Summary of Contents for DJH MEK RUB TEST MACHINE
- Page 1 MEK RUB TEST MACHINE USER MANUAL Everything you need to know about setting up & using your MEK Rub Test Machine by DJH Designs Inc.
- Page 2 The information contained in this document is subject to change without notice. DJH Designs Inc. Makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties or merchantability and fitness for a particular purpose.
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Page 3: Table Of Contents
INDEX Section Page Manual Conventions Unpacking & Installation Installing MEK Reservoir Air Supply Connection Installing the Safety Cover Replacing the Rubbing Pad Filling the MEK Reservoir Testing a Panel Adjusting the Rubbing Block Setting the Number of Strokes Running the Rub Test Maintenance Machine Specifications Where to Find Help... -
Page 4: Manual Conventions
MANUAL CONVENTIONS To help you find important information quickly, and make instructions easier to understand, this manual uses the following conventions: Italic refers to a document title or is used for emphasis. Bold refers to new terms or is used for emphasis. NOTE Notes contain important information set off from the text. - Page 5 UNPACKING MACHINE 1. When first opening the box, first remove the safety 2. Remove box underneath safety cover containing cover, then remove other components underneath. the MEK resevoire. 3. Remove foam insert 4. With the help of another person, carefully lift the MEK machine base from the box.
- Page 6 MACHINE INSTALLATION Select a suitable area for the machine. The machine weight is 62.5 lbs. (30 kg) and must be installed on a sturdy work bench that will be able to absorb the inertia of the dead weight rubbing block being shuttled back and forth. It is recommended that the work area have at least 30cm clearance on all sides.
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Page 7: Unpacking & Installation
UNPACKING & INSTALLATION Installing MEK Reservoir 1. Locate the two (2) rivnuts for the reservoir 2. Mount the two (2) screws for the reservoir assembly as shown using the 1/8” allen key. Do not over tighten the screws as it is possible to strip the rivnuts if too much force is applied. -
Page 8: Installing Mek Reservoir
UNPACKING & INSTALLATION Installing MEK Reservoir 3. Connect the flow line coming from the rubbing block to the flow valve located on the bottom of the reservoir as shown 4. Tighten the fitting by hand then use a 10mm wrench tighten an additional ¼ turn. Excessive tightening may collapse the ferrell and restrict the solvent flow. - Page 9 UNPACKING & INSTALLATION Installing the Safety Cover Align Front of cover to the front edge of the base plate and then align the holes in the cover to the holes in the mounting blocks. You may have to rotate the mounting blocks to be in the correct orientation prior to sitting the cover on the machine.
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Page 10: Air Supply Connection
Air Supply Connection The MEK Rub Test machine is supplied with a 2 stage air filter assembly pre-installed on the back of the unit, bypassing or removal of these filters will void the machine warranty, if problems due to filters plugging up occur the air supply problem should be addressed before continuing use of the machine. -
Page 11: Replacing The Rubbing Pad
UNPACKING & INSTALLATION Replacing the Rubbing Pad The MEK rub test machine is equipped with a safety latch device, this latch will prevent the head from in- advertently falling back down onto the base plate if the machine happens to be bumped or if the head was not raised up fully to the over centre position of the head. - Page 12 UNPACKING & INSTALLATION Replacing the Rubbing Pad 4. Re-attach the plate at 90° and rotate back into original position 5. Wet the new pad with the MEK...
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Page 13: Filling The Mek Reservoir
UNPACKING & INSTALLATION Filling the MEK Reservoir 1. To fill the MEK reservoir, first remove the filler cap. 2. Use the Squeeze bottle provided to fill the reservoir, approximately 425cc. The reservoir has a site level so that you can see the level of MEK in the reservoir at all times. -
Page 14: Testing A Panel
TESTING A PANEL Minimum size 13cm (5”) x 30cm (12”) (unless equipped with variable stroke kit). Place the panel on the test area, butt the right edge up against the locating pins under the panel holding clamp, and slide the top edge against and under the stop bar. The stop bar is machined with a taper so if the panel has a bow it will help to hold it flat. - Page 15 OPTIONAL VARIABLE STROKE KIT The Variable Stroke Kit is an add kit that allows for the use of non standard size panels ranging in length from 9cm (3.5”) to 30cm (12”). Adjusting the stroke length; when testing non standard length panels it will be necessary to adjust the stroke length so that the nozzle cannot ride over the edge of the panel as shown below and cause damage to the nozzle.
