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GUSMER 2943J-1-D Operating Manual Download Page 3

Operating Manual

Contents

5/5/97

3

 LIST OF FIGURES

F

IGURE 

1.  M

ODEL 

D S

PRAY 

G

UN 

C

OMPONENTS

..................................................................... 8

F

IGURE 

2. T

OOL 

K

IT

............................................................................................................ 10

F

IGURE 

3. V

ALVING 

R

OD 

(C

LOSED 

P

OSITION

) ....................................................................... 11

F

IGURE 

4. V

ALVING 

R

OD 

(O

PEN 

P

OSITION

) ........................................................................... 11

F

IGURE 

5. F

RICTION 

L

OCK

................................................................................................... 11

F

IGURE 

6. A

IR 

N

EEDLE 

V

ALVE

............................................................................................. 11

F

IGURE 

7. F

ELT 

W

IPER 

(A

DJUSTMENT

) ................................................................................. 12

F

IGURE 

8. F

ELT 

W

IPER 

(

SERVICE

) ......................................................................................... 12

F

IGURE 

9. P

OINT OF 

V

ALVING

.............................................................................................. 13

F

IGURE 

10. O

PENING THE 

P

ATTERN

...................................................................................... 13

F

IGURE 

11. D

ESIRED 

P

ATTERN

............................................................................................. 14

F

IGURE 

12. S

PLIT 

P

ATTERN

.................................................................................................. 14

F

IGURE 

13. M

ANUAL 

V

ALVES

............................................................................................... 18

F

IGURE 

14. C

HECK 

V

ALVES

.................................................................................................. 18

F

IGURE 

15. C

LEANOUT 

P

ORTS

.............................................................................................. 19

F

IGURE 

16. V

ALVING 

R

OD AND 

A

DJUSTMENT 

S

CREW

............................................................ 19

F

IGURE 

17. C

LEANOUT 

P

ORTS

.............................................................................................. 19

F

IGURE 

18. S

CREEN 

S

CREW 

A

SSY 

M

OUNTING 

S

CREW

............................................................ 20

F

IGURE 

19. A

IR 

C

AP

............................................................................................................ 21

F

IGURE 

20. V

ALVING 

R

OD 

R

EMOVAL

.................................................................................... 21

F

IGURE 

21. V

ALVING 

R

OD

.................................................................................................... 22

F

IGURE 

22. C

OUPLING 

B

LOCK 

M

OUNTING 

S

CREW

................................................................. 22

F

IGURE 

23. G

UN 

B

LOCK 

M

OUNTING 

S

CREW

.......................................................................... 22

F

IGURE 

24. M

IXING 

C

HAMBER 

R

EMOVAL

.............................................................................. 23

F

IGURE 

25. C

HECK 

V

ALVE

................................................................................................... 23

F

IGURE 

26. S

LEEVE 

R

EMOVAL 

B

LOCK

................................................................................... 24

F

IGURE 

27. M

IXING 

C

HAMBER

............................................................................................. 25

F

IGURE 

28. M

IXING 

C

HAMBER 

L

OCATION

............................................................................. 25

F

IGURE 

29. M

IXING 

C

HAMBER 

I

NSERTION

............................................................................ 26

F

IGURE 

30. V

ALVING 

R

OD 

P

OSITIONER

................................................................................. 26

F

IGURE 

31. L

EAKAGE 

A

REAS

................................................................................................ 31

LIST OF TABLES

T

ABLE 

1.  C

HAMBER 

O

PERATING 

C

HART FOR 

A

DJUSTMENT OF THE 

V

ALVING 

R

OD

................. 33

Summary of Contents for 2943J-1-D

Page 1: ...of Gusmer Machinery Group Inc One Gusmer Drive Lakewood New Jersey USA 08701 8055 Toll Free 1 800 367 4767 USA Canada Phone 732 370 9000 Fax 732 905 8968 Copyright 1999 GUSMER CORPORATION http www gus...

