Yetter 5000 SERIES User manual

5000 SERIES STALK DEVASTATOR
John Deere Chopping / 20”, 22”, & 30”
Geringhoff Chopping / 20”, 22”, & 30”
Case 20” & 22” 2212 / 2412 / 3212 / 3412
New Holland 20” & 22” NH96C / 996 / 98D
Calmer / Lexion & Capello Non-Chopping
OWNER’S MANUAL & PART IDENTIFICATION
2565-965_REV_B ●08/2022
YETTER MANUFACTURING CO.
Founded 1930
Colchester, IL 62326
Toll free: [phone].
Fax: [phone]
Website: yetterco.com
E-mail: [e-mail]

2
TABLE OF CONTENTS
FOREWARD....................................................... 2
WARRANTY....................................................... 2
SAFETY INFORMATION................................ 3 –4
INSTALLATION CHECKLIST / TORQUE................ 5
BILL OF MATERIALS & TOOLS NEEDED.............. 6
ASSEMBLY INSTRUCTIONS........................ 7 –14
LOCK UP / OPERATION................................... 15
STORAGE / TRANSPORT / MAINTENANCE.......16
PART IDENTIFICATION............................ 17 –27
TROUBLSHOOTING.........................................28
FOREWORD
You’ve just joined an exclusive but rapidly
growing club.
For our part, we want to welcome you to the
group and thank you for buying a Yetter product.
We hope your new Yetter products will help you
achieve both goals-increase your productivity and
increase your efficiency so that you may generate
more profit.
This operator’s manual has been designed into 4
major sections: Foreword, Safety Precautions,
Installation Instructions and Parts Breakdown.
This SAFETY ALERT SYMBOL indicates
important safety messages in the manual.
When you see this symbol, be alert to the
possibility of PERSONAL INJURY &
carefully read the message that follows.
The word NOTE is used to convey information
that is out of context with the manual text. It
contains special information such as
specifications, techniques and reference
information of a supplementary nature.
The word IMPORTANT is used in the text when
immediate damage will occur to the machine due
to improper technique or operation.
Important will apply to the same information as
specified by note only of an immediate and
urgent nature.
It is the responsibility of the user to read the
operator’s manual and comply with the safe and
correct operating procedure and to lubricate and
maintain the product according to the
maintenance schedule in the operator’s manual.
The user is responsible for inspecting his
machine and for having parts repaired or
replaced when continued use of the product
would cause damage or excessive wear to the
other parts.
It is the user’s responsibility to deliver his
machine to the Yetter dealer who sold him the
product for service or replacement of defective
parts, which are covered by the warranty policy.
If you are unable to understand or follow the
instructions provided in this publication, consult
your local Yetter dealer or contact:
YETTER MANUFACTURING CO.
309/776-4111
800/447-5777
309/776-3222 (FAX)
Website: www.yetterco.com
E-mail: [e-mail]
WARRANTY
Yetter Manufacturing warrants all products manufactured and sold by it against defects in material. This warranty being
expressly limited to replacement at the factory of such parts or products as shall appear to be defective after inspection.
This warranty does not obligate the Company to bear cost of labor in replacement of parts. It is the policy of the
Company to make improvements without incurring obligations to add them to any unit already sold. No warranty is made
or authorized to be made, other than herein set forth. This warranty is in effect for one year after purchase.
DEALER: ________________________________________
Yetter Manufacturing warrants its own products only and cannot be responsible for damages to
equipment on which mounted.

3
BE ALERT!
YOUR SAFETY IS INVOLVED
WATCH FOR THIS SYMBOL. IT POINTS OUT IMPORTANT SAFETY
PRECAUTIONS. IT MEANS “ATTENTION – BE ALERT!”
It is your responsibility as an owner, operator, or supervision to know and
instruct everyone using this machine at the time of initial assignment and at
least annually thereafter, of the proper operation, precautions, and work
hazards which exist in the operation of the machine in accordance with
OSHA regulations.
Safety Is No Accident
The following safety instructions, combined with common sense, will
save your equipment from needless damage and the operator from
unnecessary exposure to personal hazard. Pay special attention to
the caution notes in the text. Review this manual at least once a year
with all operators.
1. Read and understand the operator’s manual before operating this machine.
Failure to do so is considered a misuse of the equipment.
2. Make sure equipment is secure before operating.
3. Always keep children away from equipment when operating.
4. Make sure everyone that is not directly involved with the operation is out of the
work area before beginning operation.
5. Make sure all safety devices, shields, and guards are in place and functional
before beginning operation
6. Shut off all power to adjust, service, or clean.
7. Keep hands, feet, and clothing away from moving parts. It is a good idea to
remove all jewelry before operating.
8. Inspect the machine periodically during operation for signs of excessive wear,
loose fasteners, and unusual noises.

