Graco 244197 Manuale operativo

Instructions -- Parts List

Displacement Pump

3600 psi (250 bar, 24.8 MPa) Maximum Working Pressure

309277ZAE

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

Model 244197, Series A

UltraRMax and Ultimate Mxt795 and 1095

GMaxt3900

Model 244224, Series A

Ultra Max and Ultimate Mx 1595

GMax 5900 and 5900 Convertible

Model 244201, Series A

245044, 245046, 245049 Mark Vt

GMax 5900HD

Model 245904 Series A

245047 Mark V International (ceramic balls)

Model 244954, Series A, B, C

HydraMaxt225

Model 244957, Series A, B, C

HydraMax 300/350

Model 245889, Series B

Mark V SpackMaxt

Model 246257, Series A

GMax 7900, GHt200; Models 233940 -- 233943

Model 248971, Series A

GH 200; Models 248559 Series A -- 248567 Series A

EHt200

Model 248736, Series A

248561 Series A, 248563 Series A

GH 230, GH 300

Model 277068, Series A

LineLazertIV 200 HS

Model 287815, Series A

GH 230: Model 248561 Series B

GH 300: Model 248563 Series B

Model 287814 Series A

GH 200: Model 248559 Series B

Model 287946, Series A

Mark X

Model 248101-MMA

Graco® Plural Component 2-pump 1:1 Hydraulic Line Striper by RAE

2 309277

Table of Contents

Warnings 2......................................

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

Technical Data 16................................

Parts, Pump

244197 17.....................................

244224 18.....................................

244201 18.....................................

245904 18.....................................

244954 19.....................................

244957 20.....................................

245889 21.....................................

287946 22.....................................

246257 23.....................................

287815 24.....................................

287814 25.....................................

248736 26.....................................

248971 27.....................................

277068 27.....................................

Warranty 28.....................................

Symbols

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious

injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to

or destruction of equipment if you do not follow the

instructions.

3309277

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

DThis equipment is for professional use only.

DRead all instruction manuals, tags, and labels before operating the equipment.

DUse the equipment only for its intended purpose. If you are uncertain about usage, call your Graco

distributor.

DDo not alter or modify this equipment. Use only genuine Graco parts and accessories.

DDo not exceed the maximum working pressure of the lowest rated system component. Refer to the

Technical Data on page 16 for the maximum working pressure of this equipment.

DUse fluids and solvents compatible with the equipment wetted parts. Refer to the Technical Data

section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.

DDo not use 1,1,1--trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or

fluids containing such solvents in pressurized aluminum equipment. Such use could result in a

chemical reaction, with the possibility of explosion.

DComply with all applicable local, state, and national fire, electrical, and safety regulations.

MOVING PARTS HAZARD

Moving parts can pinch or amputate your fingers.

DKeep clear of all moving parts when starting or operating the pump.

DBefore servicing the equipment, follow the Pressure Relief Procedure on page 4 to prevent the

equipment from starting unexpectedly.

SKIN INJECTION HAZARD

High--pressure fluid from dispense valve, hose leaks, or ruptured components will pierce skin. This

may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgi-

cal treatment.

DDo not point dispense valve at anyone or at any part of the body.

DDo not put your hand over the end of the dispense nozzle.

DDo not stop or deflect leaks with your hand, body, glove, or rag.

Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, check-

ing, or servicing equipment.

4 309277

Service

Pressure Relief Procedure

WARNING

PRESSURIZED EQUIPMENT HAZARD

The system pressure must be manually

relieved to prevent the system from

starting or spraying accidentally. To

reduce the risk of an injury from accidental spray

from the gun, splashing fluid, or moving parts,

follow the Pressure Relief Procedure whenever

you:

Dareinstructedtorelievethepressure,

Dstop spraying,

Dcheck or service any of the system equipment,

Dor install or clean the spray nozzle.

1. Engage gun safety latch.

2. Turn ON/OFF switch to OFF.

3. Unplug power cord.

4. Disengage gun safety latch. Hold metal part of gun

against grounded metal pail and trigger gun into

pail to relieve pressure.

5. Engage gun safety latch.

6. Open any fluid drain valves in system. Leave drain

valve open until ready to dispense again.

Pump Repair Kits

Pump Repair Kit

244197 248212

244224 248213

244201 248213

244954 246341

244957 244958

245889 245819

245904 244200

246257 246341

248736 246341

248971 246341

277068 246341

287814 287813

287815 287813

287946 287945

Tools Needed

Vise

12 in. adjustable, open end wrench (2)

Hammer, 20 oz maximum

Small screwdriver

Throat Seal Liquid

Pick or long small screwdriver

Cleaning and Inspecting Parts

1. 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 sleeve and the outside of the piston rod, which

must not be worn or scratched. Replace worn or

damaged parts.

WARNING

COMPONENT RUPTURE HAZARD

Never use sharp or pointed tools to

remove sleeve or other components

which could result in pump rupture and

cause serious bodily injury. If the sleeve cannot be

removed easily, return the sleeve and cylinder to

your Graco distributor for removal.

2. Remove and clean the sleeve when you are

repacking the pump.

5309277

Service

Repair When Pump Is Off The Sprayer

Disassembling the pump

Fig. 1. Remove packing nut (202) and throat adjust-

ment spacer (228).

Fig. 1

228

ti2332a

202

Fig. 2. Unscrew intake valve from cylinder.

Fig. 2 7569A

Fig. 3. Disassemble intake valve. Clean and inspect.

O-ring (227) may require a pick for removal.