Page 2: ...15 MAINTENANCE 18 MAINTENANCE PROCEDURES 18 Cleaning Injection Slots 18 Gun Screen Maintenance 20 Expanded Disassembly and Cleaning Procedures 21 Expanded Assembly Procedures 25 TROUBLESHOOTING 28 INT...

Page 3: ...ECK VALVES 18 FIGURE 15 CLEANOUT PORTS 19 FIGURE 16 VALVING ROD AND ADJUSTMENT SCREW 19 FIGURE 17 CLEANOUT PORTS 19 FIGURE 18 SCREEN SCREW ASSY MOUNTING SCREW 20 FIGURE 19 AIR CAP 21 FIGURE 20 VALVING...

Page 4: ...pair Disposition of Product will be done in accordance with the terms stated on the written estimate The warranty provisions applied to Product that are not manufactured by GUSMER will be solely in ac...

Page 5: ...ation contained in this manual to their specific operation and requirements There should be no assumption made that the safety measures and instructions contained herein are all inclusive and that oth...

Page 6: ...nel HIGH PRESSURE The Power Pack system can develop pressures up to 3 000 pounds per square inch Anyone using a spray gun or mix head must use extreme caution to insure the gun or head is never pointe...

Page 7: ...OTHERWISE SERVICE THE EQUIPMENT BEFORE SWITCHING OFF THE MAIN POWER DISCONNECT AND INTERRUPTING SUPPLY VOLTAGE AT THE SOURCE ELECTRICAL SERVICE MUST BE INSTALLED BY A QUALIFIED ELECTRICIAN hydraulic...

Page 8: ...g Rod Adjustment Screw 2 Manual Valves 3 Friction Lock 4 Valving Rod Closure Spring 5 Valving Rod Stop Bar 6 Valving Rod Positioner 7 Gun Block Mounting Screw 8 Gun Block 9 Valving Rod 10 Trigger 11 A...

Page 9: ...he chemicals or solvents used in or with this equipment Approved safety glasses must always be worn when servicing or operating the equipment APPLICATION Due to the potential fire hazard of exposed ur...

Page 10: ...en sticks 1 Flush Can 2 4 oz Ballpein Hammer 3 Allen Key Set 4 Utility Knife 5 Mixing Chamber Knockout tool 6 Mixing Chamber Insertion Block 7 Pliers 8 6 Inch Adjustable Wrench 9 5 16 Spintite 10 Scre...

Page 11: ...nd will be further adjusted to match the particular size mixing chamber in use Determine that both manual valves are closed then actuate the trigger and note that the tip of the valving rod does not m...

Page 12: ...d pressures balanced 7 CHECK VALVING ROD MOVEMENT determine that the manual valves are closed then actuate the trigger several times and observe that the valving rod moves freely WARNING DETERMINE THA...

Page 13: ...en the chemical stream mists as shown you have reached the point of valving Notice the position of the notch in the hex head of the V R Figure 9 Point of Valving adjustment screw Now back the screw ou...

Page 14: ...spray pressure is not correct If upon reaching the maximum number of turns out from the point of valving the pattern remains closed the material temperature is too low If the pattern splits or has a...

Page 15: ...it has make the appropriate adjustment on the temperature control to correct it c Check the primary heater temperature and make the necessary adjustments to correct any deviation from that desired d...

Page 16: ...valving rod should be cleaned If the gun had been used extensively before the break it would be a good idea to check the screen in the gun block as described below If the screen shows an appreciable b...

Page 17: ...ver the open end of the air cylinder and press the trigger to withdraw the valving rod Look for and remove any gummy or hardened deposits on the valving rod The portion of the rod that penetrates into...

Page 18: ...will not only avoid faulty operation but enjoy the full performance capabilities of the Model D Spray Gun Cleaning Injection Slots It may become necessary to clean the injection slots in the mixing c...

