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Repair 

 
 

HM-2600 Hotmelt Jet 

Maintenance and Repair

 

 

3A6328A 

Diaphragm-Jet

 Technology

 

EN

 

 

For non-contact dispensing of hot melt material in industrial environments. 
For professional use only. 
 
Kits – 

See page 3 for kits information  

 

 

Important Safety Instructions 

Read all warnings and instructions in this manual and all related 
manuals before using this equipment. Save these instructions. 

 

 

Model 25B315

 

 
 

PROVEN QUALITY. LEADING TECHNOLOGY. 

Summary of Contents for HM-2600

Page 1: ... of hot melt material in industrial environments For professional use only Kits See page 3 for kits information Important Safety Instructions Read all warnings and instructions in this manual and all related manuals before using this equipment Save these instructions Model 25B315 PROVEN QUALITY LEADING TECHNOLOGY ...

Page 2: ...Top Cover and Heater Block 14 2 5 1 Remove the Top Cover Screws 14 2 5 2 Detach the Top Cover 14 2 5 3 Remove the Melter Assembly 14 2 5 4 Remove the Nozzle Plate Screws 14 2 5 5 Remove the Heater Assembly HK 2600 only 14 2 6 Remove Spacer Assembly 15 2 6 1 Remove the Spacer 15 2 6 2 Remove the Air Cylinder 15 2 6 3 Remove the Air Valve Mount and Silencer 15 2 7 Check for Parts Set Aside 16 3 INST...

Page 3: ...the Jet 23 3 7 1 Insert the Nozzle Plate Screws 23 3 7 2 Position the Melter Assembly 23 3 7 3 Position the Top Cover 23 3 7 4 Attach Top Cover 23 3 7 5 Connect the Melter 23 3 7 6 Install Feed Tube Spacer 23 3 7 7 Attach Upper Feed Tube Enclosure 23 3 7 8 Tuck the Cables 24 3 7 9 Trim the Cables 24 3 7 10 Connect the Air Valve 24 3 7 11 Position Mounting Plate 24 3 7 12 Attach the Mounting Plate ...

Page 4: ... Manuals are available at www graco com Component manuals below are in English Part Number Manual 3A6327 HM 2600 Hotmelt Jet Setup and Operation 3A6166 HM 2600C Hotmelt Jet Controller Setup and Operation 3A5937 Jet Dispensing Parameters Supplement 3A5908 Jet Maintenance Tool Kits Page 4 of 28 Advanjet HM 2600 Hotmelt Jet Maintenance and Repair 3A6328A ...

Page 5: ...njury hearing loss inhalation of toxic fumes and burns Protective equipment includes but is not limited to Protective eyewear and hearing protection Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not ex...

Page 6: ...ylinder lever shoulder bolt main air valve muffler and heater block assembly This document describes procedures for installing the HM 2600 jet maintenance kits Whenever the jet hammer spring is removed as in these maintenance kits the jet hammer gap must be set before dispensing can proceed The gap set fixture and specific tools required for this procedure are included in the Advanjet Jet Maintena...

Page 7: ...00 STANDARD 40W HEATER BLOCK 03 2214 02 HEATER CABLE 06 1043 00 HEATER BLOCK SCREWS 2 M3 X 25 FHMS and JET SPRING P N 60 2102 WASHER P N 60 2116 HEATER SEAL P N 03 2261 00 BUSHING P N 03 2162 00 3A6328A Advanjet HM 2600 Hotmelt Jet Maintenance and Repair Page 7 of 28 ...

Page 8: ...0 2105 MAIN AIR JET HAMMER CYLINDER ASSEMBLY P N 60 2266 SILENCER P N 60 2107 LEVER P N 03 2281 00 PIVOT BOLT P N 60 2104 HEATER SEAL P N 03 2261 00 WASHER P N 60 2116 JET SPRING P N 60 2102 BUSHING P N 03 2162 00 Page 8 of 28 Advanjet HM 2600 Hotmelt Jet Maintenance and Repair 3A6328A ...

