John Deere 1250 Planter Operator’s Manual Instant Download (Publication No.OMA22852)

1
1250 PLANTER
Y
C
D
OPERATORS MANUAL 1250 PLANTER
OMA22852 B3
English
B 3
O M A 2 2 8 5 2
PLOW PLANTER WORKS OMA22852 B3
LITHO IN THE U.S.A. ENGLISH
2
To the Purchaser
This new planter was carefully designed and man
u- factured to give years of dependable service.
To keep it running eff iciently, read the
instructions in this op- erator's manual. Each
section is clear Iy identified so you can easily
find the information you need - wheth- er it is
operation, Iubrication, or service. Read the
Table of Contents to learn where each section is
lo- cated. Use the alphabetical index for fast
reference. In addition to the equipment
furnished with your planler, attachments are
available to help you do a better job in spec
ial crop conditions. These are de- scribed in
the special equipment section of this man- ual
and can be purchased from your Joh n Deere
dealer. Right-hand" and left-hand" sides are
determined by facing in the direction the planter
will travel when in use.
Record your planter seri al num bers in the space
provided on page 91. Your dealer needs this
informa- tion to give you prompt, effic ienI
service when you order parts or attach men ts. I
f your plan ter requires r eplacem ent parts, go
to your Joh n Deere dealer where you can obtain
gen uine John Deere parts - accept no
substitutes. The warranty on this planter appears
on your copy of the purchase order which you
should have re- ceived from your dealer when
you purchased the plante r. This safety
alert symbol identifies important j_at_ safety
messages in this manual . When you see this
symbol, be alert to the pos sibility of personal
inju- ry and carefully read the message that
follows.
3
IDENTIFICATION VIEW .. . . OPERATION SAFETY
SUGGESTIONS LUBRICATION SERVICE TROUBLE SHOOTING
SPECiAL EQUIPMENT . . ASSEMBLY SPECIFICATIONS
INO6X . ...
2-31 32 . 3335 _at_6-42 4345 46-89 . 90-106
4
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5
Operation
PREPARING THE TRACTOR
The tractor must be equipped with an 8-inch
stroke hydraulic cylinder that conforms to
ASAE-SAE stan- dards.
On tractors with an adjustable drawbar, place
drawbar approximately 15 inches from the grc and
bolt it in the center of the tractor. If
possible, set the tractor rear wheels 80-1/2 ir
es, center-to-center of tread and equal distance
f the center line of tractor. The planter ground
wh. will then run in the center of the tracks
left by the i wheels of the tractor. If this
cannot be done, it is I to adjust the tractor
rear wheels so the planter wh run entirely out
of the tractor wheel tracks.
IMPORTANT Adjust the metering valve arm on the
tractor selective control valve so the planter
will not raise to the desired height in less than
2 seconds. Failure to do so may result in damage
to the planter.
PREPARING THE PLANTER Lower th e planter unt iI
th e runners rest on
Tire Inflation
ground. Loosen the bolts in the sill bar brackets
detach the pressure rods from the main
frame. Select the desired row spacing and
position units as follows Place one inside unit
one-half the distance of des ired row w idth from
the cente r of the pl an frame to the center of
the sill bar bracket. Place other units at the
desired row width or multiples of row w idth from
this unit. Tighten botto m siII I bracket bolts
first as shown at A." Then tighten b Sill bar
bracket bolts. Attach pressure rods to planter
frame in approl ate holes.
Be sure 6.70-15 traction-type tires on planter
are inflated to 24 psi of air pressure.
Row Widths The 1250 Planter is available in the
following row S aC 0S Plate-Type Units - four
38- and 40-inch row spac- ings and six 28- and
30-inch row spacings. Plateless-Type Units -
four 38- and 40-inch row spacings and six
30-inch row spacings.
To cha9e the row widths, proceed as follows
6
Operation '
Lubrication Be sure your planter has been
properly lubricated. Consult the lubrication
charts on pages 33, 34, and 35 for guidance in
lubricating your planter. Regular'and systematic
lubrication is the best as- surance against
breakdowns and delays. I t will help you get
better service from your planter and save on your
maintenance costs. 28-Inch Row Spacing
Application - Plate Only

1. Install ratchet drive assembly.
2. (Four Wheel Attachment Only) Install ratchet
   drive assembly.

0 P E fi ChD F 0 Rfl ARO
5. Install the drive chain. Be sure the open ends
of th e Iinks run in the directi on of travel .
Tigh ten th e chain idler.

