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Graco 308491U, Instructions-Parts List Manual

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Graco 308491U Instructions-Parts List Manual Download Page 1

II 2 G

308491U

EN

Instructions - Parts List

Texture Airless 

Spray Gun

27.6 MPa (276 bar, 4000 psi) Maximum Working Pressure

Part No. 241705, Series B

Includes Rac

®

 Tip Guard and LTX531 Switch Tip

®

Part No. 289605 (Europe Only), Series B

Includes Rac

®

 Tip Guard and HDA531 Switch Tip

®

IMPORTANT SAFETY INSTRUCTIONS

Read all warnings and instructions in the repair kit instructions and in the Owners/Operation manual for the 
sprayer.

ti03965a

Summary of Contents for 308491U

Page 1: ...ressure Part No 241705 Series B Includes Rac Tip Guard and LTX531 Switch Tip Part No 289605 Europe Only Series B Includes Rac Tip Guard and HDA531 Switch Tip IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in the repair kit instructions and in the Owners Operation manual for the sprayer ti03965a ...

Page 2: ...un 6 How to Adjust the Spray Pattern 6 Care of the Spray Tip and Tip Guard 7 How to Flush the Gun 8 How to Check the Gun Diffuser Operation 9 Service 10 Repair Notes 10 Disassembly 10 Cleaning 11 Reassembly 11 Test the Gun Before Regular Use 13 Parts 14 Part No 241705 Series B Texture Airless Spray Gun 14 Technical Specifications 15 Graco Standard Warranty 16 Graco Information 16 ...

Page 3: ...nattended or not in use and before servicing cleaning or removing parts Check hoses and parts for signs of damage Replace any damaged hoses or parts This system is capable of producing 4000 psi Use Graco replacement parts or accessories that are rated a minimum of 4000 psi Always engage the trigger lock when not spraying Verify the trigger lock is functioning properly Verify that all connections a...

Page 4: ...ately with genuine man ufacturer s replacement parts only Do not alter or modify equipment Alterations or modifications may void agency approvals and cre ate safety hazards Make sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp ...

Page 5: ... tip obstruction How to Use the Gun Trigger Safely 1 To lock the gun trigger safety turn the safety to a right angle with the gun body 2 To unlock the gun trigger safety push the safety out and turn it parallel with the gun body Keep the wallet sized warning card provided with this gun with the operator at all times The card contains important treatment information should an injection injury occur...

Page 6: ...un about 14 in 350 mm from and at right angles to the work surface Don t swing the gun in an arc Practice to find the best length and speed of stroke How to Adjust the Spray Pattern 1 To adjust the spray pattern direction relieve pres sure Loosen the tip guard retaining nut B Turn the tip guard tip groove horizontally C for a hori zontal pattern and vertically A for a vertical pattern Tighten the ...

Page 7: ...er and disconnect the power source and open the pressure drain valve to relieve pressure Clean the spray tip as shown in operation manual To reduce the risk of fluid injection or splashing in the eyes or on the skin do not hold a hand body or rag in front of the spray tip when cleaning or checking a clogged tip Point the gun toward the ground or into a waste container when checking to see if the s...

Page 8: ...nt 5 Start the pump at its lowest pressure 6 Trigger the gun into the original pail When solvent appears release the trigger 7 Now trigger the gun into the solvent pail Circulate the fluid until the system is thoroughly flushed 8 Relieve pressure To reduce the risk of fluid injection or splashing in the eyes or on the skin or static electric discharge when flushing Be sure the entire system includ...

Page 9: ...e 2 Remove the tip guard and spray tip 3 Start the sprayer and adjust it to the lowest pres sure 4 Aim the gun into a grounded metal pail while holding it firmly to the pail Trigger the gun If the fluid emit ted is not diffused into an irregular stream replace the entire needle kit immediately The diffuser located in the valve seat creates an irregular spray pattern when the gun is sprayed without...

Page 10: ...e where grease is indicated Disassembly NOTE If replacing only the needle and seat Step 4 and 5 are not required However removing them allows you to clean the gun more thoroughly 1 Relieve pressure 2 Disconnect the fluid hose A Remove the tip guard 30 Unscrew the spring screw 21 about 1 4 in 7 mm to release spring tension 3 Unscrew the valve seat 2a Remove the gasket 2b 4 Remove one e clip 27 Push...

Page 11: ...ompressed air Replace any parts that are worn or damage Reassembly 1 Lightly grease the inner cavities of the fluid housing 22 Install the small seal 2e so the lips face into the fluid housing cavity Install the seal retainer 2d and torque to 30 40 in lb 3 4 4 5 N m 2 Lightly grease the small end of the needle 2c and then guide it into the large end of the fluid housing 22 1 22 15 ti04736a ti04734...

Page 12: ...the spring adjuster 20 and place the spring Drop this assem bly into the gun body 1 6 Push the fluid housing 22 onto the gun body 1 until fully seated Tighten the setscrew 15 to 30 40 in lb 3 4 4 5 N m Fill the setscrew cavity with petroleum jelly Ref Action Grease the threads Torque to 20 25 ft lb 27 35 N m 1 2 2b 2a 22 ti03977a Ref Action Seat against needle stem Apply light strength Loctite Tor...

Page 13: ...install the spring tension screw 21 at the rear of the gun Then turn the screw in until it stops Test the Gun Before Regular Use 1 Lock the gun trigger safety Connect a hose to the gun Start and prime the pump 2 Release the gun trigger safety Trigger the gun into a waste container Release the trigger to be sure the gun immediately stops spraying and that there are no leaks 3 If the gun has a diffu...

Page 14: ...41705 1 HDA531 Switch Tip size 531 Model 289605 1 15 102207 SETSCREW 1 4 20 1 16 189960 SPRING GUIDE 1 17 112729 SETSCREW socket head 2 18 189958 TRIGGER PIN 1 19 102924 SPRING 1 20 189990 SPRING ADJUSTER 1 21 110637 ADJUSTING SCREW 1 22 24R913 FLUID HOUSING 1 24 112774 SCREW 1 4 20 2 25 189974 GUN TRIGGER 1 27 112410 E CLIP 2 28 187965 PIVOT PIN 1 29 203953 SCREW HWH 10 24 1 30 246215 KIT TIP GUA...

Page 15: ...0 g Spray Gun Maximum working pressure 4000 psi 27 6 MPa 276 bar Fluid orifice size 0 125 in 3 2 mm Inlet size 1 4 npt m 1 4 npt m Fluid tube inside diameter 0 245 in 6 2 mm Sound Data Sound Pressure Level 84 dB A Sound Power Level 93 dB A Measured while spraying waterbase paint through a 0 031 tip at 3000 psi 20 7 MPa 207 bar per ISO 3744 Wetted parts Tungsten carbide 17 4PH passivated stainless ...

Page 16: ...e 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 m...

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