Graco Inc 253472, 311283D, 249617, 253471, 249318 User Manual

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Repair

GH833 Sprayers

311283D

 

Korean patent: 10-0647761

ENG

- Use with Architectural Coatings, Paints, Roof Coatings and Below Grade Coatings -

4000 psi (27.6 MPa, 275.8 bar) Maximum Working Pressure

Important Safety Instructions. Read all warnings and instructions in this manual. Save these instructions.

Model: 249318, 249617, 253471, 253472

Related Manuals

311279

311484

311485

311254

ti7107b

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Copyright 2006, Graco Inc. is registered to I.S. EN ISO 9001

Warning

Warning

The following are general warning related to the safe setup, use, grounding, maintenance and repair of this equipment. Additional, more specific warnings may be found throughout the body of this manual where applicable. Symbols appearing in the body of the manual refer to these general warnings. When these symbols appear throughout the manual, refer back to these pages for a description of the specific hazard.

WARNING

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion:

Use equipment only in well ventilated area.

• Do not fill fuel tank while engine is running or hot; shut off engine and let it cool. Fuel is flammable and can ignite or explode if spilled on hot surface.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop cloths (potential static arc).

Keep work area free of debris, including solvent, rags and gasoline.

Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes are present.

Ground all equipment in the work area. See Grounding instructions.

Use only grounded hoses.

Hold gun firmly to side of grounded pail when triggering into pail.

If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment until you identify and correct the problem.

Keep a working fire extinguisher in the work area.

SKIN INJECTION HAZARD

High-pressurefluid from gun, 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 surgical treatment.

• Do not point gun at anyone or at any part of the body.

Do not put your hand over the spray tip.

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

Do not spray without tip guard and trigger guard installed.

Engage trigger lock when not spraying.

Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury.

Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.

Tighten all fluid connections before operating the equipment.

Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.

RECOIL HAZARD

Brace yourself; gun may recoil when triggered and cause you to fall, which could cause serious injury.

2

311283D

Warning

WARNING

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

Do not operate the unit when fatigued or under the influence of drugs or alcohol.

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 forms from distributor or retailer.

Check equipment daily. Repair or replace worn or damaged parts immediately with genuine Manufacturer’s replacement parts only.

Do not alter or modify equipment.

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

Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

Do not kink or over bend hoses or use hoses to pull equipment.

Keep children and animals away from work area.

Comply with all applicable safety regulations.

MOVING PARTS HAZARD

Moving parts can pinch 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 in this manual. Disconnect power or air supply.

PRESSURIZED ALUMINUM PARTS HAZARD

Do not use 1,1,1-trichloroethane,methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use can cause serious chemical reaction and equipment rupture, and result in death, serious injury, and property damage.

SUCTION HAZARD

Never place hands near the pump fluid inlet when pump is operating or pressurized. Powerful suction could cause serious injury.

CARBON MONOXIDE HAZARD

Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Breathing carbon monoxide can cause death. Do not operate in an enclosed area.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed.

Read MSDS’s to know the specific hazards of the fluids you are using.

Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

BURN HAZARD

Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns, do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely.

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or when in the operating area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic fumes, burns, and hearing loss. This equipment includes but is not limited to:

Protective eyewear

Clothing and respirator as recommended by the fluid and solvent manufacturer

Gloves

Hearing protection

311283D

3

Component Identification

Component Identification

,

2

1

8

 

 

11

3

4

9

 

ti7107b

ti7133

 

 

10

6

 

ti7133b

 

 

5

7

 

Ref Description

1Hydraulic pump valve

2Pressure control

3Lock ring

4Drain valve

5Engine ON/OFF switch

6Engine controls

7Trigger lock

8Serial number ID label

9Lift locations

10Suction holder

11Hydraulic oil fill

4

311283D

Operation

Pressure Relief Procedure

System pressure must be manually relieved to prevent it from starting or spraying accidentally. Fluid under high pressure can be injected into the skin and cause serious injury. To reduce risk of injury from injection, follow this procedure whenever you are instructed to relieve pressure, stop spraying, service equipment or install or clean spray tip. Read warnings, page 4.