• Install the complete wheel assemblies in wheel
  frame brackets and secure in place with axle
  bolt.
• Bolt wheel frame brackets to wheel frame.
• NOTE Install spacers at A.

7
4 Operas/on 28-Inch Row Spacing 71 Flexi-Planter
Application Only

• Install adjustable tie plate on main frame.
• NOTE install spacer af B. Position bearing
  shown.
• Install chain guide on adjustable tie plate.
• Install ratchet drive assembly.
• (Four Wheel Attachment Only) Install rate
• drive assembly.
• Out END f0RwAD

7. Install drive chain. Be sure open ends of ch
links run in direction of travel. Tighten chain
idler.

• Install the complete wheel assemblies in wheel
• frame brackets and secure in place with axle
  bolts.
• Bolt wheel frame brackets to wheel frame.
• NOTE Install spacers at A.

8
Operation 5
30-Inch Row Spacing Application and Plateless Only
- Plate

• Install adjustable tie plate on main frame.
• NOTE Install spacer at B."
• Install ratchet drive assembly.
• (Four Wheel Attachment Only) Install ratchet
  drive assembly.
• 0 P E h EN0 F 0RNA RD

6. Install drive chain. Be sure open ends of
chain links run in direction of travel. Tighten
chain idler.

• Install the complete wheel assemblies in wheel
  frame brackets and secure in place with axle
  bolts.
• Bolt wheel frame brackets to wheel frame.
• NOTE Install spacers at A."

9
t Operation 38- and 40-Inch Row Spacing
Application Plate, Plateiess, and 71 Flexi-Planter
0P E X E X 0 F 0R0 ARO
5. Install drive chain. Be sure open ends of ch
links run in direction of travel. Tighten chain
idler. Marker Adjustment

• Install the complete wheel assemblies in wheel
• frame brackets and secure in place with axle
  bolts.
• Bolt wheel frame brackets to wheel frame.
• NOTE Install spacers at "A."

The marker illustrated is set for 30-inch row
width To change the markers to 40-inch row
widths, loos the setscrews so marker pipes will
slide. Set the i side end of each marker pipe to
line up with the we ter of the hole in the marker
arm, for desired re width. Turn each marker pipe
so bracket "A" is position illustrated. Tighten
the setscrews securely hold markers in position.
The angle of each mark disk may be adjusted for
various soil conditions loosening bolt "B" and
turning the disk. After adj u' ment is made
tighten bolt "B" securely. When the 1250 Planter
is used to plant six 28-in rows with
plate-type units, position markers 1\ inches
from center of planter main frame to ea marker
disk.

• Install adjustable tie plate on main frame.
• NOTE Install spacer at "B."
• Four Whee/ Attachment cannot be used in 38- and
  40-inch row spacing application.
• Install ratchet drive assembly as shown.

