Assembly Instructions Manual

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Great Plains Mfg., Inc. Parts Installation Instructions 1

Seed Box Agitator

Installation Instructions

General Information

These instructions explain how to install a seed box

agitator on the model 1205NT drill.

These instructions apply to an installation of:

One kit equips one drill.

Compatibility

This kit is compatible with all vintages and row spacings

of model 1205NTs manufactured after 2001-07-01. It is

not compatible with model 1200, 1210 or 1220 3-point

drills.

Parts and Tools Required

• Basic hand tools, including a protractor.

• Two people suggested for shaft installation.

Possible Chemical Hazard

This installation requires contact with interior components of

the main seed box. If treated seed has ever been used in the

box, follow chemical supplier instructions for protective

equipment and cleaning residue from the seed box.

Summary of content (14 pages)

PAGE 1
Parts Great Plains Mfg., Inc. Installation Instructions 1 Seed Box Agitator Installation Instructions Used with: • 1205NT When you see this symbol, the subsequent instructions and warnings are serious - follow without exception. Your life and the lives of others depend on it! General Information These instructions explain how to install a seed box agitator on the model 1205NT drill.
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Agitator Front Parts Great Plains Mfg., Inc. Notations and Conventions The following terms are used throughout this manual. Note: Paragraphs in this format provide useful information related to the current topic. “Left” and “Right” are facing in the direction of machine travel. An orientation rose in the line art illustrations shows the directions of Left, Right, Front, Back, Up, Down.
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Front Great Plains Mfg., Inc. Parts Installation Instructions 3 Assembly Instructions Drive Installation If your drill is equipped with either a Small Seeds or Fertilizer Attachment, a majority of the drive system is already in place, If this is the case, continue at “Agitator Shaft Installation” on page 5. U R Bearing Mount Plate Start at the left side of the drill. 45 L B 53 F D 66 Refer to Figure 2 1. Remove the two front 1⁄2 × 1 incha long bolts 1 that join the box to the frame.
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7. Agitator Front Parts Great Plains Mfg., Inc. Select one new: 44 120-233D HEX SHAFT 7/8 X 26 1/2 69 805-023C PIN ROLL 3/16X1 1/4 PLT 71 808-143C SPKT 40B12 7/8 HEX BORE W/SS Slide the 7⁄8 inch hex jackshaft 44 through the hex bore bearings 77 with the end of the shaft with multiple holes toward the left end of the drill. Trap the shaft by driving a 3⁄16 x 11⁄4 inch long roll pin 69 on either side of the bearing 77 and 12 tooth sprocket 71 . 8.
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Great Plains Mfg., Inc. Front Parts Installation Instructions 5 Agitator Shaft Installation If your drill was manufactured before 2001-07-01, remove the left and right box end covers. Save the screws, washers, and nuts for re-use. Note: For drills manufactured after 2001-07-01, Refer to Figure 4: 1. Remove the right and left end bearing cutout cover plates 4 . Save the 3⁄8-16 x 11⁄4 inch long bolts, and 3 ⁄8 inch flat and lock washers for reuse in the same location. Refer to Figure 5: 2.
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Agitator Front Parts Great Plains Mfg., Inc. Refer to Figure 6 4. Unpin the top of the hydraulic cylinder located at the left side of the drill and lower the cylinder to the frame in order to access the hex shaft insertion point. 5. Slide the 3⁄4 inch hex shaft 37 into the seed box from the left side of the drill. Note: The hub of the 17T-3⁄4 inch hex bore sprocket 40 should be turned towards the center of the drill.
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Great Plains Mfg., Inc. Front Parts Installation Instructions 7 Final Drive Connection Refer to Figure 8 1. Select one new: 46 136-060D CHAIN RL #40 61 PITCHES or 48 136-110D CHAIN RL #40 100 PITCHES 2. 3. 4. 48 Thread the drive chain 46 back through the cutout in the box, around the agitator sprocket 40 and back to the front 12 tooth sprocket 71 as shown. After connecting the chain, check the alignment of the sprockets.
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Agitator Front Parts Great Plains Mfg., Inc. Agitator Paddle Installation Refer to Figure 8: 8. Select as needed: 35 35 118-493D AGITATOR PADDLE 3/4 HEX 57 802-448C HFSS 1/4-20X2 GR5 63 803-088C NUT HEX LOCK 1/4-20 FLG 57 Slip one paddle 35 over the hex shaft directly above a feed cup. Insert a 1⁄4-20 x 2 inch long hex flange bolt 57 through the paddle and secure with a 1 ⁄4 inch hex flange lock nut 63 .
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Great Plains Mfg., Inc. Front Parts Installation Instructions 9 Close-Out Raise the drill to transport height. Verify that the chains lift the agitator to adequate ground clearance. If more clearance is desired, move the upper bolts a few links further down the chains. Agitator Operation The agitators engage/disengage automatically as the drill is lowered and raised in field operations, and require no change to normal operations. Agitator Maintenance • Check bolt torques periodically.
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Agitator Front Parts Great Plains Mfg., Inc. Appendix Torque Chart Bolt Head Identification Bolt Head Identification Bolt Size Bolt Size Grade 2 in-tpia Grade 5 Grade 8 8.8 10.9 Class 5.8 Class 8.8 Class 10.9 N-mb ft-lbd N-m ft-lb N-m ft-lb N-m ft-lb N-m ft-lb N-m 1 7.4 5.6 11 8 16 12 M 5 X 0.8 4 3 6 5 9 7 1 ⁄4-28 8.5 6 13 10 18 14 M6X1 7 5 11 8 15 11 5⁄ 16-18 15 11 24 17 33 25 M 8 X 1.
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Great Plains Mfg., Inc.
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Agitator Front Parts Great Plains Mfg., Inc. Part Lists New Parts Kits Contents The part call-out numbers in this list match all Figures in these installation instructions. Part descriptions match those in your updated Parts Manual. Callout Part Number Part Description Callout Part Number Part Description 11 118-598M MANUAL 12’EWNT AGITATOR 41 118-598M MANUAL 12’EWNT AGITATOR 12 118-593A 12’ EWNT 7 AGITATOR W/DRV 42 118-612L 12’ EWNT DRIVE HDW BNDL-FLD 13 118-594A 12’EWNT 7.
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Front Great Plains Mfg., Inc. Callout Part Number Parts Installation Instructions 13 Part Description 71 808-143C SPKT 40B12 7/8 HEX BORE W/SS 72 808-167C SPKT 40B14 X 3/4 HEX BORE 73 808-194C SPKT 40B22 7/8 HEX BORE & SS 74 817-025C NO. 40 12T IDLER SPKT. 75 822-032C FLANGETTE 52 MST 76 822-041C FLANGETTE 47 MST 77 822-119C BRG 7/8HEXX2.05OD SPH 78 822-128C BRG INS 3/4HEXX1.85OD SPH Quantities are units (“ea”).
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Agitator Front Parts Great Plains Manufacturing, Inc. Corporate Office P.O.