4
PLEASE READ, VERY IMPORTANT
SECURE CORN HEADER AGAINST UNWANTED LOWERING BY APPLYING THE
LOCKING MECHANISM ON THE HYDRAULIC CYLINDERS!
1. Attach head to combine, lock head to combine
2. Raise the head off the ground and engage safety stop on the feeder
house cylinder.
3. Turn off combine engine and remove the key
Subject to the size and weight of the corn header, one or two
additional hydraulic cylinders may be required.
The combine manufacturer generally keeps corresponding
kits readily available for dealers.
Subject to the design of the corn header and the carrying capacity of
different combines, the steering axle may require the fitting of
additional weights and the rear tires be filled with ballast.
FOLLOW ALL INSTRUCTIONS GIVEN BY THE COMBINE MANUFACTURER

5
DEVASTATOR OPERATION CHECKLIST
Please fill this out after the Yetter Stalk Devastator has been installed.
DATE____/____/____ YETTER KIT # - 5000-____ CORN HEAD MAKE/MODEL___________________
COMBINE MAKE/MODEL__________________ FRONT TIRE SIZE______________ REAR TIRE SIZE______________
REAR AXLE POSITION______________ SNAPPING ROLLS USING______________ CHOPPING BLADES YES / NO
DECK PLATE ANGLE_____° (USE ANGLE FINDER) SNAPPING ROLL HEIGHT (OPERATING POSITION)____INCHES
HARVEST SPEED______MPH HEAD SPEAD__________ ANGLE TORSION ARM (OPERATING POSITION - USE
ANGLE FINDER) _________
HEAD CART INFO:
MAKE/MODEL___________________ LENGTH____________ TIRE SIZE_______________________
SEE PAGE 15 & 16 FOR HEAD & TRAILER ADJUSTMENTS
BOLT TORQUE
Important: Over-tightening hardware can cause just as much damage as under-tightening.
Tightening hardware beyond the recommended range can reduce its shock load capacity.
All hardware on the 5000 Devastator is either Grade 5 or Grade 8, unless otherwise noted. Grade 5 cap screws are marked
with three radial lines on the head. Grade 8 cap screws are marked with six radial lines on the head. If hardware must be
replaced, be sure to replace it with hardware of equal size, strength and thread type. Refer to the torque values chart when
tightening hardware.
The chart below is a guide for proper torque. Use it unless a specified torque is called out elsewhere in the manual.
Torque is the force applied to the end of the handle or cheater bar, times the length of the handle or bar.
Use a torque wrench wherever possible
The following table shows torque in ft.-lbs. for coarse thread hardware.
Bolt
Diameter
4.6
8.8
10.9
12.9
M4
0.9
2.3
3.2
3.8
M5
1.8
4.5
6.5
7.6
M6
3.0
7.7
11.1
13.0
M7
5.0
13.0
18.5
21.7
M8
7.3
18.8
26.9
31.4
M10
14.4
37.2
53.2
62.2
M12
25.2
64.9
92.8
108.5
M14
40.2
103.7
148.4
173.4
M16
62
161
230
269
M18
86
222
318
372
M20
122
314
449
525
M22
166
428
613
716
M24
211
543
777
908
M27
309
796
1139
1331