Page 9: ... N 60 2293 0 050 in hex wrench P N 60 2294 Torque tool P N 60 2264 Awl P N 60 2296 Gap Set Fixture P N 90 0010 Other Tools 1 Phillips screwdriver 2 Phillips screwdriver 2 5 mm hex wrench 3 mm hex wrench 9 in 150 mm adjustable wrench 13 mm open end wrench 3A6328A Advanjet HM 2600 Hotmelt Jet Maintenance and Repair Page 9 of 28 ...

Page 10: ...t Controller Setup and Operation manual 3A6166 The extent of jet disassembly depends on which kits are being installed For all repair kits remove and keep Nozzle plate and two screws with two washers each Top cover and two screws Mounting plate and two screws For the Bushing and Heater Kits BK 2001 and HK 2600 Detach the Heater Block keep for BK 2001 discard for HK 2600 Remove and discard the heat...

Page 11: ...2 2 Disassembled Jet Melter Cover Removed 3A6328A Advanjet HM 2600 Hotmelt Jet Maintenance and Repair Page 11 of 28 ...

Page 12: ...Receiver Head Loosen the receiver head thumbscrews and remove the receiver head 2 3 3 Remove the Syringe Loosen the luer lock securing the feed tube 2 3 4 Remove the Feed Tube Enclosure Loosen the thumbscrew securing the lower feed tube enclosure Use the 2 5 mm driver to remove and set aside the two screws securing the upper feed tube enclosure Detach the luer from the feed tube Keep luer to clean...

Page 13: ...ng the 3 mm driver remove and set aside the four screws securing the dovetail plate 2 4 3 Remove the Mounting Plate Using the 3 mm driver remove and set aside the three screws securing the mounting plate 2 4 4 Disconnect Heater Block Use the 1 PH to remove and set aside the two screws securing the heater block Remove and discard the heater seal and washer and the jet compression spring 2 4 5 Remov...

Page 14: ...jet cable remove the melter assembly and set aside 2 5 4 Remove the Nozzle Plate Screws The loosened nozzle plate screws were captured in place by the melter holder After the melter holder is removed from the top cover remove and set aside the nozzle plate screws To replace the heater block continue to step 2 5 5 To keep the heater block skip to step 2 6 1 2 5 5 Remove the Heater Assembly HK 2600 ...

Page 15: ...o loosen the setscrew that locks the main air cylinder Use the 13 mm wrench to remove and discard the air cylinder 2 6 3 Remove the Air Valve Mount and Silencer Use the 3 mm driver to remove and set aside the screws securing the valve mount to the jet body If still attached use a 1PH to loosen the screw on the jet cable connector Loosen screws attaching the air valve to the valve mount Remove and ...

Page 16: ...URE 2 M3 X 14 SHCS MELTER COVER 4 M4 X 8 BHCS DOVETAIL PLATE 4 M4 X 10 SHCS MOUNTING PLATE 2 M4 X 10 SHCS NOZZLE PLATE 2 M4 X 55 SHCS TOP COVER 2 M4 X 40 SHCS HEATER BLOCK 2 M3 X 20 FHMS SPACER 1 M3 X 16 2 M3 X 25 SHUTOFF SPRING JET VALVE MOUNT 2 M4 X 20 SHCS Page 16 of 28 Advanjet HM 2600 Hotmelt Jet Maintenance and Repair 3A6328A ...

Page 17: ...ever Install the pivot shoulder bolt Reassemble the Heater Block Install the heater seal washer and hammer spring Install the bushing Align and attach heater block Attach the Valve Mount Optional Replace Melter Cable Reassemble the Jet Insert nozzle plate screws Position and attach melter assembly and top cover Tuck cables Attach air valve connector Attach the mounting plate Attach the dovetail pl...

