Graco 220-726 Instructions And Parts List Download Page 31 | Manualshive

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PARTS DRAWING – SPRAYER WITH LO-BOY CART

Model 220–726, Series C
Basic Sprayer with Lo-Boy Cart

SEE DETAIL BELOW

DANGER LABEL
ENGLISH

DANGER LABEL,
FRENCH

DETAIL A

123b

99

100

123a

Ref 7

123

7

27

37

55f

55e

55

55b

55c

4

3

3

52

10

112

58

38

126

127

120

34

34

33

33
36

35

19

123c

54

53

18

20

119

119

125

14

29

120

121

124

23

23e

23d

23b

23g

ID LABEL

7

Ref 52

84

95

46

Ref 125

117

116

115

118

47

40

92

LABEL

41

32

1

50

0661

13

55a

55d

47b

47a

25

45

«
...
29
30
31
32
33
...
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Summary of Contents for 220-726

Page 1: ...ever stop leaks with any part of the body Drain all pressure before removing parts Avoid accidental trig gering of gun by always setting safety latch when not spraying Never spray without a tip guard In case of accidental skin injection seek immediate Surgical Treatment Failure to follow this warning can result in amputation or serious injury FIRE AND EXPLOSION HAZARD SKIN INJECTION HAZARD READ AN...

Page 2: ...uid in jection when the tip is not installed Check the diffuser operation regularly Follow the PRESSURE RELIEF PROCEDURE be low then remove the spray tip Aim the gun into a metal pail hold ing the gun firmly to the pail Using the lowest possible pressure trigger the gun If the fluid emitted is not diffused into an irregular stream replace the diffuser immediately Tip Guard ALWAYS have the tip guar...

Page 3: ...ctrical resistance of your fluid hoses at least once a week If your hose does not have a tag on it which specifies the maximum electrical resistance con tact the hose supplier or manufacturer for the maximum resis tance limits Use a resistance meter in the appropriate range for your hose to check the resistance If the resistance exceeds the recommended limits replace it immediately An ungrounded o...

Page 4: ...ement Diffuseur Le diffuseur du pistolet sert à diviser le jet et à réduire les risques d injection accidentelle quand l ajutage n est pas en place Véri fier le fonctionnement du diffuseur régulièrement Pour cette vé rification détendre la pression en observant la Marche à Suivre Pour Détendre la Pression donnée plus loin enlever l ajutage du pulvérisateur Pointer le pistolet dans un seau en métal...

Page 5: ...c une mise à la terre incorrecte peut entraîner des risques pour votre système Lisez aussi LES RISQUES D INCENDIE OU D EXPLOSION RISQUES D INCENDIE OU D EXPLOSION De l électricité statique est produite par le passage du fluide à grande vitesse dans la pompe et dans les tuyaux Si toutes les pièces de l appareil de pulvérisation ne sont pas convenable ment reliées ou à la masse ou à la terre des éti...

Page 6: ...stola inoperante El no hacerlo puede llevar al disparo imprevisto de la pistola Difusor El difusor de la pistola dispersa el chorro pulverizado y reduce el riesgo de inyección cuando no está instalada la boquilla Revi sar con regularidad el funcionamiento del difusor Seguir el pro cedimiento de descarga de presión dado más abajo y después sacar la boquilla Apuntar la pistola a un balde metáli co s...

Page 7: ...a sin puesta a tierra o con la puesta a tierra en malas condiciones Leer también la información sobre RIES GO DE INCENDIO O EXPLOSION más abajo PELIGRO DE INCENDIO O EXPLOSION El flujo a alta velocidad del fluido al pasar por la bomba y man guera crea electricidad estática Si todas las partes del equipo pulverizador no tienen buena tierra pueden ocurrir chispas con virtiéndo al sistema en algo pel...

Page 8: ...heck the electrical service a Be sure the electrical service is 120 V 60 HzAC 15 Amp minimum and that the outlet you use is properly grounded b DO NOT remove the grounding prong of the plug and do not use an adapter c Use a grounded extension cord which has 3 wires having a minimum 12 gauge size and a maximum length of 200 ft 61 m Longer lengths or smaller gauges will affect sprayer performance Pr...