6
BILL OF MATERIALS PER KIT
5000-040C–ALL 6R30 JD –2) 5000-160A Roller Bearing Bolt Bag, 4) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 4) 5000-187 Locking Torsion Assembly, 2) 5000-
272 3R30 Roller W.A., 2) 5000-275A 3R30 Roller Mount W.A., 4) 5000-292 Torsion Arm W.A.
5000-040A-GER –6R30 Geringhoff –4) 5000-072 Geringhoff Adaptor Kit, 2) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 4) 5000-180 Torsion Mount Bolt Bag, 4)
5000-184 Locking Torsion Assembly, 2) 5000-272 3R30 Roller W.A., 2) 5000-275A 3R30 Roller Mount W.A., 4) 5000-292 Torsion Arm W.A.
5000-041C–ALL 8R30 JD–3) 5000-160A Roller Bearing Bolt Bag, 6) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 6) 5000-187 Locking Torsion Assembly, 1) 5000-268
2R30 Roller W.A., 1) 5000-269A 2R30 Roller Mount W.A., 2) 5000-272 3R30 Roller W.A., 2) 5000-275A 3R30 Roller Mount W.A., 6) 5000-292 Torsion Arm W.A.
5000-041A-GER –8R30 Geringhoff –6) 5000-072 Geringhoff Adaptor Kit, 3) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 6) 5000-180 Torsion Mount Bolt Bag, 6)
5000-184 Locking Torsion Assembly, 1) 5000-268 2R30 Roller W.A., 1) 5000-269A 2R30 Roller Mount W.A., 2) 5000-272 3R30 Roller W.A., 2) 5000-275A 3R30 Roller Mount W.A., 6)
5000-292 Torsion Arm W.A.
5000-042C–12R20 JD –3) 5000-160A Roller Bearing Bolt Bag, 6) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 6) 5000-187 Locking Torsion Assembly, 3) 5000-267
4R20 Roller W.A., 3) 5000-275A 4R20 Roller Mount W.A., 6) 5000-292 Torsion Arm W.A.
5000-042A-GER –12R20 Geringhoff –6) 5000-072 Geringhoff Adaptor Kit, 3) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 6) 5000-180 Torsion Mount Bolt Bag, 6)
5000-184 Locking Torsion Assembly, 3) 5000-267 4R20 Roller W.A., 3) 5000-275A 4R20 Roller Mount W.A., 6) 5000-292 Torsion Arm W.A.
5000-042B-CNH –CNH12R20 2212/2412/3212/3412/NH96C/996/98D –6) 5000-146 Torsion Mount CNH Bolt Bag, 3) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag,
6) 5000-187 Locking Torsion Assbly., 3) 5000-267 4R20 Roller W.A, 3) 5000-275A 4R20 Roller Mount W.A, 6) 5000-292 Torsion Arm W.A.
5000-044C –12R30 –4) 5000-160A Roller Bearing Bolt Bag, 8) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 8) 5000-187 Locking Torsion Assembly, 4) 5000-272
3R30 Roller W.A., 4) 5000-275A 3R30 Roller Mount W.A., 8) 5000-292 Torsion Arm W.A.
5000-044A-GER –12R30 Geringhoff –8) 5000-072 Geringhoff Adaptor Kit, 4) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 8) 5000-180 Torsion Mount Bolt Bag, 8)
5000-184 Locking Torsion Assembly, 4) 5000-272 3R30 Roller W.A., 4) 5000-275A 3R30 Roller Mount W.A., 8) 5000-292 Torsion Arm W.A.
5000-045C –18R20 JD –5) 5000-160A Roller Bearing Bolt Bag, 10) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 10) 5000-187 Locking Torsion Assembly, 3) 5000-267
4R20 Roller W.A., 2) 5000-273 3R20 Roller W.A., 2) 5000-274A 3R20 Roller Mount W.A., 3) 5000-275A 4R20/3R30 Roller Mount W.A., 10) 5000-292 Torsion Arm W.A.
5000-045A-GER –18R20 Geringhoff –10) 5000-072 Geringhoff Adaptor Kit, 5) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 10) 5000-180 Torsion Mount Bolt Bag,
10) 5000-184 Locking Torsion Assembly, 3) 5000-267 4R20 Roller W.A., 2) 5000-273 3R20 Roller W.A., 2) 5000-274A 3R20 Roller Mount W.A., 3) 5000-275A 4R20 Roller Mount
W.A., 10) 5000-292 Torsion Arm W.A.
5000-046C–12R22 JD –3) 5000-160A Roller Bearing Bolt Bag, 6) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 6) 500-187 Locking Torsion Assembly, 3) 5000-282
4R22 Roller W.A., 3) 5000-283A 4R22 Roller Mount W.A., 6) 5000-292 Torsion Arm W.A.
5000-046B-CNH –12R22 CNH2212/2412/3212/34122/NH98C/996/98D –6) 5000-146 Torsion Mount CNH Bolt Bag, 3) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag,
6) 5000-187 Locking Torsion Assbly, 3) 5000-282 4R22 Roller W.A, 3) 5000-283A 4R22 Roller Mount W.A, 6) 5000-292 Torsion Arm W.A.
5000-046A-GER –12R22 Geringhoff –6) 5000-072 Geringhoff Adaptor Kit, 3) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 6) 5000-180 Torsion Mount Bolt Bag, 6)
500-184 Locking Torsion Assembly, 3) 5000-282 4R22 Roller W.A., 3) 5000-283A 4R22 Roller Mount W.A., 6) 5000-292 Torsion Arm W.A.
5000-047C–18R22 JD –5) 5000-160A Roller Bearing Bolt Bag, 10) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 10) 5000-187 Locking Torsion Assembly, 2) 5000-
280 3R22 Roller W.A., 2) 5000-281A 3R22 Roller Mount W.A., 3) 5000-282 4R22 Roller W.A., 3) 5000-283A 4R22 Roller Mount W.A., 10) 5000-292 Torsion Arm W.A.
5000-047A-GER–18R22 Geringhoff –10) 5000-072 Geringhoff Adaptor Kit, 5) 5000-160A Roller Bearing Bolt Bag, 1) 5000-171 Manual Bag, 10) 5000-180 Torsion Mount Bolt Bag,
10) 5000-184 Locking Torsion Assembly, 2) 5000-280 3R22 Roller W.A., 2) 5000-281A 3R22 Roller Mount W.A., 3) 5000-282 4R22 Roller W.A., 3) 5000-283A 4R22 Roller Mount
W.A., 10) 5000-292 Torsion Arm W.A.
5000-048 –JD 8R30 Folding –4) 5000-160A Roller Bearing Bolt Bag, 8) 5000-168 Torsion Mount Bolt Bag, 1) 5000-171 Manual Bag, 8) 5000-187 Locking Torsion Assembly, 1) 5000-
2006 Special Cap Bolt W.A., 4) 5000-268 2R30 Roller W.A., 4) 5000-269A 2R30 Roller Mount W.A., 8) 5000-292 Torsion Arm W.A.
5000-070 –Devastator Adaptor Kit, Calmer & JD 90/40 Series –2) 2502-397 5/8-11 X 5 ½” GR 5 Bolt, 2) 2502-809 M16 X 2 X 65 Hex Flange Bolt, Thread lock, ZP, 2) 2502-810 M16 X
2 X 30 Hex Flange Bolt, Thread Lock, ZP, 2) 2520-452 5/8 –11 Hex Nut ZP GR 8, 4) 2525-451 5/8 Medium Lock Washer ZP, 2) 2967-302 ¾” Plater Spacer, 1) 5000-284 Calmer
Adaptor Bracket W.A., 1) 5000-285 Adapter W.A.
5000-071 –Lexion Adapter Kit –4) 2502-810 M16 X 2 X 30 Hex Flange Bolt Thrd Lck ZP, 4) 2502-813 M16 X 2 X 70 8.8 HHCS ZP, 1) 5000-452 Claas Adaptor Plate
5000-072–Geringhoff Devastator Adapter Kit –2) 2502-810 M16 X 2 X 30 Hex Flange Bolt Thrd Lck ZP, 2) 2502-814 M16 X 2 X 160 8.8 HHCS ZP, 1) 2502-815 M16 X 2 X 140 Hex
Flange Bolt Thrd Lck ZP, 1) 2502-817 M16 X 2 X 180 8.8 HHCS ZP, 1) 5000-453 Geringhoff Adapter Plate, 2) 5000-454 Spacer, 2) 5000-472 Spacer
INSTALLATION TOOLS REQUIRED:
Electric or Pneumatic Impact,
Torque wrench, 24MM socket,
1 1/8” Socket & wrench,
15/16 socket & wrench, (only used on 5000-070)
¾ Socket & wrench

