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Graco 231-560 Instructions-Parts List Manual

Gasoline-powered airless linestriper
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INSTRUCTIONS–PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
GM3000
GASOLINE-POWERED AIRLESS LINESTRIPER
LineLazer 3000
3000 psi (207 bar, 21 MPa)
Maximum Working Pressure
Model 231–560, Series A
Patent Pending.
CAUTION
Always use a minimum hose length of 25 foot
(7.5 m) 1/4 inch ID. An undersized hose may result
in poor equipment performance and damage to the
clutch.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1996, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308–685
REV. B
Supercedes Rev. A
06941

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Summary of Contents for Graco 231-560

  • Page 1 (7.5 m) 1/4 inch ID. An undersized hose may result in poor equipment performance and damage to the clutch. 06941 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1996, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call your Graco Distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

  • Page 3: Warnings

    WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. Fluid injected into the skin may look like just a cut, but it is a serious injury.
  • Page 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.

  • Page 5: Component Identification And Function

    Component Identification and Functio 06941 Fig. 1 Pressure Control Switch ON/OFF, enables/disables clutch function Pressure Adjusting Knob Controls fluid outlet pressure Air Cleaner* Filters air entering the carburetor Fuel Tank* Holds 0.66 gallons (2.5 liters) of [(R+M)/2]; 86 octane gasoline Muffler* Reduces noise of internal combustion Spark Plug Cable*...

  • Page 6: Setup

    Setup 2. Fill packing nut/wetcup. Fill the packing nut/wet- CAUTION cup (B) 1/3 full with Graco Throat Seal Liquid (TSL), supplied. See Fig. 2. To avoid damaging the pressure control, which may result in poor equipment performance and component damage, follow these precautions.
  • Page 7 Setup 4. Be sure your system is properly grounded 8. Keep the sprayer upright and level during before flushing or fueling it. Connect the spray- operation and whenever it is being transported. er to a true earth ground with the grounding wire Set the fuel valve (G, Fig.1) to OFF.

  • Page 8: Fueling

    Fueling 2. Gasolines containing alcohol (gasohol). Do not WARNING use gasohol which contains methanol, if the gaso- hol does not contain cosolvents and corrosion FIRE AND EXPLOSION HAZARD inhibitors for methanol. Even if it does contain such Gasoline is extremely flammable and additives, do not use the gasohol if it contains explosive under certain conditions.

  • Page 9: Startup

    Startup Before You Start the LineLazer 6. To start the engine: 1. See Flushing on page 17 to determine if you a. Turn the pressure adjusting knob all the way should flush the LineLazer. counterclockwise to the lowest pressure set- ting.
  • Page 10 Startup 10. Prime the pump: e. Trigger the gun into the pail until fluid flows from the gun. If pumping solvent or solvent– based paint, hold a metal part of the gun firmly a. Place the suction tube in the bucket of paint, against a grounded metal pail.
  • Page 11 Startup Loss of Prime to Pump CAUTION Introduction of air into the pump, either by changing fluids or due to a suction leak, may result in the loss of Operating the sprayer with the pump not primed can prime to the pump. If the pump loses prime, no fluid is lead to premature packing wear and/or damage to pumped.

  • Page 12: Spray Techniques

    Spray Techniques These spray techniques discuss how to use and adjust 7. To minimize the effect of bumps on the spray pattern, the features of the LineLazer. You must also consider op- keep the spray tip guard centered with the front erator technique, job site conditions and weather.

  • Page 13: Positioning The Gun Arm Assembly

    Positioning the Gun Arm Assembly PUMP SIDE ENGINE SIDE 06943 Fig. 4 The gun arm can be positioned for a variety of spraying 2. Loosen the gun holder knob (93) and remove the needs. The drawings on page 14 show the gun mounted gun.

  • Page 14: Gun Arm Positions

    Gun Arm Positions LINE SPRAYING CURB SPRAYING 06920 How To Mount the Gun How to Release the Gun Selector Cable 1. Relieve pressure. See page 17. 2. Disengage the trigger cable. See page 14. Engage WARNING the gun’s trigger safety latch (B). The gun is remotely triggered with a gun selector 3.
  • Page 15 How To Mount the Gun Trigger Cable Tension Adjustment See Fig. 6 FORWARD 1. Relieve pressure. See page 17. 2. Be sure the gun is properly mounted in the holder as instructed on page 14. 3. Pull the actuator lever (94) forward and hold it. Lift up on the gun trigger (A) until there is slight resistance.

