Laguna Tools MWW51 Pro Manual
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Laguna Tools MWW51 Pro Manual

Laguna Tools MWW51 Pro Manual

51" wide belt sander
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PRO SERIES 51" WIDE
BELT SANDER MANUAL
LAGUNA TOOLS
2072 Alton Parkway
Irvine, California 92606
Ph: 800.234.1976
www.lagunatools.com
© 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved.

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  • Page 1 PRO SERIES 51" WIDE BELT SANDER MANUAL LAGUNA TOOLS 2072 Alton Parkway Irvine, California 92606 Ph: 800.234.1976 www.lagunatools.com © 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved.

  • Page 3: Table Of Contents

    Table of contents Page number Safety Rules Warranty Noise emission Specification sheet Receiving your wide belt sander Introduction to your wide belt sander What you will receive. Parts of the wide belt sander Where to locate your wide belt sander Unpacking your wide belt sander Assembly and setup Adjusting the wide belt sander...

  • Page 4: Safety Rules

    Safety Rules. As with all machinery, there are certain hazards involved with the operation and use. Using it with caution will considerably lessen the possibility of personal injury. However, if normal safety precautions are overlooked or ignored, personal injury to the operator may result. If you have any questions relative to the installation and operation, do not use the equipment until you have contacted your supplying distributor.

  • Page 5: Warranty

    Machines sold through dealers must be registered with Laguna Tools within 30 days of purchase to be covered by this warranty. Laguna Tools guarantees all new machines and accessories sold to be free of manufacturers’...

  • Page 6: Noise Emission

    Noise emission. Notes concerning noise emission. Given that there exists a relationship between noise level and exposure times, it is not precise enough to determine the need for supplementary precautions. The factors affecting the true level of exposure to operators are clearly the amount of time exposed, the characteristics of the working environment, such as other sources of dust and noise –...

  • Page 7: Receiving Your Wide Belt Sander

    All damage must be noted on the delivery documents and signed by you and the delivery driver. You must then contact the seller (Laguna Tools) as soon as practical. If damage is found after delivery, contact the seller as soon as is practical.

  • Page 8: Introduction To Your Wide Belt Sander

    Introduction to your wide belt sander. This machine is designed to give you years of safe service. Read this owner’s manual in its entirety before assembly or use. Parts of the wide belt sander. The wide belt sander consists of a number of major parts, which are discussed in this manual.
  • Page 9 3. Manual bed vertical adjusting handle. This handle is used to manually adjust the bed vertically. 4. Bed. The bed of the sander has a rubber drive belt that transports the job through the machine. The speed of the belt is adjustable. 5.
  • Page 10 11. Sanding drum motor. 12. Bed vertical adjusting motor. The bed vertical adjusting motor moves a chain that rotates four cogs. The cogs turn threaded shafts that lift or lower the bed. 13. Sanding belt limiter. There are two ceramic limiters, one on either side of the machine. If the belt hits either of the limiters, a micro switch is activated and the machine will stop.
  • Page 11 16. Spacer. The spacer is used to clamp the sanding head to the body of the machine. The spacer is removed when changing sanding belts. 17. Platen adjuster. The platen can be adjusted lower than the sanding rollers. The amount below the rollers will vary depending on the type of sanding being conducted.

  • Page 12: What You Will Receive

    What you will receive with the wide belt sander. Door keys Spare platen Grease gun flexible extender backer Tools Platen extractor Sanding belts Spare platen Spare ceramic belt limiters Graphite pads Where to locate your wide belt sander. Before you remove your machine from the packaging, select the area where you will use your machine.