7
5000-070 ASSEMBLY INSTRUCTIONS
JD 40/90 SERIES –CALMER
NOTE: SUPPORT THE FRONT OF THE ROW UNIT BEFORE LOOSENING ANY MOUNTING HARDWARE.
DIFFERENT MOUNT LOCATIONS MAY BE NECESSARY IF CLEARANCE ISSUES ARE FOUND.
Step 1: Remove mounting hardware for each gear box where the Yetter torsion pivot assembly will be mounted (see torsion
pivot locations on pages 10 –11 that match your devastator kit). Install 5000-284 Calmer Adaptor Bracket on bottom side of
frame sliding the threaded rod through each hole of the straps on the front of the frame & hand thread the 2502-397 5/8 –11 X
5 ½ bolts with original lock washer into the gear box. Slide the holes in the upright tab on the 5000-285 over the threaded rod
of the 5000-284 & hand tighten new lock washers & hex nuts.
Step 2: Place the 5000-187 locking torsion assembly on the 5000-285 adaptor aligning all 4 holes. Thread by hand the 2502-
810 M16 X 2 X 30 bolts on the front set of holes. Place the spacer between the 5000-284 calmer adaptor bracket & the 5000-
285 adaptor. Thread by hand the 2502-809 M16 X 2 65 bolts. Tighten the hardware from steps 1 & 2 to torque spec in the
following order: A –1st, B –2nd, C –3rd, D –4th.
Step 3: Refer to page 13 for instructions on installing the 5000-292 torsion arm.