1 Set pump valve OFF. Turn engine OFF.

TI A

2Turn pressure to lowest setting. Trigger gun into pail to relieve pressure.

Operation

General Repair Information

Hydraulic system and engine may become very hot during operation and could burn skin if touched. Flammable materials spilled on hot, bare motor could cause fire or explosion. Have belt guard in place during operation to reduce risk of pinching or loss of fingers.

Install belt guard before operation of sprayer and replace if damaged. Belt guard reduces risk of pinching and loss of fingers.

To reduce risk of serious injury,:

Keep all screws, nuts, washers, etc. removed during repair procedures. These parts usually are not provided with replacement kits.

Test repairs after problems are corrected.

If sprayer does not operate properly, review repair procedure to verify you did it correctly. See Troubleshooting, page7.

Do not touch moving parts with fingers or tools while testing repair.

3 Open prime valve (vertical).

If you suspect that the spray tip or hose is completely clogged, or that pressure has not been fully relieved after following the steps above, VERY SLOWLY, loosen tip guard retaining nut or hose end coupling to relieve pressure gradually, then loosen completely. Then clean tip and hose.

Grounding

Ground sprayer with grounding clamp to earth ground for safe sprayer operation.

311283D

5

Maintenance

For detailed engine maintenance and specifications, refer to separate Honda Engines Owner’s Manual, supplied.

Maintenance

Spark Plug:

Use BPR6ES (NGK) or W20EPR-U(NIPPONDENSO) plug, only.

Gap plug to 0.028 to 0.031 in. (0.7 to 0.8 mm).

Use spark plug wrench when installing and removing plug.

Frequency

Procedure

 

 

 

 

Daily

Check engine oil level and fill as necessary.

 

 

Daily

Check hydraulic oil level and fill as necessary.

 

 

Daily

Check hose for wear and damage.

 

 

Daily

Check gun safety for proper operation.

 

 

Daily

Check pressure drain valve for proper operation.

 

 

Daily

Check and fill gas tank.

 

 

Daily

Check that displacement pump is tight.

 

 

Daily

Check level of TSL in displacement pump packing nut. Fill nut, if neces-

 

sary. Keep TSL in nut to help prevent fluid build up on piston rod and

 

premature wear of packings and pump corrosion.

 

 

After first 20 hours

Drain engine oil and refill with clean oil. Reference Honda Engines

of operation

Owner’s Manual for correct oil viscosity.

 

 

Weekly

Remove engine air filter cover and clean element. Replace element, if

 

necessary. If operating in an unusually dusty environment; check filter

 

daily and replace, if necessary.

 

Replacement elements can be purchased from your local Honda dealer.

 

 

Weekly/Daily

Remove and debris or media from hydraulic rod.

 

 

After each 100

Change engine oil. Reference Honda Engines Owner’s Manual for cor-

hours of operation

rect oil viscosity.

 

 

Semi-annually

Check belt wear; replace if necessary.

 

 

Yearly or 2000

Replace hydraulic oil and filter element with Graco ISO 46 Hydraulic Oil

hours

169236; 5 gallon/20 liter or 207428; 1 gallon/3.8 liter) and filter element

 

287871.

 

 

6

311283D

 

 

Troubleshooting

 

Troubleshooting

 

 

 

 

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

Gas engine pulls hard (won't start)

Hydraulic pressure is too high

Turn hydraulic pressure knob coun-

 

 

terclockwise to lowest setting

 

 

 

Gas engine does not start

Switch OFF, low oil, no gasoline

Consult engine manual, supplied

 

 

 

Gas engine doesn't work properly

Faulty engine

Consult engine manual, supplied

 

 

 

Gas engine operates, but displace-

Pump valve is OFF

Set pump valve ON

ment pump doesn't operate

 

 

Pressure setting too low

Increase pressure

 

 

 

 

 

Displacement pump outlet filter (if

Clean the filter

 

used) is dirty or clogged

 

 

 

 

 

Tip or tip filter (if used) is clogged

Remove tip and/or filter and clean

 

 

 

 

Hydraulic fluid too low

Shut off sprayer. Add fluid*.