Page 18: ... amount of Loctite 242 to the new muffler and install into the valve mount The fit should be snug but not so tight that it crushes the rubber washer 3 2 3 Install the Air Cylinder Install the new air cylinder and use the 13 mm wrench to tighten the cylinder in place until it hard stops 3 2 4 Tighten the Air Cylinder Setscrew Apply a small amount of Loctite 242 to the setscrew and use the 2 mm hex ...

Page 19: ... the spacer closed and install the spacer screws 3 3 4 Align the Lever with the Shoulder Bolt Use an awl to line up the hole for the pivot shoulder bolt with the hole in the lever Insert the 2 mm driver from the opposite side and line it up with the awl Push out the awl with the driver 3 3 5 Install the Shoulder Bolt Apply a light coating of Loctite 242 to the threads of the pivot bolt and wipe of...

Page 20: ... use a wooden cotton swab to push the new bearing into place leaving any existing lubricant in place 3 4 4 Position Heater Block Align the pins in the heater block with the heater seal as shown 3 4 5 Attach Heater Block Locate the two heater block screws that were set aside Apply Loctite 242 to the tips of both screws and attach the heater block 3 4 6 Optional Connect New Heater Block If using the...

Page 21: ... Screws Locate the two valve mount screws that were set aside Apply Loctite 242 to the tips and attach to the jet body To reinstall the melter using the same cable skip to Step 3 7 To install a new melter cable Advanjet P N 06 1042 00 continue to Step 3 6 3A6328A Advanjet HM 2600 Hotmelt Jet Maintenance and Repair Page 21 of 28 ...

Page 22: ...melter that has two setscrews in the upper slot The RTD cartridge is inserted on the side of the melter that has two setscrews in the lower slot 3 6 5 Optional Install Cartridges and Tighten Setscrews Insert the cartridge up to the edge of the heat shrink Apply a small amount of Loctite to the threads of the cartridge setscrews Wipe off excess Use a 2 mm hex wrench to tighten the setscrews just un...

Page 23: ...of the top cover screws Carefully insert top cover screws through the melter holder into the jet body and use the 3 mm hex wrench to tighten 3 7 5 Connect the Melter Attach the melter cable and jet heater cable connector to the jet cable 3 7 6 Install Feed Tube Spacer Position the hole in the spacer over the notch in the upper feed tube enclosure The luer lock thumbscrew passes through this openin...

Page 24: ...screw NOTICE Over tightening can easily break this plastic 3 7 11 Position Mounting Plate Use the alignment pins to position the mounting plate Take care that the cables are not pinched between the mounting plate and manifold 3 7 12 Attach the Mounting Plate Locate the three mounting plate screws that were set aside Apply Loctite 242 to the tips and attach as shown 3 7 13 Attach the Dovetail Plate...

Page 25: ...re is a sensitive calibration tool for maintaining the jet Except for calibrating the tool to zero and taking the measurement the tip protector should remain in place at all times Without the tip protector in place the tip can be easily damaged which would result in inaccurate measurements TIP PROTECTOR 0 050 IN HEX WRENCH 3A6328A Advanjet HM 2600 Hotmelt Jet Maintenance and Repair Page 25 of 28 ...

Page 26: ...ead 0 300 If large hand does not read zero Loosen the bezel lock Rotate the outside bezel until the large hand needle is aligned with zero Tighten the bezel lock Replace the tip protector 4 2 3 Remove the Zeroing Plate Loosen the two thumbscrews securing the zeroing plate 4 2 4 Attach the Jet With the mounting plate facing up use the nozzle plate screws and the torque tool to secure the jet body t...

Page 27: ...tween 0 100 and 0 200 The large hand is at 0 036 The reading would be 0 136 4 4 Adjust the Gap For most hotmelt applications the recommended hammer gap is 0 110 inches the optimal position will depend on the jetting material and dispensing requirements If an adjustment is necessary turn the adjustment setscrew with the hex wrench until the preferred value is displayed on the dial Cycle the jet sev...

Page 28: ...tial 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 m...

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