Used with: PS25120 Primary Seeder! PS25120 Primary Seeder Small Seeds Box Attachment Option 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! Before You Start! CAUTION! The approximate weight of the front roller assembly is 825 pounds. Use mechanical assistance when moving the front roller to help avoid injury. 5. Refer to Figure 2. Remove 1/2-13 x 2 long bolts (#2). Replace front roller hub & stub shaft assembly with new front roller hub drive shaft assembly, see figure 3. Bolt into place using the same hardware removed earlier. 6. Raise front roller and bolt into place using 1/2-13 x 1 3/4 long bolts (#1) and hardware removed earlier. 7. Lower seeder. These option assembly instructions contain only information on assembling the attachment to the main unit. A detailed Operator s Manual was supplied with the main unit when it was purchased. For more specific information on safety concerns refer to the Operator s Manual. Also included in the Operator s Manual is important information on operation, adjustment, troubleshooting, and maintenance for this attachment (some of these sections do not apply to all options). A separate Parts Manual for replacement parts can be purchased from your dealer. Have model and serial numbers handy when placing an order. Manual Part Numbers: PS25120 Primary Seeder Operator s Manual....313-156M PS25120 Primary Seeder Parts Manual........ 313-156P General Information These option assembly instructions apply to the Small Seeds Attachment Option listed below: 313-113A PS25120 Small Seeds Attachment Starting on page 10 is a detailed listing of parts included in this kit. Use this list as a checklist to inventory parts received. Front Roller Removal & Installation Figure 1 12969 NOTE: If your seeder already has a Drive Shaft on the left end of the front roller, skip this section and go on to Box Removal & Spacer Installation. If your seeder does not have a Drive Shaft on the left end, you will need to contact your dealer to order a new Front Roller Hub & Drive Shaft Assembly. 1. Raise the seeder so the front roller can be removed easily. Secure seeder to prevent injury or damage to your unit.! CAUTION! Do not use front or end wheels for securing seeder in raised position. 2. Remove the chain guard on the right hand side of the seeder. 3. Remove the roller chain from the sprocket on the front roller. 4. Refer to Figure 1 and remove 1/2-13 x 1 3/4 long bolts (#1) on the left hand side, and using mechanical assistance lower the front roller. Figure 2 12970 Copyright 2006 Printed 2/20/06 313-172M 1
Great Plains Mfg., Inc. 12971 Figure 3 NOTE: Units Below Serial No. 128598 - if your unit is not updated with a replacement drive kit, contact your dealer for details. You will also need to order a replacement chain guard (part no. 313-147S) and mounting brackets. On page 5 you will find installation instructions for the replacement chain guard. Box Removal & Spacer Installation For the following installation instructions, seeder must be in the lowered position and secured to prevent injury or damage to your unit. 1. Front and End Wheel Units - Disconnect hydraulic hoses from wheel cylinders. Free hoses from wheel brackets and box and keep handy for reassembly. 2. Removal of feed cup drive on right hand end: a. Ag Drive Units - see Figure 4 & Figure 5. Remove chain guard. Remove Chain A and add 8 chain links, included with kit. Remove Chain B, drive sprocket and idler speed change. Keep chain guard, chains and sprockets handy for later use. Figure 5 12973 b. Turf Drive Units - see Figure 6. Remove chain guard. Remove both chains and add 4 links, included with kit, to each chain. Remove drive sprocket. Keep chain guard, both chains and drive sprocket handy for later use. 12974 Figure 6 Figure 4 12972 Refer to Figure 7: 3. 3-Point, Pull-type, and Front Wheel Units - Remove the parking stand from the left hand side (3-Point units only) and keep bolts, washers, nuts and stand handy for later use. Remove and save 3/8-16 x 1 long bolts (#3) and 5/16-18 x 3/4 long flange bolts (#4) and 5/8-11 x 1 3/4 long bolts (#5). 4. End Wheel Units - Remove and save 3/8-16 x 1 long bolts (#3) and 5/16-18 x 3/4 long flange bolts (#4). Remove 5/8-11 x 2 1/4 long bolts from end wheel mounts and place end wheels aside for later installation. 5. Using mechanical assistance, raise seed box off frame. 2 2/20/06