8
5000-071 ASSEMBLY INSTRUCTIONS
LEXION –CAPELLO
NOTE: SUPPORT THE FRONT OF THE ROW UNIT BEFORE LOOSENING ANY MOUNTING HARDWARE.
DIFFERENT MOUNT LOCATIONS MAY BE NECESSARY IF CLEARANCE ISSUES ARE FOUND.
Step 1: Remove the mounting hardware & strap for each gear box where the Yetter torsion pivot assembly will
be mounted (see torsion pivot locations on pages 10 –11 that match your devastator kit). Install the 5000-452
Lexion adaptor bracket on the bottom side of the frame using 4) 2502-813 M16 X 2 X 70 8.8 bolts, the original flat
washers & spacer bushing. Thread bolts by hand, then tighten to torque spec. (4th bolt not shown in photo)
Step 2: Place the 5000-187 locking torsion assembly on the 5000-452 adaptor aligning all 4 holes. Thread
the 2502-810 M16 X 2 X 30 bolts by hand, and then tighten to torque spec.
Step 3: Refer to page 13 for instructions on installing the 5000-292 torsion arm.
M16 X 2 X 70
M16 X 2 X 30

9
5000-072 ASSEMBLY INSTRUCTIONS
GERINGHOFF
NOTE: GEAR BOXES MUST BE USED TO MOUNT TORSION PIVOTS. SUPPORT THE FRONT OF ROW UNIT BEFORE LOOSENING
ANY MOUNTING HARDWARE. DIFFERENT MOUNT LOCATIONS MAY BE NECESSARY IF CLEARANCE ISSUES ARE FOUND.
Step 1:(see torsion pivot locations on pages 10 –11 that match your devastator kit). Place the 2) 5000-454 Spacers (longer, used on non-
Horizon Geringhoff corn heads) OR 2) 5000-472 Spacers (shorter, used on Horizon Geringhoff corn heads) in the 5000-453 Geringhoff
Adaptor Plate. Put the spacers against the bottom side of the corn head frame. (this is to space the adaptor plate away from the weldments &
gear box mounting straps) Insert 1) 2502-815 M16 X 140MM through the front side of the adaptor plate on the end that the pivot assembly is
not attached to. Insert 1) 2502-814 M16 X 160MM through the back side of the adaptor plate on the end that the pivot assembly is not
attached to. Align these 2 bolts with threaded holes on the gear box & thread by hand.
Step 2: Place the 5000-174 torsion pivot assembly on the 5000-285 adaptor aligning 2 slotted holes with the tapped holes on the adaptor
bracket & 2 slotted holes that align with the threaded holes on the gear box. Thread the 2) 2502-810 M16 X 2 X 30 bolts by hand into the
tapped holes on the adaptor bracket. Thread 1) 2502-814 M16 X 160 on the front side & 1) 2502-817 M16 X 180 on the back side into the
gear boxes by hand. Tighten all mounting hardware to torque spec at this time. Below is a diagram showing what holes on the 5000-174
torsion pivot used on Geringhoff corn heads match with the holes in the 5000-285 adaptor plate.
Step 3:Refer to page 13 for instructions on installing the 5000-292 torsion arm.
NO GEAR BOX MOUNTING BOLTS REMOVED 1 SET OF GEAR BOX MOUNTING BOLTS REMOVED
M16 X 2 X 140
M16 X 2 X 30
M16 X 2 X 160
M16 X 2 X 180
M16 X 2
X 180
5000-184 LOCKING
TORSION ASSEMBLY,
GERINGHOFF
SHORTER SPACERS USED
ON HORIZON CORN HEAD
MODELS
LONGER SPACERS
USED ON ALL OTHER
GERINGHOFF MODELS

10
ASSEMBLY INSTRUCTIONS
RECOMMENDED LOCATIONS OF TORSION PIVOT ASSEMBLY BELOW, ALTERNATE LOCATIONS MAY BE USED IF INTERFERENCE OCCURS!
5000-040 & 5000-040A-GER 6 ROW 30”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –Geringhoff models must use a gearbox
5000-041 & 5000-041A-GER 8 ROW 30”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –Geringhoff models must use a gearbox
5000-042, 5000-042B-CNH, & 5000-042A-GER 12 ROW 20”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –CNH & Geringhoff models must use a gearbox
5000-044 & 5000-044A-GER 12 ROW 30”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –Geringhoff models must use a gearbox
*On Rows 3 and 10, 1 set of M16 Bolts will thread into the gear box*
VIEW IS FROM
THE REAR
VIEW IS FROM
THE REAR
VIEW IS FROM
THE REAR
VIEW IS FROM
THE REAR