 

 

 

 

Belt worn, broken or off

Replace belt.

 

 

 

 

Hydraulic pump worn or damaged

Bring sprayer to Graco distributor for

 

 

repair

 

 

 

 

Dried paint seized paint pump rod

Service pump. See manual 311485

 

 

 

 

Hydraulic motor not shifting

Set pump valve OFF. Turn pressure

 

 

down. Turn engine OFF. Pry rod up or

 

 

down until hydraulic motor shifts.

 

 

 

Displacement pump operates, but

Piston ball check not seating properly

Service piston ball check. See man-

output is low on upstroke

 

ual 311485

 

 

 

 

Piston packings worn or damaged

Replace packings. See manual

 

 

311485

 

 

 

Displacement pump operates but

Piston packings worn or damaged

Tighten packing nut or replace pack-

output is low on downstroke and/or

 

ings. See manual 311485

on both strokes

 

 

Intake valve ball check not seating

Service intake valve ball check. See

 

 

properly

manual 311485

 

 

 

 

Suction tube air leak

 

 

 

 

Paint leaks and runs over side of wet-

Loose wet-cup

Tighten wet-cupenough to stop leak-

cup

 

age

 

 

 

 

Throat packings worn or damaged

Replace packings. See manual

 

 

311485

 

 

 

Excessive leakage around hydraulic

Piston rod seal worn or damaged

Replace these parts.

motor piston rod wiper

 

 

 

 

 

Fluid delivery is low

Pressure setting too low

Increase pressure

 

 

 

 

Displacement pump outlet filter (if

Clean filter

 

used) is dirty or clogged

 

 

 

 

 

Intake line to pump inlet is not tight

Tighten

 

 

 

 

Hydraulic motor is worn or damaged

Bring sprayer to Graco distributor for

 

 

repair

 

 

 

 

Large pressure drop in fluid hose

Use larger diameter or shorter hose

 

 

 

311283D

7

 

 

Troubleshooting

 

 

 

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

The sprayer overheats

Paint buildup on hydraulic compo-

Clean

 

nents

 

 

 

 

 

Oil level is low

Fill with oil.

 

 

 

Spitting from gun

Air in fluid pump or hose

Check for loose connections on

 

 

siphon assembly, tighten, then rep-

 

 

rime pump.

 

 

 

 

Loose intake suction

Tighten.

 

 

 

 

Fluid supply is low or empty

Refill supply container.

 

 

 

Excessive hydraulic pump noise

Low hydraulic fluid level

Turn sprayer OFF. Add fluid*.

 

 

 

*Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid, page 6.

 

 

 

8

311283D

Displacement Pump Replacement

Displacement Pump Replacement

See manual 311485 for pump repair instructions.

5. Remove clip (121).

Removal

1.Flush pump (36). Stop pump on down stroke if possible.

121

2.Relieve pressure, page 5.

3.Remove suction set (147) from pump (36).

36

ti7789

6. Slide cover up (124).

124

147

ti7816

7. Separate coupling (125) and remove.

4. Remove filter housing (110), page 15.

125

110

ti7119

ti7814

 

311283D

9

8.Loosen jam nut (122) with a hammer. Unscrew pump (36) from power head.

Displacement Pump Replacement

3.Hand tighten jam nut (122). Then tighten securely 1/8 to 1/4 turn with hammer or torque to 330 ft-lb(447.4 N•m).

122

36

ti7782

9. Remove pump (36).

36

ti7804

Installation

1.Screw jam nut (122) to bottom of pump threads (36).

2.Slide cover (124) up over pump rod. Screw pump completely up into power head.

122

36

ti7779

122

ti7817

4.Slide cover (124) up over pump rod. With engine in OFF position, pull recoil starter to move rod until it contacts pump rod.

5.Install coupling (125) around pump rod.