  • Page 16: Maintenance

    Maintenance WARNING CAUTION INJECTION HAZARD For detailed engine maintenance and specifications, refer to the separate engine manual, supplied. To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 17. DAILY: Check the engine oil level and fill as neces- WEEKLY: Check the level of the TSL in the displace- sary.

  • Page 17: Flushing

    Pressure Relief Procedure 1. Engage the gun safety latch. WARNING 2. Turn the engine switch to OFF. 3. Move the pressure control ON/OFF switch to OFF. INJECTION HAZARD 4. Disengage the gun safety latch. Hold a metal part The system pressure must be manually of the gun firmly to a grounded metal pail.
  • Page 18 Flushing How to Flush WARNING CAUTION FIRE AND EXPLOSION HAZARD To reduce static sparking and splashing, always remove the spray tip from the When changing fluids, do not drain all of the first fluid gun, and hold a metal part of the gun from the suction tube before inserting the suction tube firmly to the side of a grounded metal pail when into another fluid.

  • Page 19: Troubleshooting

    Have the pressure control checked by an au- thorized Graco dealer. The clutch is worn, damaged, or incorrectly Replace the clutch. See page 28. positioned.
  • Page 20 PROBLEM CAUSE SOLUTION The pump output is low on The inlet screen (102) is clogged. Clean the screen. the upstroke the upstroke. A piston ball (121) is not seating. Service the piston ball–check. See page 35. The piston packings are worn or damaged. Replace the packings.

  • Page 21: Drive Housing, Connecting Rod, Crankshaft

    Drive Housing, Connecting Rod, Crankshaft 6. Remove and inspect the crankshaft (8) and the WARNING connecting rod (10). INJECTION HAZARD To reduce the risk of serious injury, Installation whenever you are instructed to relieve pressure, follow the Pressure Relief 7. Lubricate the inside of the drive housing bronze Procedure on page 17.
  • Page 22 Drive Housing, Connecting Rod, Crankshaft REF A Torque to 100 in–lb (11 N.m) Quantity of three Quantity of one Lubricate with SAE non-detergent oil 06923 Fig. 8 Brush G-n lubricant and recoat with bearing grease Pack with bearing grease (0.22 pint) Fig.

  • Page 23: Pressure Control

    Pressure Control 7. Loosely install the screws (24) and then torque WARNING them to 21 in–lb (2.4 N.m). INJECTION HAZARD 8. Install the front cover (9). Connect the harness (A) To reduce the risk of serious injury, to the control module leads (B). whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 17.

  • Page 24: Control Module

    Control Module 303 304 63 WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 17. NOTE: See Fig. 11 for this procedure. 1. Relieve pressure. 2.

  • Page 25: Pressure Transducer

    Pressure Transducer WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 17. NOTE: See Fig. 12 for this procedure. 1. Remove the displacement pump. See page 35. 2.

  • Page 26: Pinion, Clutch, Clamp, Field, & Engine

    Pinion, Clutch, Clamp, Field, & Engine If servicing clutch components only, see page 28. 8. Reassemble to drive housing. If no service is needed for internal parts of pinion CAUTION housing, remove drive assembly (drive and pinion housing) from clutch housing. See page 28. Do not lose the thrust ball (2d).

  • Page 27: Pinion Housing

    Pinion Housing Lubricate inner and Detail A outer diameters Lubricate teeth Directional arrow on roller clutch must face the small bearing (2n) Lubricate exterior Back of pinion housing 1.53 Press fit small bearing (2n) and clutch roller (s) here Fig. 15 Repairing the Pinion (Fig.

  • Page 28: Clutch

    Clutch NOTE: The engine must be removed before the clamp 3. Pull the drive assembly (D) away from the clutch and clutch housing can be removed. housing (1). WARNING 4. The armature (51b) will move with the drive as- sembly. Remove the armature from the pinion hub (2h).
  • Page 29 Clutch 06928 Fig. 17...