11
ASSEMBLY INSTRUCTIONS
BELOW ARE RECOMMENDED LOCATIONS OF THE TORSION PIVOT ASSEMBLY, ALTERNATE LOCATIONS MAY BE USED IF INTERFERENCE OCCURS!
5000-045 & 5000-045A-GER 18 ROW 20”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –Geringhoff models must use a gearbox
5000-046, 5000-046B-CNH, & 5000-046A-GER 12 ROW 22”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –CNH & Geringhoff models must use a gearbox
5000-047 & 5000-047A-GER 18 ROW 22”
Arrows indicate 5000-187/5000-184 Torsion Pivot locations –Geringhoff models must use a gearbox
5000-048 JD 8R30”FOLDING
Arrows indicate 5000-187 Torsion Pivot locations –Most mount brackets must use a gearbox
VIEW IS FROM
THE REAR
VIEW IS FROM
THE REAR
VIEW IS FROM
THE REAR

12
ASSEMBLY INSTRUCTIONS –CASE & NEW HOLLAND
Step 1: Attach the 5000-187 torsion mount bracket to the frame using 2) ½ X 4 ½” bolts w/ torque patch & 2) 9/16ID X 1 3/4OD
X ¼ thick washers on the front side & 2) ½ X 6 ½ bolts with torque patch & 2) 9/16ID X 1 3/4OD X ¼ thick washers on the back
side. Thread bolts into the gear boxes by hand & tighten with impact wrench & ¾ socket. See page 13 for the next step.
ASSEMBLY INSTRUCTIONS –JOHN DEERE
Step 1: Attach the 5000-187 torsion mount bracket to the frame using 4) M16 X 110 flange head bolts & 2) 5000-420 clamp
straps. Thread bolts into the clamp straps by hand & tighten to torque specifications. Note: Torque the M16 bolts @ 236 ft. /lbs.
Alternative Step 1: (20”-22” row spacing) Remove (1) toolbar strap from gear box, then attach the 5000-168 torsion mount brackets to frame &
gear box using 2) M16 X 120 flange head bolts & (1) 5000-420 clamp & 2) M16 X 110 flange head bolts. Some situations may require 1 side of
the gear box to install a mounting bracket. Mounting locations may vary. The photo below on the left illustrates the gear box bolt & clamp that
need removed. The photo below on the right illustrates: Arrow A –Using 1 side of gear box to mount 5000-158 torsion mount bracket using 2)
M16 X 120 flange head bolts. Arrow B –Using 1) 5000-420 clamp & 2) M16X 110 flange head bolts. Note: Torque M16 bolts @ 236 ft./lbs.
NOTE: Each roller has 2 Locking Torsion Assemblies & it is best to have the 2 Lock Handles facing each other (for
easier accessibility) UNLESS that puts the handle directly under the snapping rolls. In this case, flip the Locking Torsion
Assembly around to keep the handle between the rows.
½ X 4 ½
BOLT
½ X 6 ½
BOLT

13
ASSEMBLY INSTRUCTIONS
Step 2: Install the 5000-292 Torsion Arm onto the Locking Torsion Assembly & secure with ¾” x 8” bolts & ¾” lock nuts. Refer to
the diagrams on the pages 10 –12 to determine which side of the Torsion Pivot Assembly to install the 5000-292 Torsion Arm.
NOTE: Torsion Assemblies shown with handle in locked up position. Turn handle vertical for this assembly process.
Step 3: Attach the roller mount to pivot arms using ½” x 2-1/2” x 3-1/2” U-bolts & lock nuts. See the diagrams on
pages 10 –11 to determine orientation of the roller & roller mount tube locations. DO NOT tighten U-bolts until the
roller & bearing are mounted.
NOTE: The bearing support tab on the roller mount tube should be on the backside of the bearing mount plate.
Torque to 85ft/lbs.
SIDE
VIEW

14
ASSEMBLY INSTRUCTIONS
Step 4: Insert the shim washer over the shaft on each end of the roller. Install the bearing over the shaft on each
end of the roller so that the side of the casting that has the bearing protruding past the housing surface is towards
the roller barrel & shim washer. Lift each roller into place so that the bolt holes on the cast line up with the
mounting tabs on the roller arm mount tube. Install the ½” X 2 ½” bolts and tighten the ½” lock nuts. Once the
roller & bearing hardware is fastened, spin the roller to ensure the bearing was installed correctly. If the roller was
installed incorrectly, the roller will not spin or will have drag. Slide the roller mount tube to gain clearance on each
end of the corn head, center the traction bar under the row as much as possible, & then tighten the hardware from
Step 3. In some circumstances, the traction bar may have to be off-center of the row some.
Step 5: (If Applicable) On chopping corn heads, trim 3 inches off the bottom of the back curtain to keep roller from
contacting curtain & allow better residue flow. The center divider curtain will also have to be trimmed for clearance.
NOTE: Make sure the chopping blades are sharp enough to size the residue into smaller pieces for better flow
between the back curtain & roller mount tube.
NOTE: AFTER FASTENING THE MOUNTING HARDWARE
FOR THE BEARINGS, SPIN EACH ROLLER BY HAND TO
MAKE SURE EACH ROLLER SPINS FREELY.