  • Page 13: Unpacking Your Wide Belt Sander

    Unpacking your wide belt sander. To unpack your sander, you will need tin snips, knife, screwdriver and a wrench. 1. Using the tin snips, cut the banding that is securing the packing box (if fitted). WARNING: EXTREME CAUTION MUST BE USED BECAUSE THE BANDING WILL SPRING AND COULD CAUSE INJURY.
  • Page 14 Sanding motor 4 amp Conveyor Control contactor motor fuses system contactor transformer Amp meter current sensor Sanding motor overload relay Input power junction block Conveyor motor Cable overload relay gland Connecting the electrical supply. Note. A qualified electrician must carry out the installation. Ensure that the main supply corresponds with that of the machine (three- phase 220 V).
  • Page 15 Connecting the air supply. Air line connection Label Air pressure adjuster The input air regulator regulates the air pressure that is supplied to the machine. The machine is supplied with an air connector, which you can connect your air supply to. You will require an air supply that can deliver a constant minimum pressure of 6 bar.
  • Page 16 Fitting the sanding belt. Note. Disconnect the sander from the electrical supply. Clamp and spacer Sanding belt Roller tension switch 1. Rotate the roller tension switch counter-clockwise to lower the tension roller. 2 Rotate the clamp counter-clockwise and lift out. Note.
  • Page 17 Clamp and spacer assembled Belt sensor Sanding belt assembled Note. Never run the sander without the spacer and clamp assembled, as this will damage the machine. Note. The machine is supplied with a sanding belt, and this may not be the correct one for your work.

  • Page 18: Adjusting The Wide Belt Sander

    Choosing sandpaper. Grit Type The grit type that you chose will depend on the Coarse type of work that you are doing and the finish that 80 to 100 Medium the job dictates. It usually saves time and results 120 to 150 Fine in a better finish if you start a job with a coarse grit and then complete the finishing cuts with a fine grit.
  • Page 19 The manual handle is located on the front of the machine under the bed. It is not recommended that the handle is used for everyday operations and is only used for emergency operations, or when the bed has to be moved while no power is connected to the machine.
  • Page 20 Setting the depth of cut (sanding depth). Press any button, and the display will read 000.0". Input the depth of cut using the numeric key pad (0,005"). Press the set button and hold for 2.5 seconds. The display will begin to flash; when it stops, the depth of cut is set. Press the start button, and the display will revert to 000.0".
  • Page 21 The sander is fitted with a limit switch located at the back of the machine. This limit switch limits the down travel of the bed. Belt speed. The speed of the belt can be adjusted to between 6 and 30 feet per minute.
  • Page 22 Sanding belt adjustments. General description of sanding controls and actions. The sanding belt is tensioned by the central belt tension piston. The piston is activated by the sanding belt tension switch. This switch must be activated prior to starting the sander. The sanding belt oscillates along the top and bottom rollers.
  • Page 23 is excessive or the sanding belt runs off center, the sanding belt will hit one of the two ceramic rollers (2). The rollers are attached to micro switches that stop the machine. The sensitivity of the non-contact air sensor can be adjusted by rotating the control knob (5]) This has been factory set and should not need adjustment.

  • Page 24: Running The Sander

    4. With the sanding belt fitted, run the sanding head and note the time that it takes the sanding belt to oscillate in both directions. The time taken to oscillate in either direction should be the same. 5. If the oscillation to the right is longer than the time for the sanding belt to oscillate to the left, adjust the control knob (5) to the right.
  • Page 25 Sanding platen position. The sander is supplied with a graphite platen system. The platen is used only when conducting fine finishing cuts (0.1mm or 0.004") and is not suitable for roughing cuts. Scale Scale Adjusting handle Clamp The scale is very fine and has a complete range of +2mm (0.08") –2mm (0.08").
  • Page 26 Check that all the safety switches are functioning. Bed upper limit Bed lower limit switch Bed safety switch switch 1. Lower the bed until it hits the lower limit switch. The bed travel must stop once the switch is activated. 2.

