Instruction/ maintenance manual of the product RM2125 Leica
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The Leica RM2125 Microtome Online T roubleshooting Guide.
Leica RM2125 T roubleshooting Guide T able of Contents Problem Page 1. Thick and thin sections 1-2 2. Compressed sections (sections are extremely compressed, wrinkled or jammed together) 3-4 3. Chatter 5-6 4. Scratches or splits in sections 7 5. No specimen advance (no section produced) 8 6.
Leica RM2125 T roubleshooting Guide Problem 1. Thick and thin sections a) Partial sections b) Shorter sections in ribbon c) Section thickness varies from one section to another d) Skipping sections e) V aried thickness in one individual section Cause(s) / Corrective Action I) The clearance angle is too small.
Leica RM2125 T roubleshooting Guide Problem 1. Thick and thin sections (continued) a) Partial sections b) Shorter sections in ribbon c) Section thickness varies from one section to another d) Skipping sections e) V aried thickness in one individual section Cause(s) / Corrective Action VI) Backlash in specimen advance system.
Leica RM2125 T roubleshooting Guide Problem 2. Compressed sections (sections are extremely compressed, wrinkled or jammed together) a) Compressed b) Wrinkled c) Jammed Cause(s) / Corrective Action I) Dull knife/blade. a) Use a different part of the cutting edge or use a new knife/blade.
Leica RM2125 T roubleshooting Guide Problem 2. Compressed sections (sections are extremely compressed, wrinkled or jammed together) (continued) a) Compressed b) Wrinkled c) Jammed Cause(s) / Corrective Action VII) Knife blade is not parallel with pressure plate.
Leica RM2125 T roubleshooting Guide Problem 3. Chatter a) V enetian Blind affect b) W ash board c) Undulations Cause(s) / Corrective Action I) Sectioning speed too high.
Leica RM2125 T roubleshooting Guide Problem 3. Chatter (continued) a) V enetian Blind affect b) W ash board c) Undulations Cause(s) / Corrective Action – Decalcification – Paraffin is too old – Paraffin impurities IX) T abletop stability . k) Move the microtome or table to a more stable location, or replace the table if the table is flimsy .
Leica RM2125 T roubleshooting Guide Problem 4. Scratches or splits in sections Cause(s) / Corrective Action I) Knife: – Defect in knife edge – Hard specimen in block – Paraffin on front or back of knife edge – Possible staple left in paraffin a) Move to a new area of the knife and observe if the scratches move with it.
Leica RM2125 T roubleshooting Guide Problem 5. No specimen advance (no section produced) Cause(s) / Corrective Action I) Specimen reached the front feed limit. a) T urn the coarse feed wheel in the appropriate direction to move the specimen towards the rear limit.
Leica RM2125 T roubleshooting Guide Problem 6. Drifting of handwheel Cause(s) / Corrective Action I) Hand wheel is not balanced properly . Handwheel should remain at 12 o’clock when positioned at that location. No drifting should occur . a) Adjust the handwheel position and/or collar sleeve position.
Leica RM2125 T roubleshooting Guide Problem 7. Specimen is picked up in the return stroke of the specimen arm Cause(s) / Corrective Action I) Static electricity charge may be built up on the knife holder or specimen head. a) Adjust the temperature or humidity level in the room.
Leica RM2125 T roubleshooting Guide Problem 8. Sections sticking to pressure plate Cause(s) / Corrective Action I) T oo much paraffin. a) Clean the knife with a swab moistened with Xylene. Stroke the swab in an upward motion away from the blade edge, not down on the blade edge.
Leica RM2125 T roubleshooting Guide Problem 9. Unable to retract specimen (Note: This is only on the Leica RM2125 RT model) Cause(s) / Corrective Action I) Retraction mechanism on specimen advance system is defective.
Leica RM2125 T roubleshooting Guide Problem 10. Microtome makes "clunking noise" when sectioning Cause(s) / Corrective Action I) Linear bearings in cage are at their lower limits. a) Linear bearings need to be cleaned and possibly re-greased.
An important point after buying a device Leica RM2125 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Leica RM2125 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Leica RM2125 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Leica RM2125 you will learn all the available features of the product, as well as information on its operation. The information that you get Leica RM2125 will certainly help you make a decision on the purchase.
If you already are a holder of Leica RM2125, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Leica RM2125.
However, one of the most important roles played by the user manual is to help in solving problems with Leica RM2125. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Leica RM2125 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