Page 9: ... 1 Engage the trigger safety latch 2 Turn the ON OFF switch to OFF 3 Unplug the power supply cord 4 Disengage the trigger safety latch Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun to relieve pressure 5 Engage the trigger safety latch 6 Open the pressure drain valve having a container ready to catch the drainage Leave the pressure drain valve open unt...

Page 10: ... flows freely from the gun Release the trigger and engage the trig ger safety latch NOTE If the pump is hard to prime open the pressure drain valve When fluid comes through the drain tube close the drain valve Disengage the trigger safety latch and repeat Step 1 f g Check all fluid connections for leaks relieve pres sure before tightening connections Fig 10 1 MAINTAIN FIRM METAL TO METAL CONTACT B...

Page 11: ...gger safety latch immedi ately then follow the procedure in Steps 4a to 4e below NEVER wipe off buildup around the spray tip until pressure is fully relieved and the trigger safety latch is engaged WARNING a Clean the front of the tip frequently during opera tion First the relieve pressure see page 9 Then use a solvent soaked brush to clean the tip and to reduce fluid build up and tip clogging b I...

Page 12: ...of pressure stalling or serious sprayer damage Always use mineral spirits for the final flush relieve pressure and leave the mineral spirits in the sprayer CAUTION 4 For very short shutoff periods leave the suction tube in the paint relieve the pressure and clean the spray tip 5 Coil the hose and hang it on the cart s hose rack when storing it even for overnight to help protect the hose from kinki...

Page 13: ...hanging Colors Flush with a compatible solvent such as mineral spirits or water 3 Changing from water base to oil base paint Flush with warm soapy water then mineral spirits 4 Changing from oil base to water base paint Flush with mineral spirits followed by warm soapy water and then a clean water flush 5 Storage Water base paint Flush with water and then mineral spirits Leave the pump hose and gun...

Page 14: ... until clean solvent comes from the nozzle Release the trigger and en gage the trigger safety latch 7 Check all fluid connections for leaks If any connec tions leak first relieve the pressure Tighten the con nections Start the sprayer Recheck the connections for leaks 8 Remove the suction tube from the pail Disengage the trigger safety latch Trigger the gun to force solvent from the hose Do not ru...

Page 15: ...of the pattern de pends on the fan pattern of the tip you choose Do not try to increase coverage by increasing the fluid pressure Using the lowest pressure necessary to get the desired paint atomization will help prolong the life of your sprayer and minimize paint lost by overspray Fig 15 3 0673 For interior corners aim the gun toward the center of the corner to be sprayed By dividing the spray pa...

Page 16: ... relieve pressure al low motor to cool clear motor air passages of dirt and overspray decrease pressure Pressure setting too low Increase pressure Pressure control frozen2 or damaged by over pressurization3 Try to thaw or replace pressure control Electric motor stops while spraying Power cord or extension cord un plugged or damaged or building circuit or fuse is blown Check reset or replace Motor ...

Page 17: ...e Use minimum 50 ft 15 2 m static free nylon hose wire braid hose is unacceptable Paint runs or sags Spray tip too big or worn Change the spray tip Spitting from gun Air in fluid pump or hose Check for loose connections at pump intake and tighten Then prime the pump See page 10 Tip partially clogged Clear the tip See page 11 Fluid supply is low or empty Refill and prime the pump See page 10 Check ...

Page 18: ...age to the pump connecting rod or bearing housing WARNING 3 Screw the pump further into the drive housing 55 un til it stops at the locknut 112 Unscrew the pump just until the nipple 10 faces straight back 4 Torque the locknut 112 to 70 ft lb 95 N m 5 Reassemble the remaining parts in the reverse order of removal Disassembly See Fig 19 1 except where noted 1 Remove and disassemble the intake valve...

Page 19: ... ROD TO 19 ft lb 25 N m 223 DO NOT ALLOW THIS NUT TO MOVE RELATIVE TO THE PISTON 224 WHEN INSTALLING PISTON ONTO ROD 0083 4 Torque the nut 214 against the rod 223 to 19 ft lb 25 N m Use two wrenches to maintain the align ment as mentioned in the NOTE above See Fig 19 3 5 Stack these parts one at a time into the top of the cyl inder 216 male gland 211 alternate the polyeth ylene and leather v packi...

