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Service

3A2799C

Service

Disassembly for Repair or
Cleaning

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.

Relieve pressure.

Disconnect the fluid hose (A) and swivel (if used).
Remove the tip guard (9). Unscrew the spring screw
(21) about 1/4 in. (7 mm) to release spring tension.
See F

. 5.

Unscrew the valve seat (2a). Remove the
gasket (2b). See F

. 6.

Remove one e-clip (26) then push the pin (18) out of
the gun. Remove the screw (13), pivot pin (23), and
trigger (24). See F

. 7.

To reduce the risk of serious injury from fluid injection
or splashing, always follow the

Pressure Relief Proce-

dure

on page 5 before servicing the gun.

. 5

ti19266a

Swivel

. 6

. 7

ti19270a

ti19271a

Содержание XHF

Страница 1: ...flow rates For professional use only Part No 262854 Series A Includes an XHD RAC Guard and XHD429 SwitchTip 7250 psi 50 MPa 500 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save all instructions ti19264a II 2 G Ex h T6 Gb ...

Страница 2: ...Trigger Lock 5 Pressure Relief Procedure 5 Operation 6 Adjust the Spray Pattern 6 Gun Care 7 Flush the Gun 8 Service 9 Disassembly for Repair or Cleaning 9 Reassembly 10 Test the Gun After Service 12 Parts 13 Accessories 14 Technical Data 15 Graco Standard Warranty 16 Graco Information 16 ...

Страница 3: ...ve or rag Follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately 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...

Страница 4: ...d 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 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 RECOIL HAZARD ...

Страница 5: ...1 Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol 1 Engage the gun trigger lock 2 Shut off power to the pump 3 Disengage the gun trigger lock 4 Hold a metal part of the gun firmly to a grounded metal pail Trigger the gun to relieve pressure 5 Engage the gun trigger lock 6 Open the system drain valve having a container ready to catch the drainage Observe ...

Страница 6: ... 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 Adjust the Spray Pattern 1 To adjust the spray pattern direction relieve pres sure Loosen the tip guard retaining nut B Rotate the tip guard as necessary to achieve a vertical or horizontal spray pattern See FIG 3 Tighten the nut 2 The spray tip orifice and spray ...

Страница 7: ...ge the gun trigger lock b Shut off the sprayer and disconnect the power source c Open the pressure drain valve to relieve pres sure d Clean the spray tip as shown in manual 308644 supplied with the RAC SwitchTip To reduce the risk of fluid injection or splashing in the eyes or on the skin do not point gun at anyone or at any part of the body when cleaning or checking a clogged tip Point the gun to...

Страница 8: ...omponent systems only Trigger the gun into a waste container When flushing fluid appears release the trigger 7 Now trigger the gun into the flushing fluid supply pail Circulate the fluid until the system is thoroughly flushed 8 After gun is thoroughly flushed relieve pressure To reduce the risk of serious injury including splashing fluid in the eyes or on the skin or static electric dis charge whe...

Страница 9: ... Unscrew the spring screw 21 about 1 4 in 7 mm to release spring tension See FIG 5 3 Unscrew the valve seat 2a Remove the gasket 2b See FIG 6 4 Remove one e clip 26 then push the pin 18 out of the gun Remove the screw 13 pivot pin 23 and trigger 24 See FIG 7 To reduce the risk of serious injury from fluid injection or splashing always follow the Pressure Relief Proce dure on page 5 before servicin...

Страница 10: ...ghly with a com patible flushing fluid Dry with a rag or compressed air Replace any parts that are worn or damaged 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 See FIG 11 2 Lightly grease the small end of the needle 2c then guide it i...

Страница 11: ...10 15 in lb 1 1 1 6 N m Fill the set screw cavities with petroleum jelly See FIG 14 5 If the spring 19 was removed grease the spring adjuster 20 and place the spring on the adjuster then drop into the gun body 1 See FIG 15 6 Push the fluid housing 22 onto the gun body 1 until fully seated Apply medium strength blue Loctite or equivalent to setscrew 15 Tighten the setscrew to 60 75 in lb 6 8 8 5 N ...

Страница 12: ... was removed install the spring tension screw 21 at the rear of the gun Then turn the screw in until it stops See FIG 18 Test the Gun After Service 1 Lock the gun trigger lock Connect a hose to the gun Start and prime the pump 2 Release the gun trigger lock Trigger the gun into a waste container until fluid dispenses Release the trigger to be sure the gun immediately stops spray ing and that there...

Страница 13: ... 1 2b GASKET 1 2c NEEDLE 1 2d RETAINER seal 1 2e SEAL 1 8 XHD429 SwitchTip size 429 1 9 XHD001 KIT RAC Guard 1 13 203953 SCREW hex head 10 24 1 15 126943 SETSCREW 1 4 20 1 16 189960 GUIDE spring 1 17 112729 SETSCREW socket head 2 18 189958 PIN trigger 1 19 112727 SPRING 1 20 189990 ADJUSTER spring 1 21 110637 SCREW adjusting 1 22 16P780 HOUSING fluid 1 23 187965 PIN pivot 1 24 189974 TRIGGER gun 1...

Страница 14: ... seat This kit will decrease the maximum flow rate of the gun Accessories 207946 Swivel Connects the gun inlet to the fluid supply hose and allows easier gun movement and twisting Maximum working pressure is 6500 psi 45 MPa 450 bar 24P834 Swivel Connects the gun inlet to the fluid supply hose and allows easier gun movement and twisting This swivel has a PTFE seal for improved chemical resistance M...

Страница 15: ...orking Pressure 7250 psi 50 MPa 500 bar Fluid orifice size 0 125 in 3 2 mm Inlet size 3 8 npt m Weight includes tip and tip guard 23 2 oz 720 g Length 8 25 in 210 mm Height 7 0 in 178 mm Sound Data Sound Pressure Level 84 dB A Sound Power Level 93 dB A Wetted Parts Tungsten carbide 17 4PH passivated stainless steel polypropylene polyethylene ...

Страница 16: ...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 warran...

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