10
Opera tion Z
HITCHI NG
I R
With the planter resting on the stand, back the
tractor to the planter so the planter hitch is
straight in line with the tractor drawbar.
Install the remote hy- draulic cylinder on the
planter and set stop A, as il- lustrated, so
the cylinder will retract all the way. This will
permit the planter press wheels to gauge the
planting depth. Install the hydraulic hose in the
hose holde.r. Extend the cylinder and disconnect
the trans- port links from the transport
lug. Remove the clevis pin from the clevis and
place it in the hitch extension holes, as
illustrated, to hold the clevis straight out. If
the clevis is installed in the up- per holes,
place clevis pin in the lower hitch extension
holes. Place the marker control chains over the
fertilizer drive if used, under the support pipes
and through the chain guides. Attach the marker
control chains to the springs and chain
arm. Retract the hydraulic cylinder until the
planter hitch is the same height as the traclor
drawbar. Attach the clevis to the tractor drawbar
with the clevis pin and secure in place with the
retaining pin as shown. Ex- tend the hydraulic
cylinder to raise the planter off the stand.
Attach the chain arm at right angles to the
tractor drawbar. Tighten the bolt securely as the
marker chain arm must be held rigidly to the
tractor drawbar. Set the clevis in holes B,
C, or D, so the low- er edge of the planter
hitch is parallel to the ground when in planting
position. NOTE Retighten all bolts in hitch
panel atter plant- ing approximately tive acres.
11
8 Operation
HITCHING - Continued
Attach the spring to chain arm, and hook the rigf
hand marker control chain to spring at the shorts
link possible, without stretching the spring. Now
pull the right-hand marker control chain ur the
marker control lever points to left-hand side
planter. Attach the spring to chain arm, and hook
the Ie hand marker control chain to spring at the
shorte link possible, without stretching the
spring. NOTE Be certain a// paris ol marker
assemb move freely.
Marker Lift Chains
Pull the pins and push the planter stand up over
the planter stand hitch rod. Hook the front legs
of the stand over the rod on the hydraulic
cylinder bracket. Hold the planter stand in place
with the pins. To place the planter stand back
into position for unhooking from planter,
reverse the above proce- dure.
Marker Control Chains
With the remote hydraulic cylinder extended t
maximum length, pull marker life chains tight at
eac end of planter and adjust each lift chain in
the marke chain retainer so marker arm is snug
against th marker stop. Place the loose end of
each marker chain in th marker stop.
CAUTION Keep the loose end of each marke chain
in the marker stop at all times, excep when
planting, Io prevent marker from falling.
Pull the left-hand marker control chain until
marker control lever points to right-hand side of
planter, as illustrated.
12
Operation 9
marker stops before lowering the planter in the
field. NOTE When planting the rows next to the
lence, hold the markers up by inserting the
marker chains in the marker stops. When markers
are latched up, chains will be slack. When
raising planter, be very careful that slack chain
does nof catch and break. The position of the
marker control lever will deter- mine which
marker will drop when the planter is low- ered.
TRANSPORTING
Extend the remote hydraulic cylinder and insert
the pin in hole A" as shown. Empty all hoppers
when transporting the 1250 Planter for any great
distance. NOTE Be sure fo place the selector
gate on fhe plateless planting unit s eed hopper
in the "OFF posi- tion before transporting
planter.
When the marker control arm points to the right-
hand side of the planter, as illustrated, the
left-hand marker will drop. The marker control
arm will stay in this position, and the left-hand
marker will raise and drop when planter is raised
and lowered until the trac- tor is turned sharply
to the left. Then the right-hand marker control
chain will tighten and point the marker control
arm toward the left-hand side of the planter and
the right-hand marker will drop when the planter
is lowered. The marker that is down will
automatically raise when the planter is raised.
CAUTION When transporting the planler on a road
or highway at nigh! or during the day, use
accessory lights and devices for adequate warning
to operators of other vehicles. In this regard,
check lo- cal governmental regulations. Various
safety lights and devices are available trom your
John Deere deal- er.
If the left-hand marker will not drop after a
sharp right turn, shorten the left-hand marker
control chain at spring, one link at a time,
until left-hand marker will drop after a sharp
right turn. Shorten the right-hand marker control
chain if right-hand marker fails to drop after a
sharp left turn.
After reaching the field, extend the remote
