Graco 253471 - Manual - manualsarea.com

Page 2 - Warning; WARNING

Warning 2 311283D 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 ap-pearing in the body of the manual refer to t...

Page 4 - Component Identification

Component Identification 4 311283D Component Identification , ti7133b ti7107b 3 2 4 1 6 7 5 9 11 10 ti7133 8 Ref Description 1 Hydraulic pump valve 2 Pressure control 3 Lock ring 4 Drain valve 5 Engine ON/OFF switch 6 Engine controls 7 Trigger lock 8 Serial number ID label 9 Lift locations 10 Suctio...

Page 5 - Operation; Pressure Relief Procedure; General Repair Information; Grounding

Operation 311283D 5 Operation Pressure Relief Procedure 1 Set pump valve OFF. Turn engine OFF. 2 Turn pressure to lowest setting. Trigger gun into pail to relieve pressure. 3 Open prime valve (vertical). If you suspect that the spray tip or hose is completely clogged, or that pressure has not been f...

Page 6 - Maintenance; Frequency

Maintenance 6 311283D Maintenance For detailed engine maintenance and specifications, refer to separate Honda Engines Owner’s Manual, supplied. Spark Plug: • Use BPR6ES (NGK) or W20EPR-U (NIPPON-DENSO) plug, only. • Gap plug to 0.028 to 0.031 in. (0.7 to 0.8 mm). • Use spark plug wrench when install...

Page 7 - Troubleshooting

Troubleshooting 311283D 7 Troubleshooting PROBLEM CAUSE SOLUTION Gas engine pulls hard (won't star t) 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 ...

Page 9 - Displacement Pump Replacement; Removal

Displacement Pump Replacement 311283D 9 Displacement Pump Replacement See manual 311485 for pump repair instructions. Removal 1. Flush pump (36). Stop pump on down stroke if possible. 2. Relieve pressure, page 5. 3. Remove suction set (147) from pump (36). 4. Remove filter housing (110), page 15. 5....

Page 10 - Installation

Displacement Pump Replacement 10 311283D 8. Loosen jam nut (122) with a hammer. Unscrew pump (36) from power head. 9. Remove pump (36). 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. 3. Hand tighten...

Page 12 - Pump Power Head Replacement

Pump Power Head Replacement 12 311283D Pump Power Head Replacement Removal 1. Relieve pressure, page 5. 2. Remove hydraulic lines (100, 101) from head (75). 3. Loosen (4) mounting bolts (7) on the adapter enough to lift and remove assembly. 4. Remove power head from unit. Installation 1. Install pow...

Page 14 - Hydraulic Motor

Hydraulic Motor 14 311283D Hydraulic Motor 1 2 3 4 1 450 in-lb (51 N.m) 600 in-lb (68 N.m) 60 in-lb (7 N.m) 930 in-lb (105 N.m)Torqued in 3 steps 2 3 4 ti7868

Page 15 - Filter Housing Replacement

Filter Housing Replacement 311283D 15 Filter Housing Replacement Removal 1. Relieve pressure, page 5. 2. Remove paint and drain lines from filter housing. 3. Loosen filter housing fitting (110) until housing and remove housing from pump. Installation 1. Install filter housing (110) in pump opening. ...

Page 16 - Hydraulic Pump Replacement

Hydraulic Pump Replacement 16 311283D Hydraulic Pump Replacement Changing Hydraulic Oil Draining Oila. Place drain pan under oil tank and drain plug. b. Unscrew reservoir (64) drain plug and drain oil from reservoir. Refilling Oila. Replace drain plug. b. Fill tank with Graco Hydraulic Oil, ISO 46. ...

Page 21 - Alternate Belt Removal and Installation

Hydraulic Pump Replacement 311283D 21 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. b. Tighten engine bolts (21). Torque to 225 + 10 i...

Page 22 - Replacing Oil Reservoir

Hydraulic Pump Replacement 22 311283D 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 res-ervoir. 3. Remove fill cap (27) and filter assembly (111). Keep for use on new reservoir. 4. Loo...

Page 26 - Changing Hydraulic Fluid Filter

Changing Hydraulic Fluid Filter 26 311283D 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 (1...

Page 27 - Cooler Replacement

Cooler Replacement 311283D 27 Cooler Replacement Removal 1. Relieve pressure, page 5. 2. Loosen ground screw and remove ground clamp (95) from sprayer. 3. Loosen and remove return line to oil tank and hydraulic line to cooler. 4. Remove screws (79), washers (78) and support bar (77) from cooling coi...

Page 29 - Motor Replacement

Motor Replacement 311283D 29 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...

Page 31 - Removing Handle; Repositioning Handle

Removing Handle 311283D 31 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. Repositioning Handle Before you can secure the unit to a truck or trailer bed, you must reposition the ha...

Page 32 - Securing Unit to Vehicle Bed

Removing Handle 32 311283D Securing Unit to Vehicle Bed For fixed mounting, fasten U-bolts over sprayer frame as indicated in the following illustration. 1. Reposition handle, steps 1-5, page 31. 2. Place U-bolts over sprayer frame and through holes in vehicle bed. Place a washer and nut over bolt e...

Page 33 - Technical Data; Sprayer

Technical Data 311283D 33 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 gu...

Page 34 - Warranty

Warranty 34 311283D Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in materialand workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited ...

Graco 253471 - Manual

Table of Contents:

Summary

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