15
LOCK UP
To “lock up” Devastator rollers, lower head down & rotate the locking handle 90 degrees. If the handle is vertical, the devastator will
be in operation mode. If the handle is horizontal & is in front of the pivot arm (see yellow circle below), the devastator is locked up.
On torsion style devastators without the lock up feature, a 5000-430 Lock Pin can be ordered separately to lock up devastator
rollers. 6 row heads require 1 lock pin, 8/12 row heads require 2, 18 row heads require 3.
Operating Position Locked Up Position
OPERATION
CORN HEAD ANGLE NEEDS TO BE ADJUSTED BETWEEN
22 –25° FOR OPTIMUM DEVASTATATOR PERFORMANCE.
USE THE 5000-455 TO CHECK CORN HEAD ANGLE:
- Put the combine on a level surface. Lower the
Corn head to your normal working head height.
- Place the magnetic protractor on the stripper
plate to get the angle. Adjust the feeder house
as needed, fore or aft, to achieve 22 –25 degrees.
-Adjust the snouts to raise/lower head to preferred head height.
ARM WILL PIVOT BACK AS
CORN HEAD IS LOWERED &
ROLLER CONTACTS GROUND

16
STORAGE/TRANSPORT
- Head cart may need adjusted to fit the head with devastator correctly. E.g. raising or fore/aft adjustment of saddles/top rail on the head cart.
- If head cart does not have these adjustments, adding a tube extension to top rail or adding extension to saddle/corn head may be required.
- Side to side tilt may need used to clear taller head cart tires or locking the devastator up.
- When disconnecting from the head, leaving pressure on the torsion pivot of the devastator will not damage the devastator.
BEARING REPLACEMENT / MAINTENANCE
Put bearing housing in a vice, use a pry bar to turn bearing in the housing parallel with the slots, remove old bearing, apply
anti-seize lubricant to the interior of the bearing housing, insert the new bearing in the slots, & use a pry bar to move back to
position. Wobble bearing around to help work the lubricant into the outer race of the bearing.
Anti-seize needs to be applied each year to the bearings to allow them wobble/pivot freely to extend service life.

17
5000-040C & 5000-040A-GER PART IDENTIFICATION
JD 606C/706C/C6R & GERINGHOFF 6R30 MODELS
ITEM
PART #
DESCRIPTION
QUANTITY
1
2502-353
½ - 13 X 2 ½ HHCS GR 8 ZP
12
2
2502-430
¾ - 10 X 8 HHCS GR 8 ZP
4
3
2502-805
M16 X 2 X 120 HEX FLANGE BOLT, THREADLOCK, ZP (USED ONLY IN GEAR BOXES)
16
2502-806
M16 X 2 X 110 HEX FLANGE BOLT, THREADLOCK, ZP ( USED ONLY IN 4” CLAMP STRAPS)
16
4
2520-357
1/2-13 LOCK HEX NUT, GR A, ZP
28
5
2520-604
¾ - 10 HEX TOP LOCK NUT
4
6
2570-568
½ X 2 ½ X 3 ½ U-BOLT
8
7
5000-187
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-040C)
4
5000-184
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-040A-GER)
4
8
5000-272
3R30 ROLLER W.A.
2
9
5000-275A
4R20/3R30 ROLLER MOUNT W.A.
2
10
5000-292
TORSION ARM W.A.
4
11
5000-322
SHIM WASHER W.A.
4
12
5000-355
BEARING ASSEMBLY
4
2550-059
DEVASTATOR BEARING (NO CAST HOUSING)
4
13
5000-420
4” CLAMP STRAP, TAPPED
8
14
5000-468
SPACER
4
15
5000-469
SECURITY CAP
8
5000-072
GERINGHOFF ADAPTOR KIT (NOT SHOWN, USED ONLY IN 5000-040A-GER)
4
FRONT VIEW