- Page 16 OPTIONAL VARIABLE STROKE KIT 2. Move the rubbing head by hand until the nozzle is positioned completely on the test panel close to the left edge as shown. 3. Locate the bolt on the stop block at the back left and loosen with a 7/16”...
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Page 17: Adjusting The Rubbing Block
ADJUSTING THE RUBBING BLOCK Adjustment to the rubbing block is normally only required if you want to change to running much thicker test panels. However, periodical adjustments to the rubbing block alignment may be required if the head has been dropped onto the sample to hard, or has been shifted for any reason. -
Page 18: Setting The Number Of Strokes
RUNNING THE MACHINE Setting the Number of Strokes Preset the number of strokes (forward and back, a “double rub” counts as one stroke) press the button to the left of the digital counter display and hold it down. Press the buttons under each digit (ones, tens, hundreds, thousands) to select the number of strokes on the display. -
Page 19: Running The Rub Test
The cotton pads provided with the machine are ASTM compliant and can be purchased through DJH (PN: 1963) To establish the required number of strokes that is acceptable to your standards, run a known panel by your hand method, and run a parallel test on the same panel with the machine. -
Page 20: Maintenance
MAINTENANCE Be sure to check the coalescing air filter and replace as required. If you notice a continued drop in air pressure to the machine, it is a good indication that the NOTE coalescing filter element requires replacement. Check the secondary filter assembly and service as required. Lubricating the rubbing block hinge pin Use the supplied grease gun and add grease until you see the overflow from both ends of the pin as... - Page 21 MAINTENANCE Be sure to lubricate the slide rail with 2 to 3 drops of instrument oil weekly...
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Page 22: Machine Specifications
MEK, Acetyl Acetone, Acetone, Acetylene, Isopropyl Alcohol, Methanol * As per ASTM standard ** Thicker panels can be run, please contact DJH Designs for more information Never use corrosive solutions. This machine is not designed to use anything other than CAUTION... -
Page 23: Where To Find Help
24 Hour Online Help from DJH Designs Website DJH Designs can also be reached 24 hrs a day 7 days a week on our website. Our products and support page can provide you with answers to most problems. You can also E-mail your request to several E-mail accounts. See Service and support page, second last page in this manual for web address and E-mail accounts. -
Page 24: Warranty
ONE YEAR LIMITED WARRANTY DJH Designs warranties its products against defects in materials and workmanship for a period of one year from the date of purchase. DJH Designs will at its option, either repair or replace products which prove to be defective. Exclusions The warranty on your DJH Designs MEK Rub Test Machine will not apply to defects or damages resulting from;... -
Page 25: Repackaging Guidelines
You can also request the proper shipping container from DJH Designs. (Container cost and shipping charges will apply) Instructions for packing MEK Rub Test Machine in ISPM15 compliant crate. - Page 26 REPACKAGING GUIDELINES 4. Ensure that the rubbing block is in the down position. 5. Wrap safety shield in a protective padding as shown. 6. Wrap MEK reservoire in protective padding as shown and place into the provided box. Failure to properly secure the machine to the base and to the crate structure may result in damage to the machine.
- Page 27 REPACKAGING GUIDELINES 4. Place MEK machine base into foam insert as shown. Failure to properly secure the machine to the base and to the crate structure may result in damage to the machine. 5. Place top layer of foam on top of machine. This will only fit one way.
- Page 28 REPACKAGING GUIDELINES 7. Place the protected safety cover overtop of the box containing the MEK reservoire so that it sits flush on top.
- Page 29 (905) 825-2750 (800) 616-8818 (Canada/US) DJH Designs fax (905) 825-3628 DJH Designs technical support E-Mail address techsupport@djh.com Question or Comments can be directed to: sales@djh.com techsupport@djh.com DJH Designs web site www.djh.com For service, please visit our website or contact techsupport@djh.com.
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Page 30: Service Request Form
SERVICE REQUEST FORM Company Name: Date: Person to Contact: Phone Number: Machine Purchase Date: Serial Number: Return shipping address: Special shipping instructions: What needs to be done? Describe the conditions of the failure. (What was the failure? What where you doing when the failure occurred?) If the failure is intermediate, how much time occurs between failures? Additional comments: Except in the instance of warranty service, a...
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