12975 Figure 7 6. Refer to Figure 8. Remove 3/8-16 x 1 long flange bolts (#6). Remove right and left hand box supports (#7 & #8) and replace with right and left hand box supports (#9 & #10) supplied with kit. Remove hose guard (#11) from old box support and move to new box support. Figure 9 12977 8. Refer to Figure 10 and install a y-tube (#13) and clamp (#14) to the bottom of each seed tube hose attached to feed cups. 12978 Figure 10 12976 Figure 8 7. Refer to Figure 9. Install right and left hand small grass seeds spacers with 3/8-16 x 1 long bolts (#12) supplied with kit. 9. Carefully lower box onto the frame making sure the y-tubes fit into the holes on the seed deflector. 10. Refer to Figure 11. Bolt seed box to spacers with 3/8-16 x 1 long bolts (#3) and 5/16-18 x 3/4 long flange bolts (#4) that 3
Great Plains Mfg., Inc. you removed in step 3 or step 4. 12981 Figure 13 12979 Figure 11 11. Refer to Figure 12. Install spacer plate (#15) on each end of seeder with 5/8-11 x 2 1/2 long bolts (#16) using 5/8 flat washers (#17) for spacing between the seed box and the spacer plate. Reattach parking stand (3-point units only). Figure 14 12982 b. Turf Drive Units - see Figure 15 & Figure 16. Drill two 9/32 holes, see Figure 15. Relocate the Latch Keeper Bracket and the two Chain Guard Brackets as shown in Figure 16. 12980 Figure 12 12. Relocation for drive chain guard brackets: a. Ag Drive Units. Drill four 9/32 holes, see Figure 13. Relocate the Latch Keeper Bracket and the two Chain Guard Brackets as shown in Figure 14. 12983 Figure 15 4 2/20/06
Figure 16 12984 13. Reassemble chain(s) to feed cup drive on right hand end, making adjustments as necessary. Install chain guard. 14. Front and End Wheel Units - Route hoses through box supports and wheel bracket hose retainers (see your Operator s manual for detailed instructions on hydraulic plumbing.) Installation of Replacement Chain Guard 1. Remove three chain guard brackets (#1), see Figure 17. 12986 Figure 18 3. Figure 19. Install two new latch keeper brackets and three new chain guard brackets (#2) using 1/4-20 x 3/4 long bolts, and 1/4 flange nuts. Figure 17 12985 12987 Figure 19 2. Drill four 9/32 holes on bottom right hand end plate and two 9/32 holes on the box right hand end plate as shown, see Figure 18. 15 Bushel Box Hole Locations Refer to Figure 20: 1. Eight 11/32 diameter holes will be required for mounting your Small Grass Seeds Box. These hole locations can be made off existing holes as shown. Mark and drill the holes using the dimensions shown. 2. The four holes marked Center Mounting Holes will be used to mount your Small Grass Seeds Box. You will need to remove the four 5/16-18 x 3/4 long flange bolts. Keep hardware to be used later. 30 Bushel Box Hole Locations Refer to Figure 21: 1. Ten 11/32 diameter holes will be required for mounting your Small Grass Seeds Box. These hole Location can be made off existing holes as shown. Mark and drill the holes using 5
Great Plains Mfg., Inc. the dimensions shown. 2. The two holes marked Center Mounting Holes will be used to mount your Small Grass Seeds Box. You will need to remove the two 5/16-18 x 3/4 long flange bolts. Keep hardware to be used later. Slow Moving Vehicle Bracket Mounting Refer to Figure 22 & Figure 23. Remove 5/16-18 x 3/4 long flange bolts (#1) and install slow moving vehicle bracket (#2) in the proper hole locations for your size seed box using the 5/16-18 x 3/4 long flange bolts. Do not install SMV Emblem until after Small Seeds Box has been mounted. 15 Bushel Box Figure 20 12988 30 Bushel Box Figure 21 12989 15 Bushel Box 30 Bushel Box Figure 22 12990 6 2/20/06