125

ti7771

6. Slide cover (124) over coupling (125).

124

ti7815

125

10

311283D

Displacement Pump Replacement

7. Install clip pin (121) to secure.

8. Install filter housing (110), page 15.

 

110

121125

ti7809

ti7772

9. Connect suction hose (147) to pump outlet (36).

36

147

311283D

11

Pump Power Head Replacement

Pump Power Head Replacement

Removal

1.Relieve pressure, page 5.

2.Remove hydraulic lines (100, 101) from head (75).

4. Remove power head from unit.

100

101

75

ti7847

Installation

1. Install power head on unit.

ti7803

3.Loosen (4) mounting bolts (7) on the adapter enough to lift and remove assembly.

ti7851

7

ti7841

12

311283D

Pump Power Head Replacement

2.Tighten power head bolts (7). Torque bolts to 400 + 10in-lb(45+ 1 N•m).

ti7853

3.Attach hoses (100, 101) to head (75). Torque to 450 + 10in-lb(50.84 N•m).

101

100

75

ti7777

4.To purge air from hydraulic lines, increase pressure enough to start hydraulic motor stroking and allow fluid to circulate for 15 seconds.Turn pressure down. Turn prime valve horizontal (closed).

311283D

13

Hydraulic Motor

Hydraulic Motor

1

450 in-lb(51 N.m)

2

600 in-lb(68 N.m)

3

60 in-lb(7 N.m)

4930 in-lb(105 N.m) Torqued in 3 steps

2

4

3

1

ti7868

14

311283D

Filter Housing Replacement

Filter Housing Replacement

Installation

1. Install filter housing (110) in pump opening.

Removal

1.Relieve pressure, page 5.

2.Remove paint and drain lines from filter housing.

110

ti7772

2. Tighten fitting.

ti7845

3.Loosen filter housing fitting (110) until housing and remove housing from pump.

3. Attach paint and drain lines.

ti7850

ti7119

Torque to 225 + 10in-lb.(25.4+ 1.1 N.m)

110

311283D

15

Hydraulic Pump Replacement

Hydraulic Pump Replacement

Changing Hydraulic Oil

Draining Oil

a.Place drain pan under oil tank and drain plug.

b.Unscrew reservoir (64) drain plug and drain oil from reservoir.

drain plug

ti7784

Refilling Oil

a.Replace drain plug.

b.Fill tank with Graco Hydraulic Oil, ISO 46. Tank holds approximately 4 gallons.

Removal

1.Relieve pressure, page 5. Allow hydraulic system to cool before beginning the service procedure.

2.Drain oil, Changing Hydraulic Oilprocedure, page 16.

3.Remove screw (197) and pump handle cover (196). Remove four cover bolts (79) and cover (140). (It is not necessary to remove the hydraulic lines before removing cover. The cover is designed to provide ample room for the cover to fit over the hose.)

196

79

197

 

140

ti7805b

4.Unscrew suction line connections to hydraulic pump. Place a container under hoses to catch any dripping oil.

ti7790

ti7801

16

311283D

5.Remove (4) belt cover screws (79), washers (78) and grommets (80) (2 each side).

80

78

79

67

ti7796

6.Remove belt cover (67).

67

ti7795

Hydraulic Pump Replacement

7.Remove belt (19), page 20.

8.Loosen set-screws(87) on front of large pulley (4).

4

87

ti7783

9. Remove pulley (4) from hydraulic pump shaft.

4

ti7807

10.Remove nuts (10) and screws (9) holding pump to frame.

9

10

ti7788

311283D

17

11. Remove hydraulic pump (3).

3

ti7800

12.Remove fittings (30, 34, 35) from pump (3) and set aside to use on the new pump.

34

(

3

35

ti7816

30

Installation

1.Install fittings (30, 34, 35) from old pump on new pump. Torque fitting 30 and 35 to 600 + 10in-lb(67.8 N.m). Torque fitting 34 to 450in-lb(50.8 N.m).

34

3

35

Hydraulic Pump Replacement

2.Install new pump (3) in frame.

3.Install screws (9) and nuts (10). Torque to 225 + 10in-lb(25.42 N.m).

