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Repair

Replace Throat Packings

Note

The throat packings are available as a

preassembled kit.

Pump Part No.

Throat Seal Repair

Kit

24W152

24V752

24W153

24V753

24W150

24V752

24W151

24V753

1. Relieve the pressure. See

Pressure Relief Procedure, page 8

.

2. See Fig. 2. Unscrew the packing nut (2) using a

pipe wrench. Remove the o-ring (27) and washer

(26) from the bottom of the packing housing (25)

or from the outlet housing (3).

3. Place the flats of the packing nut (2) in a vise.

Unscrew the packing housing (25) and discard it

and the packings. Remove the washer (24), seal

(23), and backup washer (22) from the packing

nut.

4. The throat repair kit is preassembled. Screw the

kit into the packing nut (2), making sure that the

backup washer (22), seal (23), and washer (24)

are properly positioned on top of the packing

housing (25), with the lips of the seal facing

down. Torque the packing housing (25) to 225

±10 ft-lb (305 ± 14 N•m).

5. Before installing packing housing into pump,

generously lubricate seals with high temperature

grease supplied with repair kit.

6. If necessary, use an arbor press to install o-ring

(27) in packing housing (25).

7. Screw the packing nut (2) and packing housing

(25) into the outlet housing (3). Torque to 150 ±

30 ft-lb (203 ± 41 N•m).

Figure 2 Throat Packings

1

Torque to 225 ± 10 ft-lb (305 ± 14 N•m).

2

Torque to 150 ± 30 ft-lb (203 ± 41 N•m).

3

Lips of u-cup packing must face down.

10

334127A

Summary of Contents for 24W150

Page 1: ...ions For professional use only Important Safety Instructions Read all warnings and instructions in this manual and in related system manuals Save these instructions MaximumOperatingTemperature400 F 20...

Page 2: ...4 Parts 16 Technical Speci cations 20 Notes 21 Graco Standard Warranty 22 Models Part Drum Size Seal material 24W152 5 Gallon 20 Liter Carbon Filled PTFE 24W153 5 Gallon 20 Liter Glass Filled PTFE 24W...

Page 3: ...injury that can result in amputation Get immediate surgical treatment Do not point dispensing device at anyone or at any part of the body Do not put your hand over the uid outlet Do not stop or de ec...

Page 4: ...us injury Do not operate the unit when fatigued or under the in uence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system component See Tech...

Page 5: ...tainers and dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye inju...

Page 6: ...Identification Component Identi cation Key A Displacement Pump B Wetcup C Throat Packing D Outlet Housing E Fluid Outlet F Bleed Valve G Cylinder H Intake Housing J Intake Cylinder K Priming Piston 6...

Page 7: ...using using the ground screw X supplied with your system Tighten the ground screw securely Do not operate the equipment without the ground wire in place Air compressor follow manufacturer s recommenda...

Page 8: ...lose all air bleed valves required in your system to shut off the air supply to the pump 3 Unlock the gun valve trigger safety 4 Hold a metal part of the gun valve rmly to the side of a grounded metal...

Page 9: ...thoroughly before servicing Note The priming piston can be serviced without disconnecting the displacement pump from the motor see Replace Priming Piston page 11 1 Flush the pump if possible Stop the...

Page 10: ...rom the packing nut 4 The throat repair kit is preassembled Screw the kit into the packing nut 2 making sure that the backup washer 22 seal 23 and washer 24 are properly positioned on top of the packi...

Page 11: ...8 3 Hold the ats of the priming piston rod 17 with an adjustable wrench and use a second wrench to unscrew the priming piston seat 21 from the rod Slide the priming piston 20 off the rod Inspect the...

Page 12: ...152 253546 24W153 237907 24W150 253546 24W151 237907 1 Relieve the pressure See Pressure Relief Procedure page 8 2 Disconnect the displacement pump See system manual for instructions 3 Place the pump...

Page 13: ...13 onto the cylinder 8 10 Lubricate the priming piston rod 17 then slide the preassembled intake valve V onto the rod making certain that the packing nut 31 goes on the rod rst Push the valve assembl...

Page 14: ...mage by running a nger over the surface Figure 7 4 Remove the seal 6 from the bottom of the cylinder 8 See Fig 7 Shine a light into the cylinder to examine the inside surface for scoring or damage Onl...

Page 15: ...not to create burrs on the ats of the rod Figure 11 10 If the cylinder 8 was removed from the valve housing 13 lubricate the seal 6 and place it on the top of the cylinder The cylinder is symmetrical...

Page 16: ...ft lbs 25 2 7 N m 2 Torque to 390 45 ft lbs 528 61 N m 3 Torque to 150 30 ft lbs 203 40 N m 4 Torque to 60 3 ft lbs 81 4 N m 5 Torque to 97 5 ft lbs 131 7 N m 6 Torque to 225 10 ft lbs 131 13 N m 7 T...

Page 17: ...WASHER seal back up 1 Ref Part Description Qty 23 120286 PACKING u cup assembly 24W152 only 2 113021 PACKING u cup assembly 24W153 only 2 24 195234 WASHER scraper 1 476 x 2 157 1 25 190585 NUT packin...

Page 18: ...t lbs 25 2 7 N m 2 Torque to 390 45 ft lbs 528 61 N m 3 Torque to 150 30 ft lbs 203 40 N m 4 Torque to 60 3 ft lbs 81 4 N m 5 Torque to 97 5 ft lbs 131 7 N m 6 Torque to 225 10 ft lbs 131 13 N m 7 Tor...

Page 19: ...241 SEAT piston 1 22 195233 WASHER seal back up 1 Ref Part Description Qty 23 113021 PACKING u cup 24W151 only 2 120286 PACKING u cup 24W150 only 2 24 195234 WASHER scraper 1 476 x 2 157 1 25 190585 N...

Page 20: ...m pump operating temperature 400 F 200 C Fluid outlet size 1 in npt f Wetted parts Carbon steel chrome zinc nickel plating alloy steel ductile iron uoroelastomer PTFE bronze stainless steel 304 316 44...

Page 21: ...Notes Notes 334127A 21...

Page 22: ...s for lost pro ts lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the d...

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