Mantis ComposT-Twin Series Owner's Manual
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Mantis ComposT-Twin Series Owner's Manual

Mantis ComposT-Twin Series Owner's Manual

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OWNER'S MANUAL

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  • Page 1 OWNER’S MANUAL...

  • Page 2: Table Of Contents

    Welcome To The World Of Mantis Gardening! Here’s your new Mantis ComposT-Twin...the unique dual-chamber composter that will make gardening easier for you. With your new ComposT-Twin, you’ll always have a place to throw your kitchen scraps, leaves and grass clippings...and you’ll...

  • Page 3: Safety Decals

    • Remove the drum from the frame before relocating the unit. • Do not overload the ComposT-Twin. Maximum load is 600 pounds. Mantis Customer Service If you have any difficulty following the assembly instructions, contact your local authorized Mantis Dealer where you purchased the ComposT-Twin for assistance.
  • Page 6 Assembly of the ComposT-Twin is divided into two major sub-assemblies: Support frame Drum Tools needed for assembly of ComposT-Twin ✔ ✔ Hammer or rubber mallet 3/8” wrench ✔ ✔ 3/4” wrench Regular screwdriver (flat head) ✔ ✔ 7/16” wrench Phillips screwdriver (cross head) ✔...

  • Page 8: Support Frame Assembly

    Step 1 Parts for the Support Frame Assembly Gather the parts you will need to assemble the support frame. Step 2 Long legs of the tubing are opposite each other Step 3 Close-up Fasten one end of the short spacer (key #2) Place second “C”...
  • Page 9 Step 4 Step 5 Slide together Place upper supports (key #3) in a position Fasten the long spacers (key #4) to the upper where the smaller leg of the upper support support on both sides using 2” shoulder bolts slides into the wider leg of the lower support, (key #12).
  • Page 10 Step 8 Step 9 Slide one end of the axle rod (key #5) into Slide one gear (key #7), one center support the axle rod guide of the upper support wheel (key #6), and another gear onto the assembly. axle rod in the order shown. Gear pin opening Pin hole in axle rod...
  • Page 11 Repeat this step with each gear. TIGHTEN ALL NUTS AND BOLTS SECURELY. The support frame for your Mantis ComposT-Twin is ready! Place the frame on level ground, where you want the composter to be located in your yard. Lubricate the four axle rod guide sections with wheel bearing-type grease.

  • Page 12: Drum Assembly

    Now, you will assemble the ComposT-Twin Drum: Tools needed for Drum Assembly: 3/8” wrench Regular screwdriver (flat head) 7/16” wrench Phillips screwdriver (cross head) 7/16” socket wrench Small parts close-up Step 15 Parts for the Drum Assembly Gather the parts you will need to assemble the ComposT-Twin drum.
  • Page 14 Step 16 2nd panel door opening 3rd panel has 4th panel has one 4 latch holes 1st panel has clip-shaped rib 2 door slots Clip-shaped rib There are two different types of ribs on the panels: one rib is straight, the other is clip-shaped. Place panels on a flat ground surface with the ribs facing up, in the following order: The two slots of the drum 1st panel (key #19) should be next to the door opening (key #18).
  • Page 15 Step 19 Step 20 Position mesh screen (key #23) onto the vent Attach 3rd and 4th panels the same way hole of the end cap. Affix it using the zip to complete the first chamber assembly. twist pal nut (key #27). Repeat this step with Assemble the sheet metal panels for the the second end cap.
  • Page 16 Step 24 Step 23 To attach the door latch (key #24), make sure ▲ ▲ that the hook part of the latch is pointing up SAFETY WARNING towards the door panel. DO NOT TIGHTEN BOLTS - THEY SHOULD SPIN FREELY! SLOTS WILL ACCOMMODATE THE EXPANSION OF MATERIAL DURING TEMPERATURE CHANGES Step 26...
  • Page 17 Step 27 Step 28 The divider has the words “DOOR” printed Fit the rim of the divider over the open edge on the inside. Line up the words with the of the sheet metal chamber, tapping to secure door opening panel. Pick up the divider and in place.
  • Page 18 Step 32 Step 33 Step 34 Pick up the sheet metal Bend the assembly with the Overlap the last joint and assembly of the second ribs inside and fit the edge align the slots. Fasten the chamber and place it on top of the sheet metal into the last joint using shoulder of the divider to align with...
  • Page 19 Step 38 Step 37 Position the second end cap over the open end of the drum assembly, so the four round openings align with the four threaded rods, and making sure that the vent hole lines up Place 1/4” flat washer (key #34) over each with the vent hole in the other end cap.
  • Page 20 ▲ ▲ SAFETY WARNING COMPOSTER DRUM IS VERY HEAVY - BE CAREFUL WHEN LIFTING. AT LEAST TWO PEOPLE ARE NEEDED TO LIFT DRUM AND POSITION ON SUPPORT FRAME Step 42 Put self-tapping screw (key #26) into the cavity in the middle of the breather cap. Be Step 41 sure that the screw’s tip is coming out of the hole.

  • Page 21: Maintenance Instructions

    During the winter months, if you are not adding materials to your ComposT-Twin, you may wish to cover the unit with a composter cover (item #201104 from Mantis) or tarp for additional protection. Step 47 At the beginning of each season, be sure to: ✔...
  • Page 22 (item #201103*) to the tumbler mixes and aerates your material, check how your batch is “cooking”! it builds up a heat core for fast decomposi- tion. * these products are available from your local authorized Mantis dealer...

  • Page 23: The Right Mix Of Materials

    Step 53 Step 52 barrel and emptying the compost chamber. Now, you can use this chamber for your daily In about two weeks, open, empty, and enjoy scraps and let the second chamber finish the the first chamber of finished compost. Be process of decomposition.
  • Page 24 Do not add Carbon Nitrogen Charcoal or coal ash Carbon-rich materials are High-nitrogen “green” generally brown or yellow materials are also essential; Meat or dairy-related materi- and dry. These include: without them, your compost als or shortenings won’t heat up. Nitrogen Bones, fat or meat enables the micro-organisms Fallen leaves...

  • Page 25: Using Compost

    Lawns also benefit from compost. With a Mantis Tiller, work 1” or more of compost into the soil before seeding a new lawn (or before repairing a patch of old lawn). To help soil organisms thrive, you can top-dress an established lawn with up to 1/2”...

  • Page 26: Troubleshooting Tips

    Troubleshooting Tips Sometimes things go wrong - even with composting. Most composting problems stem from a lack of moisture, too much moisture, a nitrogen imbalance, or poorly managed food scraps. Fortunately, all of these problems have a fairly simple solution. Below you will find a number of commonly encountered symptoms, their causes and their cures.
  • Page 27 NOTES...

  • Page 28: Limited Warranty Information

    MERCHANTABILITY AND FITNESS FOR A of the MANTIS ComposT-Twin. PARTICULAR PURPOSE, IS LIMITED TO THE DURATION OF THE EXPRESS WARRANTY. MANTIS will repair or, at its option, MANTIS DISCLAIMS ALL LIABILITY FOR replace any defective part or parts of INDIRECT AND/OR CONSEQUENTIAL the product free of charge.

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