3

9

10

ti7778

4. Replace large pulley (4) on hydraulic pump shaft.

4

ti7813

5.Align pulley (4) on shaft. When properly positioned approximately 1/8 inch of shaft (139) will protrude.

1/8 inch

30ti7816

139

 

 

4

 

NOTE: Fill pump casing with hyraulic oil before installing

 

 

 

fitting (34).

 

 

 

 

ti7835

18

311283D

6.Replace set-screws(87). Tighten and torque to 60+ 2in-lb(6.8+ 0.2 N•m).

NOTE: Tighten set-screwon shaft before tighteningset-screwon pump shaft.

7.Position belt (19) over pulleys (4, 6); Installing Belt, page 20.

8.Replace belt cover (67) and grommets (80), washers (78) and screws (79), (2 each side). Torque screws to 25-30in-lb(2.8-3.4N•m).

67

80

78

ti7810

79

Hydraulic Pump Replacement

9.Install suction lines. Tighten fittings. Torque fitting A to 225 + 10in-lb(25.4+ 1.1 N.m). Fitting B to 450+10in-lb(50.1+ 1.1. N.m). Fitting C to 225in-lb(25.4 N.m).

A

B

ti7767

C

ti7889

10.Install cover (140) and with four screws (79). Torque to 25-30in-lb(2.8 - 3.4 N•m). Install pump handle cover (196) with screw (197).

197

196

79

140

ti7812

ti7111b

11.Fill oil tank following Refilling Oil procedure on page16.

311283D

19

Belt Removal and Replacement (recommended method)

Removing Belt

a. Place a ziptie around belt (19).

19

ziptie

ti7843

Moving parts can pinch or amputate fingers and other body parts. To avoid serious injury be sure engine is in OFF position before pulling engine recoil.

b.Slowly pull ziptie toward you while at the same time slowly pulling engine recoil to rotate pulleys. It may be necessary to reposition zip tie and repeat this procedure a few times to completely remove belt from pulley.

ti7842

Hydraulic Pump Replacement

Installing Belt

a.Put belt over lower pulley (6) and align correctly.

b.Line up belt over top left side of large pulley (4).

ti7869

c.With the palm of your hand, hold the belt snug to large pulley while at the same time slowly pull engine recoil to rotate pulleys.

d.Check belt (19) alignment on both large (4) and small pulley (6). When properly positioned over pulleys, belt is centered on pulleys and completely over all grooves.

ti7834

Properly Aligned

ti7837

Not Aligned Properly

 

NOTE: If belt is not aligned properly, to adjust belt, slowly pull engine recoil while at the same time pushing or pulling belt to reposition over pulley.

20

311283D

Alternate Belt Removal and Installation

Removing Belt

a.Loosen engine bolts (21) to relieve tension on belt.

b.Slide belt off pulleys.

Installing Belt

a.Install belt (19) over small (6) and large (4) pulleys.

19

21

Hydraulic Pump Replacement

b.Tighten engine bolts (21). Torque to 225 + 10in-lb(25.4+ 1.1 N.m).

c.Check belt (19) alignment on both large (4) and small pulley (6). When properly positioned over pulleys, belt should be centered on pulleys and completely over all grooves.

ti7834

ti7837

Properly Aligned

Not Aligned Properly

 

NOTE: If belt is not aligned properly, to adjust belt, slowly pull engine recoil while at the same time pushing or pulling belt to reposition over pulley.

4

6

ti7870

311283D

21

Replacing Oil Reservoir

Removal

1.Relieve pressure, page 5.

2.Drain oil from reservoir (64) following Draining Oil procedure, page 16. Keep plug for use on new reservoir.

Drain Plug

ti 7784

3.Remove fill cap (27) and filter assembly (111). Keep for use on new reservoir.

111

27

ti7785

7. Remove cooler line from reservoir (64).

Hydraulic Pump Replacement

4. Loosen and remove suction hose (153).

32

153

ti7785

5.Remove and keep suction fitting (32) for use on new reservoir.

6.Loosen and remove return lines (100, 101).

