Graco Field lazer s100 Betriebsanleitung

3A5053B

Repair

Field Lazer™S100

Displacement Pump

For use with water-based materials

3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure

Model 246426

Series A

Model 17M873

Series B

Important Safety Instructions

Read all warnings and instructions in this manual, related

striping manuals and on the equipment. Be familiar with the

controls and the proper usage of the equipment.

Save these instructions.

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23A5053B

Table of Contents

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Pressure Relief Procedure . . . . . . . . . . . . . . . . . 4

Pump Repair Kits . . . . . . . . . . . . . . . . . . . . . . . . 4

Tools & Materials Needed . . . . . . . . . . . . . . . . . . 4

Cleaning and Inspecting Parts . . . . . . . . . . . . . . 4

Disassemble . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Assemble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Cross-Section Reference . . . . . . . . . . . . . . . . . . 9

Parts - Pump 246426, 17M873 . . . . . . . . . . . . . . . . 10

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 12

Warnings

3A5053B 3

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation

point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these

symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard

symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.

WARNING

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system

component. See Technical Data in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all

equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about

your material, request MSDS from distributor or retailer.

• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.

• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufac-

turer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create

safety hazards.

• Use equipment only for its intended purpose. Call your distributor for information.

• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or flu-

ids containing such solvents.

• Comply with all applicable safety regulations.

MOVING PARTS HAZARD

Moving parts can pinch, cut or amputate fingers and other body parts.

• Keep clear of moving parts.

• Do not operate equipment with protective guards or covers removed.

• Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,

follow the Pressure Relief Procedure and disconnect all power sources.

SKIN INJECTION HAZARD

High-pressure spray is able to inject toxins into the body and cause serious bodily injury. In the event that

injection occurs, get immediate surgical treatment.

• Do not aim the gun at, or spray any person or animal.

• Keep hands and other body parts away from the discharge. For example, do not try to stop leaks with

any part of the body.

• Always use the nozzle tip guard. Do not spray without nozzle tip guard in place.

• Do not leave the unit energized or under pressure while unattended. When the unit is not in use, turn

off the unit and follow the Pressure Relief Procedure for turning off the unit.

• Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.

Service

43A5053B

Service

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Engage trigger lock.

2. Turn ON/OFF switch to OFF.

3. Disengage trigger lock. Hold metal part of gun

against grounded metal pail and trigger gun into pail

to relieve pressure.

4. Engage the trigger lock.

5. Open all fluid drain valves in the system, having a

waste container ready to catch drainage. Leave drain

valve(s) open until you are ready to spray again.

6. If you suspect the spray tip or hose is clogged or

that pressure has not been fully relieved after follow-

ing the steps above, VERY SLOWLY loosen tip

guard retaining nut or hose end coupling to relieve

pressure gradually, then loosen completely. Clear

hose or tip obstruction.

Pump Repair Kits

Tools & Materials Needed

•Vise

• 12 in. adjustable, open-end wrench (2)

• Hammer (20 oz maximum)

• Small screwdriver

• Pick or long small screwdriver

• Throat Seal Liquid

• Medium strength threadlocker

•Grease

• SAE 30W oil

Cleaning and Inspecting Parts

Clean and inspect parts. Pay particular attention to the

ball seats in the intake valve and piston, which must

have no nicks or wear, and to the inside of the cylinder

and the outside of the piston rod, which must not be

worn or scratched. Replace worn or damaged parts.

This equipment stays pressurized until pressure is

manually relieved. To help prevent serious injury from

pressurized fluid, such as skin injection, splashing

fluid and moving parts, follow the Pressure Relief Pro-

cedure when you stop spraying and before cleaning,

checking, or servicing the equipment.

Pump Repair Kit

17M779 17M873

287064 246426

Service

3A5053B 5

Disassemble

1. Remove seal (201), packing nut (202) and o-ring

(228).

2. Unscrew intake valve from cylinder.

3. Disassemble intake valve. Clean and inspect o-ring

(227). NOTE: A pick may be required to remove

o-ring.

4. Tap piston rod out of cylinder with a hammer or flip

over and tap piston rod out against a bench.

ti31047a

201

202

228

ti31048a

215

214

212

213

227

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Service

63A5053B

5. Unscrew piston valve from piston rod. Clean and

inspect parts. The piston has a special thread lock-

ing/sealing patch. Do not remove the patch. The

patch allows four disassembly/assembly procedures

before it is necessary to apply medium strength

threadlocker to the threads.