18
5000-041C & 5000-041A-GER PART IDENTIFICATION
JD 608C/708C/C8R & GERINGHOFF 8R30 MODELS
ITEM
PART #
DESCRIPTION
QUANTITY
1
2502-353
½ - 13 X 2 ½ HHCS GR 8 ZP
18
2
2502-430
¾ - 10 X 8 HHCS GR 8 ZP
6
3
2502-805
M16 X 2 X 120 HEX FLANGE BOLT, THREADLOCK, ZP (USED ONLY IN GEAR BOXES)
24
2502-806
M16 X 2 X 110 HEX FLANGE BOLT, THREADLOCK, ZP ( USED ONLY IN 4” CLAMP STRAPS)
24
4
2520-357
1/2-13 LOCK HEX NUT, GR A, ZP
42
5
2520-604
¾ - 10 HEX TOP LOCK NUT
6
6
2570-568
½ X 2 ½ X 3 ½ U-BOLT
12
7
5000-187
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-041C)
6
5000-184
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-041A-GER)
6
8
5000-268
2R30 ROLLER W.A.
1
9
5000-269A
2R30 ROLLER MOUNT W.A.
1
10
5000-272
3R30 ROLLER W.A.
2
11
5000-275A
4R20/3R30 ROLLER MOUNT W.A.
2
12
5000-292
TORSION ARM W.A.
6
13
5000-322
SHIM WASHER ZP
6
14
5000-355
BEARING ASSEMBLY
6
2550-059
DEVASTATOR BEARING (NO CAST HOUSING)
6
15
5000-420
4” CLAMP STRAP, TAPPED
12
16
5000-468
SPACER
6
17
5000-469
SECURITY CAP
12
N/A
5000-072
GERINGHOFF ADAPTOR KIT (NOT SHOWN, USED ONLY IN 5000-041A-GER)
6
FRONT VIEW

19
5000-042C & 5000-042A-GER PART IDENTIFICATION
JD 1290/612C/712C/C12R & GERINGHOFF 12R20 MODELS
ITEM
PART #
DESCRIPTION
QUANTITY
1
2502-353
½ - 13 X 2 ½ HHCS GR 8 ZP
18
2
2502-430
¾ - 10 X 8 HHCS GR 8 ZP
6
3
2502-805
M16 X 2 X 120 HEX FLANGE BOLT, THREADLOCK, ZP (USED ONLY IN GEAR BOXES)
24
2502-806
M16 X 2 X 110 HEX FLANGE BOLT, THREADLOCK, ZP ( USED ONLY IN 4” CLAMP STRAPS)
24
4
2520-357
1/2-13 LOCK HEX NUT, GR A, ZP
42
5
2520-604
¾ - 10 HEX TOP LOCK NUT
6
6
2570-568
½ X 2 ½ X 3 ½ U-BOLT
12
7
5000-187
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-042C)
6
5000-184
LOCKING TORSION ASSEMBLY (USED ONLY IN 5000-042A-GER)
6
8
5000-267
4R20 ROLLER W.A.
3
9
5000-275A
4R20/3R30 ROLLER MOUNT W.A.
3
10
5000-292
TORSION ARM W.A.
6
11
5000-322
SHIM WASHER ZP
6
12
5000-355
BEARING ASSEMBLY
6
2550-059
DEVASTATOR BEARING (NO CAST HOUSING)
6
13
5000-420
4” CLAMP STRAP, TAPPED
6
14
5000-468
SPACER
6
15
5000-469
SECURITY CAP
12
5000-072
GERINGHOFF ADAPTOR KIT (NOT SHOWN, USED ONLY IN 5000-042A-GER)
6
FRONT VIEW

20
5000-042B-CNH PART IDENTIFICATION
CNH 2212, 2412, 3412 & NH 96C, 996, & NH98D 12R20 MODELS
ITEM
PART #
DESCRIPTION
QUANTITY
1
2502-279
½ - 13 X 4 ½ GR 5 ZN, TORQ-PATCH
12
2
2502-353
½ - 13 X 2 ½ HHCS GR 8 ZP
18
3
2502-359
½ - 13 X 6 ½ HHCS GR 5 ZN, TORQ-PART
12
4
2502-430
¾ - 10 X 8 HHCS GR 8 ZP
6
5
2520-357
1/2-13 LOCK HEX NUT, GR A, ZP
42
6
2520-604
¾ - 10 HEX TOP LOCK NUT
6
7
2526-402
9/16ID X 1 3/4OD Z 1/4MB ZP
24
8
2570-568
½ X 2 ½ X 3 ½ U-BOLT
12
9
5000-187
LOCKING TORSION ASSEMBLY
6
10
5000-267
4R20 ROLLER W.A.
3
11
5000-275A
4R20/3R30 ROLLER MOUNT W.A.
3
12
5000-292
TORSION ARM W.A.
6
13
5000-322
SHIM WASHER ZP
6
14
5000-355
BEARING ASSEMBLY
6
2550-059
DEVASTATOR BEARING (NO CAST HOUSING)
6
15
5000-468
SPACER
6
16
5000-469
SECURITY CAP
12
FRONT VIEW