100

101

ti7803

22

311283D

ti7791

8.Remove (2) top bolts (86) and 2 bottom nuts (84) securing reservoir (64) to frame.

ti7846

ti7786

Hydraulic Pump Replacement

9. Lift reservoir (64) out of frame.

64

ti7806

Installation

1.Install plug (102), return elbow (31), suction fitting (32), inlet screen (89) and filter assembly (111) in new reservoir (64).

111

27

31

89

102

32

311283D

23

2. Install new reservoir (64) in frame.

64

Hydraulic Pump Replacement

5.Reattach return lines (100, 101). Torque to 450 + 10in-lb(51+ 1.1 N•m).

100

101

ti7781

3.Replace bolts (86) and nuts (84). Tighten bolts. Torque to 125 + 10in-lb14+ 1.1 N•m).

4.Connect coolant line to reservoir (64). Torque to 225 in-lb(14.1 N.m).

ti7766

ti7777

6.Reattach suction hose (153). Toque to 600 + 10in-lb(68+ 1.1 N•m).

153

ti7785

24

311283D

Hydraulic Pump Replacement

7.Verify drain plug has been replaced. Fill oil reservoir with oil to high mark on dip stick (approximately 3.5 gallons).

ti7784

Drain Plug

8. Replace cap (27).

27

ti7785

311283D

25

Changing Hydraulic Fluid Filter

Changing Hydraulic Fluid Filter

Removal

1.Relieve pressure, page 5.

2.Loosen and remove hose (101) from fitting (103).

3.Remove filter housing (111) from reservoir (64).

4.Remove bottom filer cap (155) from housing (111).

5.Pull filter (108) off cap (155).

Installation

1.Install new o-ring(113) from kit.

2.Install new filter (108) over cap (155).

3.Install cap (155) and filter (108) in filter housing (111). Hand tighten cap till snug. Then torque to 375 + 10in-lb(42+ 1.1 N•m).

4.Install filter housing (111) into reservoir.

5.Install fitting (103) in filter housing (111). Torque to 600 + 10in-lb(67.8+ 1.1 N.m).

6.Reattach hose (101) to fitting (103). Torque to 450 + 10in-lbs(51+ 1.1 N•m).

101

103

111

108

113

155

ti7763

26

311283D

Cooler Replacement

Cooler Replacement

4. Remove screws (79), washers (78) and support bar

(77) from cooling coil (72).

Removal

1.Relieve pressure, page 5.

2.Loosen ground screw and remove ground clamp (95) from sprayer.

95

ti7799

3.Loosen and remove return line to oil tank and hydraulic line to cooler.

ti7802

72

77

79

78

ti7794

5. Remove coil (72) from sprayer frame.

72

ti7792

311283D

27

Installation

1.Install new coil (72). Replace support bar (77), washers (78) and screws (79). Tighten screws.

72

ti776 8

2.Reconnect return line to oil tank and hydraulic line to cooler. Torque to 225 in-lb(25.4 N.m).

ti7776

Cooler Replacement

3.Replace ground wire (95) and tighten screw. Torque to 25-30in-lbs(2.8 - 3.4 N.m).

95

ti7774

4.Replace bar and screws. Torque to 25-30in-lb(2.8-3.4N.m).

77

79

78

28

311283D

Motor Replacement

Removal

1.Relieve pressure, page 5.

2.Remove screws (79) and washers (78) and belt cover (67).

3.Remove belt (19), page 20.

4.Remove screws (21), washers (70) and nuts (10) securing motor (5) to frame.

5.Remove motor (5) from frame.

Replacing Motor Fan

Removal

a.Loosen and remove bolts (86) on front of fan (14).

b.Pull fan (14) off small pulley (6).

Installation

a.Position new fan (14) over small pulley (6).

b.Replace bolts (86) and tighten securely.Torque to 125 + 10in-lb(14.1+ 1.1 N.m).

Motor Replacement

Removing Pulley (6)

NOTE: This procedure is only necessary if you are replacing the motor. When you install a new motor you reuse the existing pulley.

Removal

a.Loosen set screw (87) located on the side of the pulley (6).

b.Remove large bolt (24) in the center of pulley

(6).

c.Pull pulley (6) off motor (5).