Small Seeds Box Mounting Refer to Figure 23: Center Small Seeds Box and fasten using the 5/16-18 x 2 long flange bolts (#3), spacers (#4), 5/16 flat washers (#5) and 5/16 flange nuts (#6) in the four center holes positioning the reinforcement plate (#7) against the Small Seeds Box. On the ends bolt the box to seeder using six 5/16-18 x 1 long flange bolts (#8) and adding the reinforcement strap (#9) to the inside of the seeder box. At the bottom hole on the end plate use two 5/16-18 x 1 1/4 long flange bolts (#10) and position the short reinforcement straps (#11) as shown. Using the bottom hole of the shorter reinforcement strap as a pilot, drill a hole through the seeder box and fasten using 5/16-18 x 1 1/4 long flange bolts (#10). Install Slow Moving Vehicle Emblem to bracket using 1/4-20 x 1/4 long screw (#12), 1/4 lock washer (#13) and 1/4 nut (#14). Small Grass Seeds Hose Installation Refer to Figure 24: Clamp the small seed hose (#1) to the small seed cup with a 15515 small hose clamp (#2) and route to the proper y-tube (#3) using another clamp to fasten. Figure 24 Figure 23 12000 7
Great Plains Mfg., Inc. Small Seeds Drive Instructions If your seeder already has the Agitator Option, skip this section and go to page 9. Drive Mounting Holes On the left hand end of your seeder: 1. Eight 9/32 diameter holes will be required to install brackets for the small grass seeds drive guards. Mark and drill these holes using the dimensions shown in Figure 25. 12993 Figure 27 12991 Figure 25 2. One 17/32 diameter hole will be required for an idler. Mark and drill these holes using the dimensions shown in Figure 26. 12992 Figure 26 3. Two 13/32 diameter holes will be required for sprocket assembly. Mark and drill these holes using the dimensions shown in Figure 27. Drive Installation Refer to Figure 28: 1. Attach latch keeper bracket (#1) and drive guard brackets (#2 & #3) as shown with 1/4-20 x 3/4 long flange bolts (#4) and 1/4 nuts (#5). 2. Install idler assembly-short (#10) with a 1/2-13 x 1 1/4 long carriage bolt (#12), idler spacer (#11), 1/2 lock washer (#13) and 1/2 nut (#14). Leave hardware loose for now. 3. Install sprocket assembly (#6) with 3/8-16 x 1 1/2 long bolts (#9), 3/8 flat washers (#8), spacers (#7) and 3/8 nuts (#15) as shown. 4. Install 23 tooth drive sprocket (#16) to roller left end drive shaft with 1/4 x 1 long key (#17), aligning with the 40 tooth sprocket on the sprocket assembly (#6). NOTE: The 38 tooth sprocket on the sprocket assembly (#6) is used only for the Agitator Option. 5. Attach jack shaft assembly (#18) leaving the two 3/8-16 x 1 long bolts (#19), 3/8 flat washers (#20) and 3/8 nuts (#21) loose for now. 6. Jack shaft sprocket assembly: a. Install speed change sprocket (#22) using a 3/16 x 1 long key (#23) and two 1/4-20 x 1/4 long set screws (#24), aligning either 48 tooth or 16 tooth sprocket (depending on high or low range) with the 23 tooth sprocket on sprocket assembly (#6). b. On the opposite side of the jack shaft assembly, install the 19 tooth sprocket (#25) with a 3/16 x 1 long key (#23), aligning with either the 15 tooth or 48 tooth sprocket (depending on high or low range) on the small grass seeds cup drive (#26). For detailed instructions onhighandlowrangeadjustments,seeoperator smanual. c. Install idler assemblies (#27) as shown with 1/2-13 x 1/ 4 long carriage bolts (#12), 1/2 lock washers (#13) and 1/2 nuts (#14) leaving hardware loose for now. Refer to Figure 29: 7. 15 Bushel Box Seeder - place the 90 pitch chain (#1), the 72 pitch chain (#2) and the 63 pitch chain (#3) as shown and check alignment of sprockets. Realign if necessary. 8. 30 Bushel Box Seeder - place the 90 pitch chain (#1), the 72 pitch chain (#2) and the 63 pitch chain (#3) as shown. To chain #3 add an extra 4 links supplied with kit. Check alignment of sprockets and realign if necessary. 8 2/20/06
