Do It Yourself

Installation

Manuals

Installation Instructional Video for John Deer 40/90 Series Corn Heads

  • 00:00 – Intro
  • 00:36 – Tools Needed
  • 02:23 – Removing Hoods, Gathering Chains and Sprockets
  • 09:44 – Removing Grass Knives
  • 11:15 – Removing Stalk Rolls
  • 16:42 – Removing Stuck Stalk Rolls
  • 18:11 – Checking Pinion Shafts and Seals
  • 19:27 – Check Pinion Shaft Timing
  • 18:52 – Installing BT Chopper Stalk Rolls
  • 29:26 – Installing Calmer Grass Knives
  • 32:30: Installing Anti-Hairball Insert
  • 34:17 – Installing Calmer Stripper Plates
  • 35:15 – Setting Stripper Plate Gap
  • 42:07 – Installing Idler Sprockets
  • 46:42 – Installing Drive Sprockets
  • 47:33 – Installing Idler Blocks
  • 48:30 – Installing Gathering Chains

Row Unit Replacement Tool List:

  • 1 1/8th or 1/14 wrench
  • 15/16th wrenches
  • 18mm wrench
  • 15/16th socket
  • 18mm socket
  • 3/4 inch socket
  • air hammer 1/2 inch punch
  • impact driver
  • 1/2″ ratchet, 3/8″ ratchet for socets
  • dead blow hammer (soft blow mallet)
  • steel hammer
  • snap wring pliers
  • hex bit (included in mailing)
  • torque wrench 85+ fp
  • putty knife or scraper
  • marker, or paint pen
  • cut resistant gloves

FARMERS INVENTED THE BT CHOPPER®

 

SYSTEM IN OUR SHOP,

 

TESTED ITS PERFORMANCE ON THEIR FARMs

 

AND HAVE PROVEN ITS EFFECTIVENESS.