hydraul- ic cblinder and place the pin as
illustrated.
MARKERS Remove the end of each marker chain trom
the
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14
Operation 11 PLATELESS PLANTING UNITS - DRILL
ONLY
Planting Depth Planting depth is gauged by the
planter press wheel and not b'/ the tractor
remote hydraulic cylinder. The remote hydraulic
cylinder must be fully retracted when
planting. NOTE When using double-disk turrowers,
turrow- ers gauge depth ol seed planter press
wheel gauges depth ol furrow.
NOTE Do not attempt to penetrate the plow pan.
In hard soil conditions, this could cause the
planter drive wheels to raise oil the
ground Adjust all planting units so the spring
pressure is the same on each unit. NOTE Wtien
operating in the tield, lower the plant- er only
when the tractor is moving forward. This will
prevent the planter runners from clogging in
moist soi/ conditions.
Planting depth of each unit is determined by the
setting of the depth adjusting cam. To decrease
planting depth, pull out on the adjusting stop
and ro- tate depth adjusting cam clockwise.
To increase planting depth, pull out on
adjusting stop and rotate depth adjusting cam
counterclockwise. Each hole represents a change
of approximately 3/8 inch in planting depth.
Adjust all units to plant at the same
depth. NOTE Adisiing stop may not be set in the
same position for all planting units when adi
sted tor the same planting depth.
In some tield conditions where planter frame must
be closer to ground than normal, and when there
is no additional adjustment in pressure rod,
position lift arm in hole A" in wheel frame.
Inspection and Cleanout
Rem ove i N SPE cci o eLUG and ch eck fin gers
per iodicall y. See SERV ICE sect ion, pages
36-42. For best operation remove CLEANOUT PLATE
and clean out finger pickup housing after each
day's use.
15
12
Operation
PLATELESSPLANTING UNITS - DRILL
ONLYContinued Selector Gate The selector gate
has three positions marked as folOWS' OFF, BEANS
SORGHUM, and CORN.
To plant soybeans, maize, or other small grain wi
the precision feed cup section of the planter, mo
the selector gate from the OFF position in a
count clockwise direction until it locks in
place in the po. tion marked BEANS SORG HUM.
For instructions using precision feed cup, see
page 17.
Before removing the hopper, turn the selector to
the OFF position to close the openings in the
hopper bottom. NOTE Be sure to turn selector
gate to OFF posi- fion /or transporting.
DRlLLi NG DISTANCES AND PLANT POPULATION The
sprocket combinations in the DRILLING DI! TANCE
chart provide different drilling distances b
tween seeds.
To plant corn with the finger pickup section of
the planter, move the selector gate from the OFF
position in a clockwise direction until it locks
in place in the position marked CORN.
Position the chain idler so there is 3/4-inch
slack ir the drive chain. NOTE No. 1 Idler
Sprocket is used with the I8- and 11-Tooth Driver
Sprocket combination at A. NO. 2 Idler
Sprocket is used with the 12- and i0- Tooth
Driver Sprocket combination at B.
The 12- and 10-Tooth Sprocket can be stored as
shown when not in use.
16
Operation 18
I MPORTANT The maximum recommended speeds shown
in the following charts are given for optimum
conditions. The greatest accuracy should occur at
speeds between maximum and one-half maximum. If
you plant too fast or too slow you may get
doubles, triples, skips, or erratic seed
spacing. PLANTING UNITS
72- and 10- Tooth Driver Sprocket and No. 2 Idler
Sprocket Combination
PLATELESS
PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE PLANT POPULATI ON AND APPPOX IMATE DRJLUNG DI STANCES l N I NCHES WITH 36-TOOT N SPRO CKET ON UNIT FOR PLANTER EOU TPPED WITH 6.7 0-15 TT RES TNFLATED TO 24 PSI Al R PRESSU RE
Maximum recommended speed (mph) Drilling distances (inches) Sprocket combinalions (number of teeth) Sprocket combinalions (number of teeth) idler procket number Plant population RoW width Plant population RoW width Plant population RoW width
Maximum recommended speed (mph) Drilling distances (inches) Driver Dneu idler procket number 30' J8 40
3 4-7/8 18 7 42800 33800 32000
4 5-1/2 18 8 37900 30000 28500
4 6-1/4 18 9 1 33400 26300 25100
5 7 18 10 1 29800 23500 22400
5 7-1/4 12 7 2 28800 22700 21600
5-1/2 8 11 7 1 26000 20600 19600
6 8-1/4 12 8 2 25300 20000 19000
6 8-1/4 18 12 1 25300 20000 19000
6 8-3/4 10 7 2 23800 18800 17900
6 9 11 8 1 23200 18300 17400
6-1/2 9-1/4 12 9 2 22500 J7800 17000
7 10 10 8 2 20900 16500 15700
7 10-1/8 11 9 1 20600 16300 5500
7 10-1/4 12 10 2 20300 16000 15300
7 11-1/4 10 9 2 18500 14600 13900
7 11-1/4 11 10 1 18500 14600 13900
7 12-1/2 10 10 2 16700 13200 12500
7 12-1/2 12 12 2 16700 13200 12500
7 12-1/2 7 7 2 16700 13200 2500
7 13-1/2 11 12 2 15400 12200 11600
7 14-1/4 7 8 2 14600 11600 11000
7 15 13900 11000 10400
7 16 2 13000 10300 9800
7 17-3/4 11700 9200 8800
21-1/4 2 9800 7700 74 00