6. Remove packings and glands from piston rod.

7. Remove throat packings and glands from cylinder.

Discard throat packings and glands.

Assemble

1. Soak all leather packings in SAE 30W oil for 1 hour

minimum prior to assembly. Stack male gland (219)

on piston rod. Alternately stack UHMWPE (208) and

leather (218) packings (note orientation) on piston

rod. Install female gland (209). Install piston wiper

(217) (note orientation) on piston valve, threads are

good for four repackings. Use medium strength

threadlocker on piston valve threads after four

repackings.

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210

217

209

208

218

219

206

222

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Service

3A5053B 7

2. Install ball (206) in piston rod. If threadlocker is

applied to piston valve threads, make sure that none

gets on ball.

3. Tighten piston valve to piston rod. torque piston

valve to 27 ± 3 ft-lb. (37 ± 4.1 N•m).

4. Soak all leather packings in SAE 30W oil for one

hour minimum prior to assembly. Place male gland

(204) in cylinder. Alternately stack UHMWPE (203)

and leather packings (223) (note orientation). Place

female gland (224) on top of cylinder seat packings.

5. O-ring replaces clip ring on older models. Install

o-ring (228) onto packing nut. Loosely install pack-

ing nut into cylinder.

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224

223

ti31055a

223

203

204

201

202

228

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Service

83A5053B

6. Grease piston packings.

7. Grease top inch or two of piston rod that will go

through the cylinder throat packings.

8. Slide piston rod assembly into bottom of cylinder.

Replace o-ring (207) if desired.

9. Reassemble intake valve with new o-ring (227),

seat (212) and ball (214). Seat may be flipped over

and used on other side. Clean seat thoroughly.

10. Install intake valve on cylinder. If a wrench is used

torque to 60 ± 5 ft-lb (81 ± 7 N•m).

NOTICE

Do not slide piston assembly into top of cylinder as this

may damage piston packing.

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ti31058a

215

214

212

213

227

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Service

3A5053B 9

11. Torque packing nut (202) to 75 ± 5 in.-lb (8.5 ± .5

N•m).

12. Remove throat seal (201) when pump packings

begin to leak after extended use. Then tighten pack-

ing nut down until leakage stops or lessens. This

allows approximately 100 gallons of additional oper-

ation before a repacking is required.

Cross-Section Reference

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201

202

228

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222

201

202

228

205

203

204

206

219

208

209

214

213

207

215

214

212

227

218

217

228

223

Parts - Pump 246426, 17M873

10 3A5053B

Parts - Pump 246426, 17M873

Ref. Part Description Qty.

201* 180656 SEAL, throat 1

202 193047 NUT, packing 1

203* 192710 V-PACKING, throat, V-Max,

UHMWPE, blue

204* 176754 GLAND, male, throat 1

205 24X749 CYLINDER, pump 1

206* 105444 BALL, set,0.3125 in. 1

207* 17V093 PACKING, o-ring 1

208* 192712 V-PACKING, piston, V-Max,

UHMWPE, blue

209* 180073 GLAND, female, piston 1

210 243181 VALVE, piston 1

212† 15A968 SEAT, footvalve, carbide 1

213 VALVE, intake (foot)

213a 15B874 Series A 1

213b 15B611 Series B 1

214*† 105445 BALL, set, 0.5000 in. 1

215† 15C011 GUIDE, ball 1

217* 15G234 WIPER, piston 1

218* 176749 V-PACKING, leather, throat 2

219* 195129 GLAND, male, piston 1

222 243174 ROD, piston 1

223* 176755 V-PACKING, leather, throat 2

224* 176757 GLAND, female, throat 1

225 162453 NIPPLE, 1/4 npsm x 1/4 npt 1

227*† 15B112 PACKING, o-ring (0.941 in. OD) 1

228 160516 PACKING, o-ring 1

* – These parts included in pump repair Kit 244194

†– These parts included in inlet valve seat Kit 246429

201

202

228

224

203

223

204

222

213a 213b

227

225

212

214

215

207

205

210

206

217

209

218

208

219

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