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Service

311209W

Inspection Frequency

Dispense Gun

Inspect the dispense gun at every use for leakage or

other visible damage.

Heater

Every two weeks, check the heater for proper resis

tance. Resistance should be approximately 890 ohms,

+/- 70 ohms for the 240V valves. Replace the heater

if necessary. See

Electrical Schematic

on page 12 for

test point.

Also inspect the heater when performing regular mainte

nance procedures.

Sensor

Every two weeks, check the sensor resistance. Resis

tance should be 108 ohms at 70° F (21° C). Replace the

sensor if necessary.

Also inspect the sensor when performing regular main

tenance procedures.

Adjust Needle Assembly

The trigger travel and corresponding valve opening are

factory set. To adjust this setting, use the following pro

cedure.

1. Follow the pressure relief procedure in your supply

system manual (

see

Related Manuals

on page 2

2. Disconnect from power source and wait for the unit

to cool.

3. Disconnect the gun from the hose.

4. Use a 11/32 in. wrench to loosen hex nut (4g).

5. Trigger the gun and use a 1/8 in. open-end wrench

on the flats of the needle to turn the needle (4a)

clockwise one turn as viewed from the handle end

of the gun.

6. Release the trigger; a slight free play of the trigger

handle should occur.

7. Repeat Step 4 until free play occurs.

8. Tighten hex nut (4g) to lock the adjustment.

Service Valve Stem and Seal

If fluid leaks past seal (4c), the seal or needle (4a) may

be worn or damaged. To replace the seal or valve stem,

use the following procedure:

1. Follow the Pressure Relief Procedure in your supply

system manual (see

Related Manuals

on page 2).

2. Disconnect from power source and wait for the unit

to cool.

3. Disconnect the gun from the hose.

4. Remove cover (16), and then slide the heater car

tridge and sensor cartridge out of body (2).

5. Loosen the needle nut.

6. Remove screws (33).

7. Unscrew the needle with the body from the yoke.

8. Remove the seal-cartridge assembly from the body

and replace seals and/or needle. Repack the

grease area of the packing nut prior to reassembly.

Reassemble in reverse order and follow

Adjust

Needle Assembly

Содержание 249512

Страница 1: ...lants and adhesives For professional use only Not approved for use in explosive atmospheres or hazardous classified locations Maximum Working Pressure 5000 psi 34 5 MPa 345 bar See page 2 for model information Important Safety Instructions Read all warnings and instructions in this manual before using the equipment Save these instructions Bottom feed model Top feed model ...

Страница 2: ...ns 16 Accessories 18 Rebuild Kit 18 Technical Specifications 19 California Proposition 65 19 Graco Standard Warranty 20 Models Related Manuals Part Description 249514 25R586 Bottom Feed 249512 25R585 Bottom Feed with Trigger Switch 249515 Top Feed 249513 Top Feed with Trigger Switch Manual in English Description Manual Reference 334129 Therm O Flow 20 Instructions Parts Supply System 334130 Therm ...

Страница 3: ...c shock Turn off and disconnect power at main switch before disconnecting any cables and before servicing or installing equipment Connect only to grounded power source All electrical wiring must be done by a qualified electrician and comply with all local codes and regulations BURN HAZARD Equipment surfaces and fluid that is heated can become very hot during operation To avoid severe burns Do not ...

Страница 4: ... and paint fumes in work area can ignite or explode Paint or solvent flowing through the equipment can cause static sparking To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static sparking Ground all equipment in the work area See Grounding instruct...

Страница 5: ...r damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Alterations or modifications may void agency approvals and create 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 ...

Страница 6: ...lating cuff B 119889 Connect Electrical Cable 1 Wrap hose cable around hose one time Connect electrical cable from hose to gun cable engage metal clip on top of connector 2 Place flat side of cable connection against hose Make sure the metal clip faces away from the hose This will prevent damage to the hose from the clip rubbing against it 3 Fasten Velcro insulation wrap 198422 snugly around the h...

Страница 7: ...e more than the quantity needed for one shift Solvent pails used when flushing follow local codes and regulations Use only conductive metal pails placed on a grounded surface Do not place the pail on a nonconductive surface such as paper or cardboard which interrupts grounding continuity To maintain grounding continuity when flushing or relieving pressure hold metal part of the gun firmly to the s...

Страница 8: ...elieved due to the dispense gun being clogged a VERY SLOWLY loosen the end coupling from the dispense gun to relieve pressure gradually b Loosen the coupling completely c Clear the obstruction in the dispense gun Trigger Lock Always engage the trigger lock when you stop spraying to prevent the gun from being triggered accidentally by hand or if dropped or bumped To engage the trigger lock release ...