Page 20: ... worn or damaged 7 Clean and inspect the crankshaft B Wipe the crank shaft clean with a rag don t use solvent If the crank shaft is badly worn replace the drive assembly 55 See page 21 To extend the service life of the connecting rod bearing lubricate it properly After every 100 hours of operation or whenever servicing the pump whichever comes first fill the cavity E in the con necting rod 54 with...

Page 21: ...d bearing assembly C off the crankshaft D 3 Remove the screws 55d and 55f and pull the drive housing A off the motor housing B 4 Remove the screws 55c and pull the motor housing B off the motor 23 5 Clean the gear 37 and inspect it for wear or damage Replace if necessary To remove drive out the pin 27 and pull the gear off the motor shaft E Apply molybdenum disulfide spray lubricant to the gear al...

Page 22: ... 22 1 6 Remove the motor mounting screws 7 Lift the mo tor and carefully guide the wires through the pressure control connector 303 Remove the conduit 1 from wires See Fig 22 2 CAUTION Pull the motor leads through the conduit one at a time to avoid loosening the terminals 7 Loosen the locknut and unscrew the connector 13 from the motor Do not twist the wires See Fig 22 1 8 Install the new motor in...

Page 23: ... 23 1 4 Remove the screws 7 See Fig 23 2 5 Pull the pressure control 50 away from the conduit 1 and carefully guide the leads through the connec tor 303 one at a time See Fig 23 1 6 Remove the mounting bracket 40 Remove the fit tings 302 312 and 313 Remove the fluid filter 47 Install these parts on the new pressure control See Fig 23 2 Pressure Control Installation 7 Guide the motor leads into the...

Page 24: ...ays follow this procedure when you shut off the sprayer when checking adjusting or cleaning the system and when changing spray tips 1 Engage the gun safety latch 2 Turn the ON OFF switch to OFF 3 Unplug the power supply cord 4 Disengage the gun safety latch Hold a metal part of the gun firmly to the side of a grounded metal pail and trigger the gun 5 Engage the gun safety latch 6 Open the fluid pr...

Page 25: ...higher than 2500 psi 172 bar Unplug the sprayer Relieve pressure Insert the wrench and tighten the pressure adjustment nut 1 8 turn or less and repeat steps 5 and 6 Repeat this pro cedure until the proper stall pressure is obtained 7 Now check to see at what pressure the sprayer starts to run again after it stalls Plug in the sprayer turn it on close the needle valve and set the pressure at maximu...

Page 26: ...EL caution 1 308 100 072 NUT hex mscr 6 32 2 309 103 181 LOCKWASHER No 6 2 310 107 070 SCREW mach flat hd 6 32 x 5 8 2 311 178 797 LABEL warning 1 312 100 840 ELBOW street 1 4 npt f x m 1 313 157 350 ADAPTER 3 8 npt x 1 4 npt 1 314 218 916 TRIAC 1 315 105 659 BOOT switch 1 316 105 679 TOGGLE switch 1 Extra warning labels available at no cost NOTE A new pressure control 50 does not include items 30...

Page 27: ...ball sst 1 216 177 929 CYLINDER alloy steel 1 217 176 882 V PACKING polyethylene 3 218 176 997 V PACKING polyethylene 3 219 180 161 WASHER backup aluminum 1 220 180 073 GLAND female plated steel 1 221 176 758 NUT packing wet cup 1 222 215 455 VALVE intake 1 223 181 879 ROD piston alloy steel 1 224 218 197 VALVE piston 1 Also included in Repair Kit 222 587 sold separately Keep a kit on hand to redu...

Page 28: ...22 198 PRESSURE DRAIN VALVE Includes item 45 1 47 214 570 FLUID FILTER Includes items 47a and 47b see 307 273 for additional parts 1 47a 100 040 PLUG pipe 1 4 npt 1 47b 162 453 NIPPLE 1 4 npsm x 1 4 npt 1 50 215 860 PRESSURE CONTROL ASSEM BLY see parts on page 26 1 52 223 766 HOSE nylon 1 4 ID cpld 1 4 npsm fbe 29 737 mm long spring guard one end 1 53 215 903 BEARING ASSEMBLY 1 54 215 904 CONNECTI...

