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DeLuxe Stitcher DB75V Manual

Loop stitching heads
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WA R N I N G !
DB75V Loop
Stitching Heads
Machine operators and others in the work area should always wear
safety glasses to prevent serious eye injury from
fasteners and flying debris when loading, operating,
or unloading the stitcher machine.
Do not operate this stitcher head without all stitcher machine
guards in place. Do not modify the guards in any way.
Always disconnect the power supply before removing
any guards for servicing.
Never operate the machine with wire feeding through
the head unless there is stock above the clinchers,
otherwise serious damage may result.
Always turn power off when making adjustments. Always
disconnect the power cord before any disassembly work.
EYEWEAR
REQUIRED
1

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Summary of Contents for DeLuxe Stitcher DB75V

  • Page 1 WA R N I N G ! DB75V Loop Stitching Heads Machine operators and others in the work area should always wear safety glasses to prevent serious eye injury from fasteners and flying debris when loading, operating, or unloading the stitcher machine.

  • Page 3: Table Of Contents

    Table of Contents Introduction ......................4 Specifications .....................5 Installation .......................6 Pre-Inspection ................6 Inspection ..................6 Mounting ..................6-8 Assembly ..................9 Operation ......................9 Wire Threading ................9-10 Wire Straightening ................11 Adjustments and Settings ............12-14 Maintenance ......................14 Lubrication ..................14 How to Order Spare Parts .............16 Troubleshooting ....................17 Formed Staple Chart ..............18...

  • Page 4: Introduction

    The DeLuxe Stitcher Müller-Martini Replacement Heads, along with a complete line of fully interchangeable replacement parts are available for current Müller-Martini users. Anywhere the HK75V is utilized the DeLuxe Stitcher DB75VHDL can be used. The DB75VHDL has a stitching capacity from 2 sheets up to 3mm (.118”) and will accommodate 25 gauge round wire.

  • Page 5: Specifications

    Specifications Weight Shipping Weight ....10 lbs (4.5 kg) Box Dimensions ....21" x 10" x 7" (53 x 25 x 18 cm) Stitcher Head DB75VHDL .

  • Page 6: Installation

    Müller-Martini Stitchers. If the container is broken or damaged and there is evidence that the stitcher head may be damaged, immediately 077030 (DB75) or notify the carrier who delivered the head and the 077030C (DB75V/VS) DeLuxe Stitcher Graphic Arts Representative from whom the head was purchased. G20362 (5 mm) G20373...
  • Page 7 Washer 071006 (2) Wire Guide Spring 070286 Screw 072017 (2) Figure 4 - Attaching the Driver Slide Wire Guide Spring 070151A or 070551A Feed Release 070118 Bender Slide 070162A or 070562A Feed Release Handle Bonnet Rail 070119 Lock Washer Bonnet Key G20520 Mounting Strap Mounting...
  • Page 8 Mounting the Clincher Plate (Figure 5 & 6) Figure 5 - Mounting Clincher Plate Assembly Clincher Points 077015 (2) Clincher Slide 077014 or 077029C Figure 6 - Aligning Clincher Plate Assembly Mounting Screws Clincher Mounting 072012 (2) 077016 Clincher Front Plate 077018 Clincher Front...

  • Page 9: Operation

    Operation Wire Threading (Figure 7-8) Figure 7 - Wire Threading Wire Guide Spring 070286 Feed Release Handle 070119 Wire Small Feed Gear 070112 Wire Oiler Felts G20293 Wire Nozzle 070181 ENGAGE GEARS Large Feed Gear 070510A DISENGAGE GEARS Retaining Spring WIRE TUBE Screw 070544...
  • Page 10 Before the Stitcher Machine is turned on, release the Wire Holder Assembly [070135A] (Not shown-See Fig. 7) secured by the Wire Holder Retaining Spring [070183 or 070583] by loosening the Screw [072004] on the front of the head. Thread the wire from the Spool under the studs on the Wire Guide Spring (070286), between the Wire Oiler Felts [G20293] on the Spring and into the Wire Nozzle [070181].

  • Page 11: Wire Straightening

    Wire Straightening (Figure 9) Once threaded, cycle the Stitcher Machine and watch Good the wire feeding out of the the Cutter Box [070197A or 070597A] to the right of the WIRE TRAVEL Moving Cutter [070145C]. The wire should be traveling CUTTER BOX in an approximate horizontal direction when exiting the...

  • Page 12: Adjustments And Settings

    Adjusting the Length of the Right Leg (Figure 10-12) Setting the Stitch’s Right Leg (& Setting It's Center) If after a few stitches, the length of the stitch’s right leg is too short or too long, you will need to make adjustments.
  • Page 13 Power on the Stitcher Machine and jog the Stitcher to observe the length of the stitch’s right leg after the initial adjustment. Continue to make adjustments and re-test the Head until the length of the stitch’s right leg is satisfactory. When set, any one of the stitches below are regarded as good stitches with the two on the left needing the next step in adjustment and the two on the right as properly set (with amount of gap a matter of preference).

  • Page 14: Maintenance

    Adjusting the Clincher Points (Figure 14) If the clinch on the staple is not tight enough, the Clincher Points [077015] have to be raised. Conversely, if the clinch is too tight, the Clincher Points have to be lowered. This adjustment is made on the Stitcher Machine and so cannot be completely explained in this manual as each individual Machine Driver...
  • Page 15 1. At the top of the Bonnet [070000 or 070500] on either side of the Driver Slide [070551A or 070151A] and Bender Slide [070162A or 070562A]. 2. In the hole of the Feed Cam Plunger Bushing [077010]. 3. On the shaft of the Feed Release Cam Assy.

