Graco Glue Gun 242005 User Manual

Instructions  
Pro-Shot Grease  
Dispense Valve  
309032L  
EN  
For high pressure grease dispense. For professional use only.  
Model No. 242055, Series B, 1/4 npt Fluid Inlet  
Model No. 242056, Series B, 1/4 npt Fluid Inlet with Coupler  
Model No. 242057, Series B, 3/8 npt Fluid Inlet  
Model No. 242058, Series B, 3/8 npt Fluid Inlet with Coupler  
Model No. 24H399, Series A, 1/4-19 bspt Fluid Inlet  
Model No. 24H400, Series A, 1/4-19 bspt Fluid Inlet with Coupler  
Model No. 24H401, Series A, 3/8-19 bspt Fluid Inlet  
Model No. 24H402, Series A, 3/8-19 bspt Fluid Inlet with Couple  
Model No. 24H403, Series A, 1/4-19 bspp Fluid Inlet  
Model No. 24H404, Series A, 1/4-19 bspp Fluid Inlet with Coupler  
Model No. 24H405, Series A, 3/8-19 bspp Fluid Inlet  
Model No. 24H406, Series A, 3/8-19 bspp Fluid Inlet with Coupler  
8000 psi (55.2 MPa, 552 bar) Maximum Working  
Pressure  
Important Safety Instructions  
Read all warnings and instructions in this  
manual. Save these instructions.  
.
 
Operation  
Operation  
NOTE: If you suspect the dispensing valve, extension,  
or grease fitting coupler is clogged, or the pressure has  
not been fully relieved after following the previous steps,  
using a rag VERY SLOWLY loosen the coupler or hose  
end coupling and allow pressure to be relieved gradu-  
ally, then loosen the part completely then clear the clog.  
Pressure Relief Procedure  
Follow the Pressure Relief Procedure whenever  
you see this symbol.  
Adjustment  
This equipment stays pressurized until pressure is  
manually relieved. To help prevent serious injury from  
pressurized fluid, such as skin injection, splashing  
fluid and moving parts, follow the Pressure Relief  
Procedure when you stop spraying and before  
cleaning, checking, or servicing the equipment.  
The dispense valve provides positive control of high  
pressure lubricants. When supplied with air the pump  
will start when the valve is triggered and still stall against  
pressure when the trigger is released.  
1. Close the supply pump’s bleed-type master air valve  
(required in pneumatic systems).  
2. Open the dispensing valve until pressure is fully  
relieved.  
1. Relieve the pressure, see Pressure Relief Proce-  
dure.  
3. Open the fluid drain valve at the pump fluid outlet.  
Leave the drain valve open until you are ready to  
use the system again.  
2. To adjust the clearance, loosen the top nut (5, Fig 1)  
and turn the bottom nut (5) in or out as needed. To  
increase grease flow turn bottom nut in. To reduce  
grease flow turn bottom nut out. Hold the bottom nut  
in place and securely tight the top nut.  
7
Yoke  
5
Rod Guide  
11  
Torque 90 – 110 ft. lbs.  
FIG. 1  
309032L  
3
 
