Instruction/ maintenance manual of the product 253472 Graco Inc.
Go to page of 34
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2006, Graco Inc. is r egistered to I. S. EN ISO 9001 - Use with Ar chitec tural Coat ings, P aints, Roof Coatings and Below Grade Coatings - 4000 psi (27.6 MPa, 275.8 bar) Maximum W orking Pressure Model: 249318, 2 49617, 253471, 253472 Related Manuals Important Safety Instructions.
Warning 2 311283D Wa r n i n g The following ar e general warning relate d to the safe setup, use, grounding, mainte nance and repair of this equipment. Additional, more specif ic warnings may be found throug hout the body of this manual where applicable.
Warning 311283D 3 EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injur y . • Do not oper ate the unit when f atigued or unde r the influence of drugs or alcohol. • Do not exceed the maximum workin g pressure or temperature rating of the lo west rated system component.
Component Ide ntification 4 311283D Component Identification , ti7133b ti7107b 3 2 4 1 6 7 5 9 11 10 ti7133 8 Ref Descr iption 1 Hydraulic pump v alv e 2 Pressure c ontrol 3 Loc k r ing 4 Drain v alve.
Operation 311283D 5 Operation Pressure Relief Pr ocedure 1 Set pump valv e OFF . T urn engine OFF . 2 T ur n pressure to lowest setting. T r igger gun into pa il to relie ve pressure.
Maintenance 6 311283D Maintenance For detailed engi ne 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 0.02 8 to 0.
Troubleshooting 311283D 7 T r oubleshooting PROBLEM CA U SE SOLUTION Gas engine pulls hard (wo n't star t) Hydraulic pressur e is too high T ur n hydrau lic pressure knob coun- terclockwise to lo.
Troubleshooti ng 8 311283D The spra yer o verhe ats P aint b uildup on h ydr aulic compo- nents Clean Oil le vel is low Fill with oil. Spitting from gu n Air in fluid pump or hose Chec k for loose connect ions on siphon assemb ly , tighten, then rep- rime pump .
Displacement Pump Replacement 311283D 9 Displacement Pump Replacement See manual 311485 for pump repair instructions. Re m ova l 1. Flush pump (36). Stop pump on down stro ke if possible . 2. Relieve pressure, page 5. 3. Remove suction se t (147) from pump (36).
Displacement Pump Replacement 10 311283D 8. Loosen jam nut (122 ) with a hammer. Unscrew pump (36) fro m power head. 9. Remove pump (36). Installation 1. Screw jam nut (122) to bot tom of pump threads (36). 2. Slide cover (124 ) up over pump rod. Screw pump completely up into power head.
Displacement Pump Replacement 311283D 11 7. Install clip pin (121 ) to secure. 8. Install filter housin g (110), page 15. 9. Connect suction hose (147) to pump outlet (36).
Pump Power Head Replacement 12 311283D Pump P o wer Head Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove h ydraulic lines (100, 101) from head (75) . 3. Loosen (4) mount ing bolts (7) on the adapt er enough to lift and re mov e assembly .
Pump Power Head Replacement 311283D 13 2. Tighten power head bolts (7). Torque bolts to 4 00 + 10 in-lb (45 + 1 N•m). 3. Attach hoses (1 00, 101) to head (75). Torque to 450 + 10 in-lb (50.84 N•m) . 4. To purge air from hydr aulic lines, increase pressure enough to start hydr aulic motor stroking and allow fluid to circulate for 15 seconds.
Hydraulic Moto r 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) T orqued in 3 steps 2 3 4 ti7868.
Filter Housing Replacement 311283D 15 Filter Housing Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove paint and drain lines from f ilter housing. 3. Loosen filter housing fitting (110) until housing and remove hou sing from pump. Installation 1.
Hydraulic Pump Replacement 16 311283D Hydraulic Pump Replacement Changing Hydraulic Oil Draining Oil a. Place drain pan unde r oil tank and drain plug. b . Unscrew reser voir (64) dr ain plug and drain oil from reser voir . Refilling Oil a. Replace drain plu g.
Hydraulic Pump Replacement 311283D 17 5. Remove (4) belt cover screws (79), washers (78) and grommets (80 ) (2 each side). 6. Remove belt cover (67). 7. Remove belt (19), page 20. 8. Loosen set-screws (87) on front of large pulley (4). 9. Remove pulley (4) from hydraulic pump shaft.
Hydraulic Pump Replacement 18 311283D 11. Remove hydraulic pump ( 3). 12. Remove fitting s (30, 34, 35) from pump (3) and set aside to use on the new pump. Installation 1. Install fitting s (30, 34, 35) from old pump on new pump . T orque fitting 30 and 35 to 60 0 + 10 in-lb (67.