  • Page 16: How To Order Spare Parts

    Then locate the DeLuxe Stitcher part number and contact your Graphic Arts Representative to order the part by the part number, DELUXE STITCHER 800-634-0810 solving your wire stitching needs for 125 years...

  • Page 17: Troubleshooting

    Troubleshooting (Figure 17) The quality and quantity of work that can be produced with the Müller Replacement Head is dependent upon the operator making all adjustments as accurately as possible and carefully maintaining the head. The cause of staple imperfections usually can be traced to inaccurate settings or normal wear of moving parts.

  • Page 18: Formed Staple Chart

    : Right Leg Short problem : Move the Feed Gear Stop to the right, slightly. solution (See page 11) : Right leg Long problem : Move the Feed Gear Stop to the left, slightly. solution (See page 11) : Corner Buckled problem : Check the Driver for a chipped corner and rotate or replace it solution...

  • Page 19: Appendices

    Bonnet & Wire Guide Sub-Assemblies 070286 G20297 077010 070181 G20292 074004 G20293 077027B 077009 G20287 070230 071006 072017 G20298 G20195 073002 070118 073006 073010 071004 090500 070112 072013 070119 070544 072009 070244...
  • Page 20 Compression Spring 077009 0881.0032.4 Feed Cam Plunger 077010 0881.0035.4 Feed Cam Plunger Bushing 090500 0249.1072.2 Bonnet 077027B 0881.0325.4 Mounting Strap, DB75V G20195 0030.1725 Screw M6x1x8 G20287 0034.2254 Wire Oiler Felt Spring G20292 0881.0302.4 Wire Oil Felt Washer G20293 0881.0303.4 Wire Oiler Felt G20297 0030.3494...
  • Page 21 Bonnet & Supporter Sub-Assemblies G20589 071005 070720 073005 070186 070114 PW10.6 090500 G20520 072004 070719 UA3808.1 073007 090183 090025 072010 Bonnet & Supporter Sub-Assemblies DELUXE PART MÜLLER PART NUMBER PART QTY. NUMBER CROSS REFERENCE DESCRIPTION 070114 0881.0008.4 Feed Gear Shaft 070186 0034.6301 Friction Strip...
  • Page 22 Bender & Driver Inserts 090147A 070551A (w/ 077004 Shaft installed) 072019 072015 071002 073003 090314-23 090550R-23 090024 090548L-23 071005 074003 072001 090023 DELUXE PART MÜLLER PART NUMBER PART QTY. NUMBER CROSS REFERENCE DESCRIPTION 071002 0023.0931 Washer, Shim 071005 0031.5104 Lock Washer Ribbed, 4mm 072001 0030.0016 Screw M4x0.7x8...
  • Page 23 Cutter Box Assembly G20589 070598 071005 070210 070145C 077026 G20589 072014 071005 070206A TO 090500 BONNET 073004 072006 070597A (w/ 073004 Pin installed) 070600C G20229 071008 G20520 Cutter Box Assembly DELUXE PART MÜLLER PART NUMBER PART QTY. NUMBER CROSS REFERENCE DESCRIPTION 070210 0034.2252...
  • Page 24 073001 0031.0757 E-Ring 074002 0034.0302 Extension Spring 077001 0881.001.4 Feed Operating Lever Assem. 077007 0881.0022.4 Set Collar MMKFG2 Kit - DB75V Feed Gear 070510A* 0881.0308.3DB Feed Gear, Large 070511A* 0881.0304.4DB Feed Gear Pinion Assembly 070537* 0881.0330.4DB Feed Gear Clu tch...
  • Page 25 090301A 0249.1079.3 Wire Holder G20626 090318 090330 OSK104-2 090310 090311 G20226 072001 090312 090303 090313 090113 090304 090331 090309 072010 090305 090307 090113B 090301A 0249.1079.3 Wire Holder DELUXE PART MÜLLER PART NUMBER PART QTY. NUMBER CROSS REFERENCE DESCRIPTION 072001 0030.0016 Screw M4x0.7x8 072010 0030.3447...
  • Page 26 Clincher Plate Assemblies 077030 or 077030C (Carbide) 077018-2 077017 077018 (Optional Solid Clincher) (w/ 077018-2 Pins 077016 installed) 077030 or 077030C (Carbide) 077015 077019 2.0in 50mm 2.6in 65mm 077014 or 077029C (Carbide) Standard Clincher Plate G20520 072012 SHADED PART NUMBERS DENOTES WEAR PARTS 077030 0881.9050 Clincher Plate Assembly DELUXE PART...
  • Page 27 Clincher Plate Assemblies cont’d 070830A 070831 077015 071006 072021 070835 070830A 070833 070832 2.0in 4.8in 4.1i G20520 50mm 122mm 103m 072020 2.6in 5.3in 65mm 135mm Used on Bravo/Prima machines After 2004, used on all Optima & Supra machines 070830A Clincher Plate Assembly-CARBIDE DELUXE PART MÜLLER PART NUMBER PART...
  • Page 28 Clincher Plate Assemblies cont’d SHADED PART NUMBERS DENOTES WEAR PARTS 070850A 070851 077015 070855 070852 070857 070850A 070853 4.8in 4.1in 122mm 103mm 2.6in 5.3in 4.2in 65mm 135mm 108mm G20520 072013 Used on all Presto & Valore machines Used on Minuteman (1509) machines built after Jan.

  • Page 29: Notes

    Notes:...

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