Page 29: ...ER LABEL FRENCH DETAIL A 27 37 55f 55e 35 19 54 53 23 23g 110 125 114 29 14 55d 55a 34 34 36 33 33 10 52 58 38 7 119a 100 99 100 97 3 4 4 3 1 23b 7 23e 113 119 55c 55b 23d 20 18 55 SEE DETAIL BELOW 118 Ref 7 84 95 46 45 Ref 125 47b 117 40 32 50 Ref 1 41 92 WARNING LABEL 47 Ref 52 Ref 52 ID LABEL 115 116 47a 112 13 0662 25 ...

Page 30: ... 45 1 47 214 570 FLUID FILTER Includes items 47a and 47b see 307 273 for additional parts 1 47a 100 040 PLUG pipe 1 4 1 47b 162 453 NIPPLE 1 4 npsm x 1 4 npt 1 50 215 860 PRESSURE CONTROL ASSEM BLY see parts on page 26 1 52 223 767 HOSE nylon 1 4 ID cpld 1 4 npsm fbe 21 3 4 552 mm spring guard one end 1 53 215 903 BEARING ASSEMBLY 1 54 215 904 CONNECTING ROD ASSEMBLY 1 55 215 905 DRIVE ASSEMBLY in...

Page 31: ...BEL ENGLISH DANGER LABEL FRENCH DETAIL A 123b 99 100 123a Ref 7 123 7 27 37 55f 55e 55 55b 55c 4 3 3 52 10 112 58 38 126 127 120 34 34 33 33 36 35 19 123c 54 53 18 20 119 119 125 14 29 120 121 124 23 23e 23d 23b 23g ID LABEL 7 Ref 52 84 95 46 Ref 125 117 116 115 118 47 40 92 LABEL 41 32 1 50 0661 13 55a 55d 47b 47a 25 45 ...

Page 32: ...ty 200 220 956 GUN Flex airless spray see 307 633 for parts 1 201 223 541 HOSE spray cpld 1 4 npsm fbe swivel 1 4 ID nylon 50 ft 15 m spring guard both ends 1 202 214 701 HOSE whip end cpld 1 4 npt m x 1 4 npsm f swivel 29 740 mm long spring guard one end 1 203 220 726 LO BOY SPRAYER See parts on page 30 1 204 231 001 UPRIGHT SPRAYER See parts on page 28 1 205 220 955 GUN contractor airless see 30...

Page 33: ...tion pages 18 19 and 27 and adding Accessories page 33 Part number changes are listed below by the assembly changed OLD and NEW parts are interchangeable ADDED and DELETED parts are not Numbers in paren theses indicate a quantity added or deleted Model 223 001 only Upright Sprayer Part Status Ref No Part No Name Add 2 100 176 884 Washer Add Add Add 110 111 114 178 341 186 495 178 342 Clip Tube Cli...

Page 34: ...Wetted Parts Displacement Pump Carbon Steel Polyurethane Polyethylene Delrin Leather Filter Aluminum Carbon Steel Stainless Steel NOTE Delrin is a registered trademark of the DuPont Co DIMENSIONS Model 231 001 Upright cart without hoses or gun Model 220 726 With lo boy cart without hoses or gun Weight dry 70 lb 32 Kg Weight dry 70 lb 32 Kg Height 41 in 1041 mm Height 20 in 508 mm Length 20 5 in 52...

Page 35: ... NOTES ...

Page 36: ...the equipment claimed to be defective to an authorized Graco distributor for verification of the claim If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reason...

Page 37: ...micron reusable stainless steel screen Fluid Filter Outlet Size 1 4 npsm m Fluid Filter Material aluminum stainless steel carbon steel 60 mesh 250 micron reusable SST screen Spray Hose Requirements grounded 50 ft 15 m minimum non wire braid spring guards on both ends Pump Material carbon steel polyurethane Delrin Pump Packing Material UHMWPE leather Application Sprays stains lacquers oil base or l...

Page 38: ...tor 7 110 155 Same Motor Fan 8 185 952 Same Danger Label 9 218 906 220 678 Cart 10 215 860 Same Pressure Control 11 214 570 Same Fluid Filter 12 222 198 Same Pressure Drain Valve 13 108 982 Same Connector Tube 14 223 766 223 767 Hose 15 218 215 Same Displacement Pump 15a 176 758 Same Packing Nut Wet Cup 15b 177 929 Same Cylinder 15c 181 879 Same Piston Rod 15d 218 197 Same Piston Valve 15e 215 455...

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