     
Service  
Service  
Refer to Parts Drawing, page 5, for following instruc-  
tions.  
9. Push plunger rod (15) through seal (4). Be careful;  
seat (14), ball (2), and copper gasket (6) will fall out  
bottom.  
10. Replace all parts included in service kit 243446.  
11. Reassemble valve.  
Disassembly  
1. Relieve the pressure. See Pressure Relief Proce-  
dure on page 3.  
To reduce the risk of serious injury after servicing  
valve, always make sure the valve is in the closed  
position with trigger released.  
2. Check all parts thoroughly when disassembling and  
carefully replace any worn or damaged parts.  
3. Remove bottom seat adapter (10) from grease fun  
body (9).  
12. With trigger in free position tighten bottom nut (5)  
until yoke bottoms out on rod guide (this is the max-  
imum flow setting. (FIG. 1) Back off nut approxi-  
mately 1/8 turn. Hold bottom nut in place and  
securely tighten top nut.  
4. Remove acorn nuts (1) and bolts (17) from trigger  
guard (12). Remove trigger guard (12).  
5. Remove outlet adapter (7).  
6. Remove hex nuts (5).  
13. If additional adjustment is desired, follow adjustment  
procedure on page 3.  
7. Remove yoke (16).  
14. For specific operational problems, see Trouble  
Shooting.  
8. Remove rod guide (18) from grease gun body (9).  
Troubleshooting  
Problem  
Cause  
Solution  
Damaged Ball  
Damaged Seat  
Out of Adjustment  
Missing Ball  
Install Service Kit  
Install Service Kit  
Grease Flows with trigger release  
Readjust, see Adjustment, page 3  
Install Service Kit  
Out of Adjustment  
Plugged Seat  
Readjust, see Adjustment, page 3  
Clean seat  
No grease flow when trigger pulled  
Grease is leaking out of bottom of gun  
Disassembled Plunger and Rod  
Loose Bottom Adapter  
Missing Copper Gasket  
Worn Copper Gasket  
Worn Seal in top of gun  
Worn plunger rod  
Reassemble  
Tighten adapter (FIG. 1)  
Install Service Kit  
Install Service Kit  
Install Service Kit  
Install Service Kit  
Replace guard  
Grease is leaking out of the top of gun  
Short seal life  
Bent guard  
Trigger will not move  
Bent pivot pin  
Install Service Kit  
Replace trigger  
Damaged handle  
4
309032L  
 
Parts  
Parts  
12  
17*  
18*  
1*  
6*  
2*  
14*  
6
4*  
5*  
16*  
15*  
8a  
9**  
10  
8b  
3*  
7
11  
Ref. Part  
Description  
Qty.  
Ref. Part  
Description  
NUT, self-locking, 10-32  
BALL, carbide  
SPRING, compression  
SEAL  
NUT, hex, 10-32  
GASKET, copper  
Qty.  
16G884 ADAPTER, 1/4”-19 bspt, seat,  
model 24H399 and 24H400  
16G885 ADAPTER, 1/4”-19 bspp, seat,  
model 24H403 and 24H404  
16G886 ADAPTER, 3/8”-19 bspt, seat,  
model 24H401 and 24H402  
16G887 ADAPTER, 3/8”-19 bspp, seat,  
model 24H405 and 24H406  
1
1
2
3
4
5
6
7
8
2
1
1
1
2
2
1
1
1
1
1
196783 ADAPTER, outlet, 1/8 npt  
200389 NOZZLE  
Includes items 8a and 8b, model  
242056 and 242058 only  
TUBE, adapter (not sold sepa-  
rately)  
11  
12  
14  
15  
16  
17  
18  
196999 TRIGGER  
195612 GUARD, trigger  
1
1
1
1
1
2
1
8a  
8b  
1
1
SEAT, valve  
PLUNGER/ROD ASSEMBLY  
YOKE  
SHAFT, pivot  
GUIDE, rod  
200325 COUPLER, model 242056 and  
242058 only  
BODY, grease gun  
195610 ADAPTER, 1/4” npt, seat, model  
242055 and 242056  
195620 ADAPTER, 3/8” npt, seat, model  
242057 and 242058  
9**  
10  
1
1
** Not available  
† Parts included in Kit 243446 (purchase separately).  
1
Technical Data  
.
Pro-Shot Grease Dispense Valve  
US  
Metric  
55.2 MPa, 552 bar  
1/4” or 3/8”  
Chrome Vanadium, Polyurethane, Brass, Carbon Steel, Alloy Steel  
Maximum fluid working pressure  
Inlet Size  
8000 psi  
Wetted Parts  
309032L  
5
 
 
Graco Standard Warranty  
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in  
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty  
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by  
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of  
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with  
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or  
maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective 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 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 warranty shall be as set forth above. The buyer agrees that no other remedy  
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or  
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT  
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to  
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these  
warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or  
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the  
negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,  
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la  
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite  
de ou en rapport, directement ou indirectement, avec les procédures concernées.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Phone: 612-623-6928 or Toll Free: 1-800-533-9655, Fax: 612-378-3590  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original instructions. This manual contains English. MM 309032  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 1999, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revised December 2012  
 

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