Page 19: ...pin vise 6 CLEAN INJECTION SLOT depress the trigger and hold to move the valving rod to the open position Insert the cleanout spade into the cleanout hole and mixing chamber slot s Figure 17 Cleanout...

Page 20: ...2 REMOVE SCREEN SCREW ASSEMBLY use the 5 16 spintite to remove the screen Slide the screen screw assembly out of the gun block allowing the excess isocyanate material to drain Flush the assembly and...

Page 21: ...sed to clean either of these parts otherwise damage may result 1 CLOSE BOTH MANUAL VALVES 2 REMOVE SCREEN SCREW ASSEMBLY flush the assembly and place it in gun cleaner 3 REMOVE CHECK VALVES flush and...

Page 22: ...n from the cylinder Figure 21 Valving Rod 7 REMOVE GUN FROM THE COUPLING BLOCK disconnect the air supply from the gun Use the 5 16 spintite to remove the coupling block mounting screw Separate the gun...

Page 23: ...erclockwise If dirt or material build up prevents complete removal of the spring screw it back in Figure 25 Check Valve soak the assembly in gun cleaner and try to remove it again If the ball and spri...

Page 24: ...tool has been included in the tool box To remove the sleeve merely insert the threaded end of the tool into the cleanout port and while pressing the tool into the gun block turn it clockwise several t...

Page 25: ...of the chamber pieces determine that the brass retaining sleeve has not stuck to the felt wiper Insert the chamber into the gun block using care to align the keyway machined into the chamber with the...

Page 26: ...er and guide it through the center of the felt wiper retainer mounted on the back of the chamber Using firm pressure carefully push the valving rod into the mixing chamber until the piston of the air...

Page 27: ...LVING ROD determine that the manual valves are closed Actuate the trigger several times and observe that the valving rod moves freely 15 OPEN BOTH MANUAL VALVES AND CHECK GUN BLOCK FOR CHEMICAL WEEPAG...

Page 28: ...ature to the operator B KNOWLEDGE OF WORKING PARTS this manual has been prepared to fulfill this requirement If you did not take time out to thoroughly read it you should There is no need to memorize...

Page 29: ...wo liquids in the gun If they are in the proper ratio under sufficient pressure and at the proper temperature the gun will dispense a quality product The object of producing foam is to combine the two...

Page 30: ...he gun screen if on the isocyanate side 3 Check the condition of the check valve Clean or replace any of the above components as required Poor Pattern Development A poor pattern will result from any o...

Page 31: ...l to metal seats Leakage will occur if these seats are scratched damaged or contain a buildup of reacted material 3 The mixing chamber seals in the gun block by a tapered fit Leakage will occur if the...

Page 32: ...2 to 3 1 4 pounds 9 to 1 5 kg m 46 810 For the same uses as the 46 800 above the 46 810 has an increased output of approximately 3 to 4 1 2 pounds 1 4 to 2 0 kg m 55 776 Designed for stud areas of tru...

Page 33: ...n 46 800 1 2 turn 2 turns 12 in 304 8 mm 6 in 152 4 mm 46 810 1 2 turn 2 turns 12 in 304 8 mm 6 in 152 4 mm 55 776 1 3 4 turns 2 5 8 turns 18 to 20 in 457 2 to 508 mm 8 in 203 2 to 228 6 mm 62 2 turns...

Page 34: ...in injury to the operator and or damage to the gun Abbreviated Start up Procedures 1 Insure that the valving rod protrudes 1 32 in 1 mm beyond the tip of the mixing chamber 2 Set the valving rod adju...

Page 35: ...eanout and screen ports in the block 8 Re assemble the gun 9 Disconnect air to the gun Daily Shutdown Complete steps 1 to 9 in previous section 10 Remove the gun from the coupling block 11 Press the t...

Page 36: ...mixing chamber into place 5 Mount the gun block onto the gun frame 6 Replace the valving rod assembly 7 Replace the valving rod closure spring and the spring retainer case 8 Replace the check valves...

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