• Special Sproc ket BB13381
• Special Sprocket BB1321 0

17
14 Operation
PLATELESS
PLANTING
UN ITS
PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE PLANT POPULATION AND APPROXJ MATE DRILLING DI STA NCES IN INCkfES WITH 28-TOOTH SPROCKET ON UNIT FOR PLANTER EOUIPPED WITH 6.70-15 TIREV INFLATED TO 24 PDT AIR PREsSURE
Maximum recommended speed (mph) Drilling distances (inches) Sprocket combinations (number of teeth) Sprocket combinations (number of teeth) Idler sprocket number
Maximum recommended speed (mph) Drilling distances (inches) Driver Driven Idler sprocket number 30 38" 40
2-1/2 3-7/8 18 7 1 53000 41800 40000
3 4-1/4 18 8 1 49000 39000 37000
3 4-7/8 18 9 1 42800 33800 32000
4 5-1/2 18 10 1 37900 30000 28500
4 5-5/8 12 7 2 37100 29300 27900
4 6-1/8 11 7 1 34000 26900 25600
4-1/2 6-1/2 12 8 2 32100 25300 24100
4-1/2 6-1/2 18 12 1 32100 25300 24100
5 6-7/8 10 7 2 30300 23900 22800
5 7 11 8 1 29800 23500 22400
5 7-1/4 12 9 2 28800 22700 21600
5 7-3/4 10 8 26900 21200 20200
5-1/2 8 11 9 1 26000 20600 19600
5-1/2 8 12 10 2 26000 20600 19600
6 8-3/4 10 9 2 23800 18800 17900
6 8-7/8 11 10 1 23500 18600 17700
7 9-5/8 10 10 2 21700 17100 16300
7 9-5/8 12 12 2 21700 17100 16300
7 9-5/8 7 7 2 21700 17100 16300
7 10-1/2 1J 12 1 19900 15700 14900
11 7 11 7 11 7 8 8 2 19000 15000 14300
7 11-5/8 10 7 11-5/8 10 7 11-5/8 10 12 12 2 17900 14200 13500
7 12-1/2 7 9 9 2 16700 13200 12500
7 13-7/8 7 10 10 2 15000 11900 11300
7 16-1/2 7 12 12 2 12700 10000 9500

• Special Sprocket BB13381
• Special Sprocket BB13210

18
Operation 15
PLATELESS
PLANTING
UNITS
PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE PLANT POPULATION AND APPROXIMATE DRILLING DISTANCES IN INCHES WITH 32-TOOTH SPROCKET ON UNIT FOR PLANTER EQUIPPED wITH 6.70J5 TIRES INFLATED TO 24 PSI AIR PRESSURE
Maximym recommended speed (mphT Drilling distances (inertes) Sprocket combinations (number of teeth) Sprocket combinations (number of teeth) ldler sprecket number
Maximym recommended speed (mphT Drilling distances (inertes) DYiver Driven ldler sprecket number so 30 " Æ0
3 4-1/4 18 7 49000 39000 37000
3-1/2 5 18 8 41700 32900 31400
4 5-1/2 18 9 1 37900 30000 28500
4 6-1/8 18 10 1 34000 26900 25600
4-1/2 6-1/2 12 7 2 32100 25300 24100
5 7 11 7 1 29800 23500 22400
5 7-1/4 12 8 2 28800 22700 21600
5 7-1/4 18 12 1 2800 22700 21600
5 7-3/4 10 7 2 26900 21200 20200
5-1/2 8 11 8 1 26000 20600 i9600
6 8-1/4 12 9 2 25300 20000 19000
6 8-7/8 10 2 23500 18600 17700
6 9 11 1 23200 18300 17400
6-J /2 9-1/4 12 10 2 22500 17800 17000
7 10 10 2 20900 16500 15700
7 10 11 10 1 20900 16500 15700
7 11 10 10 2 19000 15000 14300
7 11 12 12 2 19000 15000 14300
7 11 7 7 2 19000 15000 14300
7 12 11 12 2 17400 13700 13100
7 12-5/8 7 8 2 16500 13000 12400
7 13-1/4 10 12 2 15700 12400 11800 12 2 15700 12400 11800 12 2 15700 12400 11800 12 2 15700 12400 11800 12 2 15700 12400 11800
7 14-1 /4 7 9 2 14600 11600 11000
7 15-3/4 7 10 2 13200 10500 10000
7 19 7 12 2 10900 8600 8200
Special Sprocket BB13381 Special Sprocket
BB1321 0
19
16 Operation PLATELESS PLANTING UNITS PLnxT
PoPULArfolv anD nPnRoxiu4TE oniccinc oisrxncEs iu
Nvcics wirn 44-rooTH senocxcr or uuid FOR
PLASTER EOUUPPED WITH 6.701S TIRES INFLATED TO
24 PSI Al R PRE6SU RE
Maximum ceaommended speed (mph) Driliing distances (inches) Sprocket combinations (number of teeth) Sprocket combinations (number of teeth) Idler sprocket Plant population Plant population Plant population
Maximum ceaommended speed (mph) Driliing distances (inches) Driyer Driven Idler sprocket 30 38 40
4 6 18 7 7 1 34700 27400 26100
5 6-3/4 18 8 8 1 30900 24400 23200
5 7-5/8 18 9 9 1 27400 21600 20600
6 8-1/2 18 10 10 1 24500 19400 18400
6 8-7/8 12 7 7 2 23500 18600 17700
7 9-5/8 11 7 7 1 21700 17100 16300
10-1/8 12 8 8 2 20600 16300 15500
7 10-1/8 18 12 12 1 20600 16300 15500
7 11 10 7 7 3 19000 15000 14300
7 11-5/8 11 4 17900 14200 13500
7 12-1/8 12 9 9 2 17200 13600 13000
7 12-1/4 10 8 2 17000 13400 12800
7 12-1/2 11 9 16700 13200 12500
7 12-5/8 12 10 2 16500 13000 12400
7 13-5/8 10 9 2 15300 12100 11500
7 13-7/8 11 10 1 15000 11900 11300
7 15-1/4 10 10 2 13700 10800 10200
7 15-1/4 12 12'' 2 13700 10800 10200
7 5- 1/4 7' 7 2 13700 10800 10200
7 16-1/2 11 12 1 12700 10000 9500
7 17-1/4 7 8 2 12100 9500 9000
7 18-1/4 10 12 2 11400 9000 8600
7 19-1/2 7 9 2 10700 8400 8000
7 21-3/4 7'' 10 2 9600 7500 7200
7 26 7 2 2 8000 6300 6000