Fig. 3

(o-ring on

top 244957

only)

(o-ring on

bottom

all except

244957)

245889,

287946(optional)

215

236

240

241

227

287946 Standard

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

flip over and tap piston rod out against a bench.

Fig. 4 7571a

Note: Sleeve may come out

of cylinder with piston rod.

Fig. 5. Remove piston rod from sleeve, or remove

sleeve from cylinder.

Fig. 5 7572A

6 309277

Service

WARNING

COMPONENT RUPTURE HAZARD

Do not clean or wipe the piston valve

threads. Cleaning the piston valve

threads could destroy the special sealing

patch and cause the piston valve to come loose

during operation, causing pump bursting and

possible serious bodily injury.

Fig. 6. Unscrew piston valve from piston rod. Clean

and inspect parts. The piston has a special thread

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

patch allows four disassembly/assembly procedures

before it is necessary to apply Loctiterto the threads.

Fig. 6 7576A

Fig. 7. Remove packings and glands from piston rod.

Fig. 7

Not

used on

244197

used on

245889,

287946,

287814,

287815

ti3940a

Fig. 8. Remove throat packings and glands from cylin-

der. Discard throat packings and glands.

Fig. 8 7573B

Not

used on

244197

Assembling the pump

Fig. 9. Soak all leather packings in SAE 30W oil for 1

hour minimum prior to assembly. Stack male gland

(204) on piston rod. Alternately stack UHMWPE (208)

and leather (218) packings (note orientation) on piston

rod. Install female gland (217). Install piston guide

(216) (note orientation) on piston valve (210). The spe-

cial sealing patch on piston valve threads is good for

four repackings. Use Loctiteron piston valve threads

after four repackings.

Fig. 9

216

218 208

204

217

210

Not

used on

244197

244954, 246257, 245889; 208 and 218 are 203

and 223, respectively. 287946; 208 and 218 are

203 and 209, respectively.

Note: Pump 287814 & 287815 do not use leather

packings in piston stack. Alternately stack blue

(208) and brown (218) packings on these pumps.

1 1

7574c

used on

245889,

287946,

287814,

287815

7309277

Service

Fig. 10. Install ball (206) in piston rod. If Loctiteris ap-

plied to piston valve threads, ensure that none gets on

ball.

Fig. 10

206

7575A

Fig. 11. Tighten piston valve to piston rod as specified:

Fig. 11

Torque to 27 +/--3 ft-lb

(244197)

Torque to 55 +/--3 ft-lb

(244224, 244201,

287814, 287815)

Torque to 190 +/-- 10 ft--lb

(244957)

Torque to 120 +/-- 6 ft-lb

(244954, 246257, 245889,

287946, 277068, 248736,

248971)

7576A

Fig. 12. Soak all leather packings in SAE 30W oil for 1

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) in top of cylinder. Seat packings.

7573B

Fig. 12

223

224

203

204

Not

used on

244197

Fig. 13. Install seal (201) into packing nut (202). Install

throat adjustment spacer (228) onto packing nut.

Loosely install packing nut into cylinder.

Fig. 13

201

202

228

ti2333a

8 309277

Service

Fig. 14. Grease piston packings and sleeve top edge.

Fig. 14 7578A

Fig. 15. Carefully slide piston assembly into top of

sleeve.

Fig. 15 7577A

Fig. 16. Grease top inch or two of piston rod that will

go through the cylinder throat packings.

7579A

Fig. 16

Fig. 17. Grease o-ring (221) and place on sleeve. Slide

sleeve/piston rod assembly into bottom of cylinder. Re-

place o-ring (207) if desired.

Note: O-ring (207) is not required for safe pump opera-

tion.

Fig. 17 7582A

221

207

9309277

Service

Fig. 18. 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.

Snap intake spring (236) into place inside ball guide

(215).

Spring (236), for model 287946, is optional and not

included with the pump.

Fig. 18

215

236

240

241

227

287946 Standard

214

215

212

214

215

(o-ring on

top 244957

only)

(o-ring on

bottom

all except

244957)

245889,

287946(optional)

Fig. 19. Install intake valve on cylinder. If a wrench is

used torque as follows:

67 +/--5 ft-lb (model 244197)

80 +/--5 ft--lb (models 244201, 244224, 245904)

200 +/--10 ft--lb (models 244954, 246257, 245889,

287946, 277068, 248736, 248971)

200 +/--15 ft--lb (model 244957, 287814, 287815)

If a wrench is not used, be sure intake valve is bot-

tomed out against cylinder.

Fig. 19 7569A

Fig. 20. Torque seal and packing nut (202) down onto

throat adjustment spacer (228) to 100 +/--10 in-lb (75

+/--5 in-lb for 246257) (140+/--10 in--lb for 287814,

287815).

Remove throat adjustment spacer (228) when pump

packings begin to leak after much use. Then tighten

packing nut down until leakage stops or lessens. This

allows approximately 100 gallons of additional opera-

tion before a repacking is required.

Fig. 20

202

228

ti2332a

10 309277

Service

Repair When Pump Is On The Sprayer

WARNING

IN INJECTION HAZARD

To reduce the risk of serious injury,

whenever you are instructed to relieve

pressure, follow the Pressure Relief

Procedure on page 4.

Fig. 1. Remove intake valve.

Fig. 1 7673A

Fig. 2. Use screwdriver to push retaining spring up and

push pin out.

Fig. 2

7674A

Fig. 3. Disassemble intake valve. Clean and inspect.

O-ring (227) may require a pick for removal.

Fig. 3 7570

227

(o-ring on top

244957

only)

(o-ring on

bottom

all except

244957)

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