Hydraulic Pump Replacement 311283D 19 6. Replace set-screws (8 7). Tighten and to rque to 60 + 2 in-lb (6.8 + 0.2 N• m). NOTE: Tigh ten set-screw on shaft befo re tightening set-screw on pump shaf t. 7. Position belt (19) over pul leys (4, 6); Installing Belt, page 20.
Hydraulic Pump Replacement 20 311283D Belt Remov al and Replacement (recommended method) Removing Belt a. Place a ziptie ar ound belt (19) . b . Slowly pull ziptie tow ard you while at the same time slowly pulling engine recoil to rotate pul- leys .
Hydraulic Pump Replacement 311283D 21 Alternate Belt Remov al and Installation Removing Belt a. Loosen engine bolt s (21) to relie ve te nsion on belt. b . Slide belt off pulleys . Installing Belt a. Install belt (19) o ve r small (6) and large (4) pulleys .
Hydraulic Pump Replacement 22 311283D Replacing Oil Reserv oir Re m ova l 1. Relieve pressure , page 5. 2. Drain oil fr om reservo ir (64) following Draining Oil procedure, page 16. Keep plug for use on new res- ervoir. 3. Remove fill cap (2 7) and filter as sembly (111).
Hydraulic Pump Replacement 311283D 23 8. Remove (2) top bolts (86) and 2 bottom nuts (84) securing rese rvoir (64) to fram e. 9. Lift reservoir (64 ) out of frame. Installation 1. Install plug (102), ret ur n elbow (31), suctio n fitting (32), inlet screen (89) and filter assemb ly (111) in new rese r voir (64).
Hydraulic Pump Replacement 24 311283D 2. Install new reservoir (6 4) in frame. 3. Replace bolts (86) and nu ts (84). Tighten bolts. Torque to 125 + 1 0 in-lb 14 + 1.1 N•m). 4. Connect coolant line t o reservoir (64). Torque t o 225 in-lb (14.1 N.m ).
Hydraulic Pump Replacement 311283D 25 7. Verify drain plug has been replaced. Fill oil reserv oir with oil to high mark on dip stick (approximately 3.5 gallons).
Changing Hydraulic Flui d Filter 26 311283D Changing Hydraulic Fluid Filter Re m ova l 1. Relieve pressure , page 5. 2. Loosen and remove hose (101) from fitting (103). 3. Remove filter housing (111) f rom reservoir (64). 4. Remove bottom filer cap (155) from housing (111).
Cooler Replacement 311283D 27 Cooler Replacement Re m ova l 1. Relieve pressure , page 5. 2. Loose n ground scre w and remov e ground clam p (95) from sprayer . 3. Loose n and remove retur n line to oil tank and hydraulic line to cooler. 4. Remove screws (79) , washers (78) and su pport bar (77) from cooling coil (72) .
Cooler Replacement 28 311283D Installation 1. Install ne w coil (72). Replace support bar (77), washers (78 ) and screws (79). Tighten scr ews. 2. Reconnec t return line to oil tank and hy draulic line to cooler. Torq ue to 225 in-lb (2 5.4 N.m). 3. Replace ground wir e (95) and tighten screw.
Motor Replacement 311283D 29 Motor Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove screws (79) and washers (78) and belt cover (67). 3. Remove belt (19), pa ge 20. 4. Remove screws (21), washers (70) and nuts (10) securing moto r (5) to frame.
Motor Replacement 30 311283D 5 21 70 80 6 65 24 14 86 10 87 78 79 67 4 19 ti7797.
Removing Handle 311283D 31 Remo ving Handle Fixed Mounting (optional) T o pre vent damaging the unit when transporting it in a truc k or on a trailer , Graco recommends fixed mounting to the vehic le . Repositioning Handle Bef ore yo u can secure the unit to a truck or t railer bed, yo u must reposition th e handle.
Removing Handle 32 311283D Securing Unit to V ehicle Bed F or fix ed mounting, f asten U-bolts o ver spra yer fr ame as indicated in the f ollowing illustration. 1. Reposition handle , steps 1-5, page 31. 2. Place U-bolts ov er spra yer frame and t hrough holes in v ehicle bed.
Technical Data 311283D 33 Te c h n i c a l D a t a Spra yer GH833 Gas Hydraulic Pressure psi (b ar) 2750 (19.0) Hydraulic Reservoir Capa city Gallon (liters) 4.0 (15.1) Motor HP (kW) Honda 13 (9.7) Maximum Deliv er y gpm (lpm) 4.0 (15.1) Maximum Tip Siz e • 1 gun .
Warranty 34 311283D Wa r r a n t y Graco warrants all equipment referenced in th is document which is manufactured by Graco and bearing its name to be free from de fects in material and workmanship on the date of sale to the or iginal purchaser for use.
An important point after buying a device Graco Inc. 253472 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. 253472 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. 253472 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. 253472 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. 253472 will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. 253472, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. 253472.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. 253472. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. 253472 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