• Special Sprocket BB13381
• Special Sprocket BB13210
• NOTE Plant population may be aflecked adversely
  by wheel slippage, wrong tire size or pressure,
  shallo seed bed preparation, or too much down
  pressure on springs.

To check plant population, measure off the number
of feet in 1/100 of an acre for row width (see
table) . Then count the plants in that distance
and multiply by one hundred. EXAM PLE If you
have 30-inch rows, measure 174 feet of row. If
you count 224 kernels in the distance, you have
about 22,400 plant population (224 x 100) .
Row Width
40 38 30 28"
131 138 174 187
20
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21
Operation 17 PRECISION FEED CUP Plateless
Planting Units
Seed Guide for Soybeans
Feed cup tar Soybeans
When planting with the precision feed cup, disen-
gage the finger pickup by removing cap screws
A. This allows the finger pickup drive sprocket
to idle. Select the appropriate chart and
determine desired pounds per acre. The sprocket
combinations in the chart refer to the main frame
sprockets shown below, NOT the sprockets on the
planting units. S OR 0 C FE T S 1 2 T 0 0T ? 8
00 THE '
Seed Guide tor Regular Rate Sorghum Arfacfiment
Feed Gup tar Regular date Sorghum Attachment
7 T50Tfi " S'R0 ''S g CST '.
I- _', ' i8- and 11-Tooth Driver Sprocket and
No. 1 Idler Sprocket Comdinaf'on NOTE No. 1
Idler Sprocket is used with the 18- bold 11-Tooth
Driver Sprocket combination at A. No. 2 Idler
Sprocket is used with the 12- and 10- TOOth
Driver Sprocket combination at B. a,
The proper seed guide must be used as shown for
planting soybeans or sorghum. The same precision
teed cup is used for both applications but must
be positioned as shown for either soybeans or
sorghum. Adjust the feed cup for the regular rate
sorghum attachment as follows Loosen the two
long setscrews in the locking col- far and
install a collar, spring, washer, and spring
locking pin as shown. The spring will place the
collar in proper relationship to the feed cup.
After the collar is seated against the feed cup,
tighten setscrews in locking collar. The spring
is now no longer required, but may be stored on
the shaft. Be certain the selector gate is set at
BEANS SORGHUM when using the precision feed cup.
RO
f2- and f0- 7oo/h Driver Sprocket and No. 2
ldler Sprocket Gombina tion
22
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