12994 Figure 28 9. Refer to Figure 28 and adjust idler assemblies (#10) and (#27) as needed to tighten chains. Tighten all hardware making sure sprockets stay aligned and chains remain tight. 10. Install two safety decals (#28) on locations shown. 11. Position chain guards (#29), (#30) and (#31) as shown on chain guard brackets and fasten with rubber latches. Seeders with Agitator Option If your seeder already has the Agitator Option, follow Drive Installation on page 8 steps 5 through 8. Add 10 chain links, included with kit, to agitator chain. Install a safety decal (#28) on the small seeds box as shown, see Figure 28. Replace your agitator chain guards with the small seeds chain guards and fasten with rubber latches. Figure 29 15516 9
Listing of Parts 313-113A PS25120 Small Grass Seeds Bundle Your Kit Includes: Qty. Part No. Part Description 1 123-004D DRIVE SPROCKET KEY 16 123-231D GRASS SEED DROP TUBE CONN HOSE 2 168-127D 3/16 X 1 KEY 1 313-060L SGS BOX ASSEMBLY PS25120 1 313-107S AG/SGS SPROCKET ASSEMBLY 1 313-110S AG/SGS IDLER ASSEMBLY-SHORT 1 313-115H SGS SPEED CHANGE WELDMENT 1 313-119K SGS JACK SHAFT ASSEMBLY 1 313-122D DRIVER IDLER SPACER PS25120 2 313-122H CHAIN GUARD MOUNT WDMT-SHORT 2 313-123S IDLER ASSEMBLY-LONG 1 313-124S SGS LOWER CHAIN GUARD ASSEMBLY 1 313-125S SGS UPPER CHAIN GUARD ASSEMBLY 1 313-126S SGS DRIVE CHAIN GUARD ASSEMB 1 313-127H CHAIN GUARD MOUNT WDMT-LONG 2 313-135S LATCH KEEPER BRACKET ASSEMBLY 1 313-202D SGS SPACER CHANNEL LH 2 313-203D SGS SPACER PLATE 1 313-214D SGS SPACER CHANNEL RH 1 313-227D SGS 30 BU BOX SUPPORT RH 1 313-228D SGS 30 BU BOX SUPPORT LH 1 313-229D SGS 15 BU BOX SUPPORT RH 1 313-230D SGS 15 BU BOX SUPPORT LH 2 313-231D AG/SGS IDLER PLATE SPACER 16 313-256D SGS SEED HOSE 5/8 ID X 21 LONG 1 313-268D SMV MOUNTING BRACKET PS25120 4 313-269D SGS MOUNT SPACER 4 313-270D SGS MOUNT BACKING PLATE 2 313-292D SGS END PLATE MOUNT BACKING 2 313-293D SGS END PLATE MOUNT SUPPORT 16 800-009C CLAMP HOSE 1 5/8 NO. 26 32 800-029C CLAMP HOSE GRASS SEED 2 801-018C SCREW RD HD 1/4-20 X 5/8 2 801-019C SCREW SET SH 1/4-20 X 1/4 LG. 8 802-017C HHCS 3/8-16X1 GR5 2 802-022C HHCS 3/8-16X1 1/2 GR5 4 802-050C HHCS 5/8-11X1 1/4 GR5 8 802-055C HHCS 5/8-11X2 GR5 8 802-058C HHCS 5/8-11X2 1/2 GR5 3 802-106C RHSNB 1/2-13X1 1/2 GR5 12 802-257C HFFS 1/4-20X3/4 GR5 8 802-387C HFS 5/16-18X3/4 GR5 8 802-388C HFS 3/8-16X1 GR5 6 802-431C HFSS 5/16-18X1 GR5 PLT 4 802-439C HFSS 5/16-18X2 1/2 GR5 4 802-442C HFSS 5/16-18X1 1/4 2 803-006C NUT HEX 1/4-20 PLT 6 803-014C NUT HEX 3/8-16 PLT 3 803-020C NUT HEX 1/2-13 PLT 4 803-021C NUT HEX 5/8-11 PLT 10 803-068C NUT HEX FLANGE 3/8-16 PLT 12 803-194C NUT HEX WHIZ 1/4-20 PLT 22 803-199C NUT HEX FLANGE 5/16-18 PLT 2 804-006C WASHER LOCK SPRING 1/4 PLT 2 804-012C WASHER FLAT 3/8 SAE PLT 6 804-013C WASHER LOCK SPRING 3/8 PLT 3 804-015C WASHER LOCK SPRING 1/2 PLT 4 804-022C WASHER LOCK SPRING 5/8 PLT 22 804-084C WASHER FLAT 5/16 HARD ASTMF436 8 804-087C WASHER FLAT 3/8 HARD ASTMF436 10
Listing of Parts 313-113A PS25120 Small Grass Seeds Bundle (Continued) Qty. Part No. Part Description 1 808-069C SPKT 40B19 X 3/4 B W/ KW & SS 1 808-172C SPKT 40B23 X 1 BORE W/KW & S 2 809-070C CHAIN CONNECTOR LINK #40 OFFST 1 809-072C CHAIN RL #40 X 63 PITCHES 1 809-091C CHAIN RL #40 X 8 PITCHES 3 809-121C CHAIN RL #40 X 4 PITCHES W/CON 1 809-125C CHAIN RL #40 X 90 PITCH W/CON 1 809-141C CHAIN #40 X 72P W/CONN 2 809-146C CHAIN RL #40 X 16 PITCHES 1 809-151C CHAIN RL #40 X 10 PITCH W/CON 16 817-052C GRASS SEED DROP TUBE 1 818-055C DECAL SLOW MOVING-GALV. BACKED 1 818-163C LP LOGO LARGE BUCKSKIN 2 818-205C DECAL WARNING MOVING PARTS HAZ 2 818-230C DECAL RED REFLECTOR 1 818-462C DECAL SMALL SEEDS PS25120 11