sealant 1 2...

Page 13: ...T diaphragm vellumoid 1 2d 158293 SCREW calibration 1 2e 157127 GASKET diaphragm vellumoid 1 2f 158293 SCREW calibration 1 3 219091 TUBE displacement 1 Ref No Part No Description Qty 5 204465 CAP air...

Page 14: ...a Maximum Inbound Air Pressure 180 psi 1 25 MPa 12 5 bar Air Inlet Size 1 4 npt f Effective Piston Area 1 6 sq in 10 cm2 Effective Piston Diameter 1 4 in 35 2 mm Stroke Length Models 204464 204722 4 i...

Page 15: ...15 307851 Notes...

Page 16: ...s shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNES...

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