Installation

a.Position new pulley (6) on motor (5).

b.Install large bolt (24) and washer (65) in center of pulley (6). Torque to 125 + 10in-lb(14.1+ 1.1 N.m).

c.Tighten set screw (87). Torque to 60 + 2in-lb(25.4 N.m).

Installation

1.Install motor (5) in frame.

2.Replace all screws (21), washers (70) and nuts (10). Tighten securely.

3.Install belt (19) over pulleys (4, 6), page 20.

4.Replace belt cover (67) and screws (79) and washers (78) (2 each side). Using a wrench tighten bolts. Torque to 25-30in-lb(2.8-3.4N.m).

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29

Motor Replacement

67

4

79

78

19

87

 

 

 

86

 

 

 

14

5

 

24

10

6

65

 

 

 

 

80

 

ti7797

 

21

 

 

 

70

 

 

30

311283D

Removing Handle

Fixed Mounting (optional)

To prevent damaging the unit when transporting it in a truck or on a trailer, Graco recommends fixed mounting to the vehicle.

Removing Handle

3.Remove frame tube plugs (120) located behind the wheels.

120

Repositioning Handle

Before you can secure the unit to a truck or trailer bed, you must reposition the handle.

1. Remove the 4 handle sleeve screws (143).

143

4.Insert plugs (120) in upper frame handle tubes (a).

(a)

120

5. Insert handle assembly (25) into lower frame tubes

(b). The hose bracket should face down. Adjust to appropriate in/out location.

2.Remove handle assembly (25) by pulling it out of upper frame tubes (1).

(b)

25

25

1

(b)

6. Install sleeve screws (143) in lower frame tubes.

143

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31

Securing Unit to Vehicle Bed

For fixed mounting, fasten U-boltsover sprayer frame as indicated in the following illustration.

1. Reposition handle, steps 1-5,page 31.

U-bolts

Removing Handle

2.Place U-boltsover sprayer frame and through holes in vehicle bed. Place a washer and nut over bolt end. Using a wrench, tighten nut securely.

Reposition Handle

U-bolts

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311283D

Technical Data

Technical Data

Sprayer

GH833 Gas

Hydraulic Pressure psi (bar)

2750 (19.0)

Hydraulic Reservoir Capacity Gallon (liters)

4.0 (15.1)

Motor HP (kW)

Honda 13 (9.7)

Maximum Delivery gpm (lpm)

4.0 (15.1)

Maximum Tip Size

 

• 1 gun

.065

• 2 guns

.046

• 3 guns

.037

• 4 guns

.032

• 5 guns

.028

• 6 guns

.026

Fluid Inlet inches

1-1/2to11-1/2NPT (m)

Fluid Outlet inches

1 to 11-1/2NPT (f)

Dimensions

 

Weight lb (kg)

360 (163)

Height inch (cm)

40 (101.6)

Width inch (cm)

27 (68.6)

Length inch (cm)

47 (119.3)

Sound Levels*

 

Sound Pressure

91 dB(A)

Sound Power

106 dB(A)

*measured at maximum normal load conditions

Graco-ApprovedHydraulic Oil

169236 - 5 gallons (19 liters)

207428 - 1 gallon (3.8 liters)

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33

Warranty

Warranty

Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.

This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Gracocomponent parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.

This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect. 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 reasonable charge, which charges may include the costs of parts, labor, and transportation.

THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.

Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy (including, but not limited to, incidental or consequential damages for lost profits, 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 date of sale.

GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties.

In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the negligence of Graco, or otherwise.

ADDITIONAL WARRANTY COVERAGE

Graco does provide extended warranty and wear warranty for products described in the “Graco Contractor Equipment Warranty Program”.

mm 311283

This manual contains English

TO PLACE AN ORDER, contact your Graco distributor, or call1-800-690-2894 to identify the nearest distributor.

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.

Graco Headquarters: Minneapolis

International Offices: Belgium, China, Korea, Japan

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441

3/2006, Rev 2/2007

34

311283D