  • Page 30: Engine

    CAUTION The engine for this sprayer is manufactured by Honda to a special Graco specification. The sprayer will experience poor clutch life, not work at all, or burn up the clutch coil if a replacement engine is purchased from another vendor.

  • Page 31: Field & Wiring Harness

    Field & Wiring Harness NOTE: Refer to Fig. 20. 1. Back out the four setscrews (58) holding the field (53) to the clutch housing (1) approximately 3 turns. 2. Pull out the field. The field fits closely to the clutch housing and must be removed carefully to prevent jamming.

  • Page 32: Reassembly

    Reassembly To check the dimension, place a rigid, straight CAUTION steel bar (B) across the face of the clutch housing (1). Use an accurate measuring device to measure The sprayer will be out of balance when only the the distance between the bar and the face of the engine and clutch housing are installed.
  • Page 33 Reassembly The face of the housing. CAUTION 1.41 .010 inch (35.8 mm). The sprayer will be out of balance when only the Torque the screws to engine and clutch housing are installed. Support the 120 in–lb (14 N.m). rear of the cart to prevent the sprayer from falling over.
  • Page 34 Reassembly 6. Be sure the face of the rotor (51a) and the clamp 8. Clean the face of the armature (51b). With the flat (55) are free of all burrs . Install the rotor, lock- side of the armature facing the rotor (51a), slide washers (16) and capscrews (57).

  • Page 35: Displacement Pump Repair

    Displacement Pump Repair Removing the pump (See Fig. 26.) WARNING 1. Flush the pump, if possible. Relieve pressure. Stop INJECTION HAZARD the pump with the piston rod (107) in its lowest To reduce the risk of serious injury, position, if possible. whenever you are instructed to relieve pressure, follow the Pressure Relief 2.
  • Page 36 Fill the packing nut/wet-cup 5. Mount the pump on the drive housing. Tap it into 1/3 full with Graco TSL. Push the plug (123) into the alignment pins with a soft hammer. Tighten the the wet-cup.
  • Page 37 English, order one of the following labels to apply to your sprayer. The drawing below shows the best placement of these labels for good visibility. Order the labels directly from Graco, free of charge. Toll Free: 1–800–328–0211...

  • Page 38: Sprayer Parts Drawing

    Sprayer Parts Drawing Model 231–560 49 Ref 06939 Label See page 37 for the parts.

  • Page 39: Sprayer Parts List

    Sprayer Parts List Model 231–560, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 191–207 HOUSING, clutch 188–150 HOSE, suction 238–684 HOUSING, pinion 110–229 UNION, swivel 100–069 .BALL 103–927 CLAMP, hose 238–656 DRIVE HOUSING 183–769 TUBE, suction 176–904 LABEL, designation 110–838...
  • Page 40 Sprayer Parts Drawing Model 231–560 06930 39h Ref. 39k Ref. 105 43 Label 05846B...
  • Page 41 Sprayer Parts List Model 231–560, Series A Ref. Ref. Part No. Description Qty. Part No. Description Qty. 176–904 BRACKET, support 113–957 CAPSCREW, hex head, 188–366 COVER, front, blue 1/4–20 x 3.25 188–360 TIP, spray, TC air/airless 191–705 PLATE, mounting 239–284 PUMP, displacement 108–471 KNOB, pronged...

  • Page 42: Gun Mounting Parts List And Drawing

    Gun Mounting Parts List and Drawing Ref. Ref. Part No. Description Qty. Part No. Description Qty. 111–721 CABLE, remote trigger 1 108–483 SCREW, shoulder, sch, 224–096 BRACKET, gun support 1 1/4 x 3/8 in. 114–029 CLAMP, arm support 181–795 JAW, clamp 188–135 GUIDE, cable 235–457...

  • Page 43: Pressure Control Parts List, Drawing, & Schematic

    238–672 Pressure Control Parts List Part No. Description Part No. Description 238–676 CONDUCTOR, electrical 280–340 HOUSING, box, junction 312** 191–242 PLATE, module 238–660** TRIAC 105–679 SWITCH, toggle 100–035 SCREW, panhead, 10–24 x 2 inch 105–658 RING, locking 157–021** LOCKWASHER, No. 10 105–659 BOOT, toggle 108–783** SCREW.

  • Page 44: Dimensions

    Graco distributor 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 manual is also suitable for:

Linelazer 3000Gm3000

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