  • Page 27: Maintenance And Troubleshooting

    Maintenance and troubleshooting. Note. When conducting maintenance, disconnect the machine from the electricity and the air supply. General. Keep your machine clean. At the end of each day, clean the machine. Wood contains moisture, and if sawdust is not removed it will cause rust. In general, we recommend that you only use a Teflon-based lubricant.
  • Page 28 Bearing lubrication. The bearings need to be greased. There are several grease points, as shown in the photographs below. It is recommended that the machine be greased after every 40 hours of operation. Greasing the bearings will flush out any sawdust that has gotten pasted into the seals. After greasing, wipe off any excess.
  • Page 29 Sanding belt non-contact air sensor. There are holes in the sensor for the air to escape through. The holes should be checked regularly, and if they block, they must be cleaned. If the holes block, the belt will not track correctly on the rollers. Ceramic rollers.
  • Page 30 Pressure roller adjustment. Pressure roller adjusting screws There are two pressure rollers: one on the infeed side and the other on the outfeed side of the sanding rollers. The pressure rollers come factory set but may need to be adjusted during the life of the machine. Adjust the rollers as follows.
  • Page 31 of the wood and other factors. Experimentation will be required to achieve the correct setting. It is suggested that setting the pressure rollers to 0.020" to 0.030" is a good starting point. Never set the pressure rollers level or higher than the sanding rollers, as this may result in injury. Adjusting the conveyor belt.
  • Page 32 4. If the conveyor is running to the left, turn the left-hand adjusting screw clockwise. 5. Once the conveyor is running centrally, stop the conveyor and replace the steel cover. Conveyor tensioning. To increase the tension on the conveyor belt, turn the adjusting bolts clockwise.
  • Page 33 Conveyor drive motor belt adjustment. The drive belts will need to be adjusted from time to time. To adjust, loosen the lock nut, and turn the adjusting nut (on top of bracket) until the correct tension is achieved. Do not forget to re-tighten the lock not after the adjusting has been completed.
  • Page 34 Accessing sanding head drive motor electrical termination. To access the motor electrical terminations, remove the cover plate located beside the air regulator. Note. Never access the motor with the power connected to the sander. Motor electrical terminations Cover plate (cover plate removed)
  • Page 35 Troubleshooting. Problem Possible cause Solution Display fails to come Breaker tripped. Reset breaker. Power switched off. Switch power on. Display faulty. Replace display. Display shows Incorrect figures input Input correct figures. incorrect figures. into computer. Computer corrupted. Turn power off then on. Display faulty.
  • Page 36 Sanding belt breaks. Belt assembled to Replace belt. machine with arrows in the wrong direction. Burn marks on the job. Sanding belt is too fine Replace the sanding for the job. belt with coarser grit sanding belt. Sanding belt clogged. Clean belt with belt cleaning stick or replace the sanding...
  • Page 37 stripped enough and is not causing a bad connection. Check that all the screws are tight. Check the supply voltage is correct. Sander will not stop. This is a very rare Switch faulty. Replace occurrence, as the the switch. machine is designed to fail-safe.
  • Page 38 clogged. Over-feeding the job. Slow feed rate. Excessive ambient Cool area. temperature. Motor overloaded. Reduce load on motor [(educe depth of cut or feed speed). Squeaking noise. Check the bearings. Re-lubricate or replace bearing. Machine vibrates. Machine not level on Re-level the machine, the floor.
  • Page 39 Conveyor belt Clean conveyor belt contaminated with and check dust sawdust. extraction for blockages. Sanding belt hits Tracking out of Re-track the sanding ceramic switch. adjustment. belt. Sanding belt will not Blocked tracking Clear sensor blockage. track correctly. sensor. Oscillation control valve Adjust oscillation not adjusted correctly control valve.

  • Page 40: Electrical Drawing

    Electrical drawing...

  • Page 41: Exploded View Drawings

    Exploded view drawings.
  • Page 61 Laguna Tools is not responsible for errors or omissions. Specifications subject to change. Machines may be shown with optional accessories. © 2018, Laguna Tools, Inc. LAGUNA® and the LAGUNA Logo® are the registered trademarks of Laguna Tools, Inc. All rights reserved.

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Pro seriesMw51 pro

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