Страница 9: ...age the gun trigger lock 3 Squeeze the trigger in all the way Fluid flow begins with the slightest pressure on trigger and stops when trigger is released Shutdown 1 Turn off all heat at the controller 2 Shut off the fluid supply pump 3 Trigger the gun to relieve pressure while the system is still hot 4 Hold the gun over a waste container and use trigger retainer Z to hold the gun trigger open Flui...

Страница 10: ...nside gun Worn needle Replace the seat 6 or packing 47 Remove the seat 6 Check and replace if necessary Check and replace needle 4a if necessary Material leaks from back of gun body Needle seal or packing is worn Replace seals 4c or packing 4d Gun does not shut off Needle or seat is worn Spring is broken or not installed correctly Obstruction inside gun Replace needle 4a or seat 6 Check and replac...

Страница 11: ...lacement connectors IDC 38 out of the handle Loosen the screw in the terminal block or cut off the IDC to disconnect lead wires of failed components 4 Gently slide new heater s or sensor into the appropriate hole 5 Feed new wires through the conduit to the correct terminal block or IDC If using a terminal block cut wires to length and strip insulation before connecting If using an IDC insert one n...

Страница 12: ... an ohmmeter to check Heater pins 1 to 2 445 35 RTD sensor pin 3 to 4 108 1 at 70 F 21 C Continuity to gun body from pin 8 No continuity from pins 1 7 to gun body or connector shell or ground pin 8 All Models All models except 249514 and 249515 ...

Страница 13: ...he gun from the hose 4 Use a 11 32 in wrench to loosen hex nut 4g 5 Trigger the gun and use a 1 8 in open end wrench on the flats of the needle to turn the needle 4a clockwise one turn as viewed from the handle end of the gun 6 Release the trigger a slight free play of the trigger handle should occur 7 Repeat Step 4 until free play occurs 8 Tighten hex nut 4g to lock the adjustment Service Valve S...

Страница 14: ... 4j 4h 52 14 5 55 50 51 5 11 27 14 35 23 34 46 30 37 36 32 48 9 10 12 13 29 15 17 19 18 25 24 1 3 4 32 16 26 21 22 2 41 47 6 7 8 20 Model 249512 Only 53 27 4c 54 33 31 59 38 60 62 Model 249514 Only If using models 25R585 or 25R586 it is recommended to use a Dimethacrylate Ester for this fitting ...

Страница 15: ...70 CARTRIDGE heater 2 23 C34009 TRIGGER lock 1 24 15X116 PIN trigger 3 25 C19950 SCREW Cap 3 26 15G020 HANGER 1 27 15G121 WASHER gun 1 28 065337 WIRE copper electric 1 29 115862 CONNECTOR male crimp Model 249514 1 Model 249512 1 30 C78160 TERMINAL 1 31 122340 SCREW shoulder socket hd 2 32 122337 SCREW cap socket button hd 5 33 124779 SCREW cap socket hd 2 34 108483 SCREW shoulder 1 35 C20565 WASHE...

Страница 16: ... 249513 Hot Melt Guns 4a 4c 4b 4e 4d 4f 4g 4j 4h 52 14 54 55 50 51 Model 249513 Only 25 1 3 35 23 34 46 30 37 17 19 18 36 9 32 20 8 26 5 11 27 14 33 32 16 4 22 41 7 6 47 2 12 10 13 29 64 15 27 53 5 60 21 31 59 62 24 38 Model 249515 Only ...

Страница 17: ... 1 22 17K470 CARTRIDGE heater 2 23 C34009 TRIGGER lock 1 24 15X116 PIN trigger 3 25 C19950 SCREW cap 3 26 15G020 HANGER 1 27 15G121 WASHER gun 1 28 065337 WIRE copper electric 1 29 115862 CONNECTOR male crimp Model 249515 1 Model 249513 1 30 C78160 TERMINAL 1 31 122340 SCREW shoulder socket hd 2 32 122337 SCREW cap socket button hd 5 33 124779 SCREW cap socket hd 2 34 108483 SCREW shoulder 1 35 C2...

Страница 18: ...hick x 2 in wide Sold by the foot C33049 Adhesive tape high temp for secur ing insulation C34137 1 in x 108 ft 198422 Wrap velcro 10 in x 10 in Covers electrical connection on heated hose 198442 Strap velcro Use two around ends of wrap 198422 for security Part No Description 15X385 Gun body repair kit ...

Страница 19: ...0 F 108 2 ohms 21 C Heater resistance Individually 890 ohms 70 ohms Wired in parallel 445 ohms 35ohms Weight Without swivel 2 7 lb With swivel 3 4 lb Without swivel 1 2 kg With swivel 1 5 kg Dimensions Height 7 5 in Width 3 0 in Length Models 249514 and 249515 9 0 in Models 249512 and 249513 10 5 in Height 191 mm Width 76 mm Length Models 249514 and 249515 229 mm Models 249512 and 249513 267 mm We...

Страница 20: ...n 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 warr...

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Graco 249512, Руководство по эксплуатации и запасным частям

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