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