Page 1 Your life and the lives of others depend on it! 29817 Illustrations may show optional equipment not supplied with standard unit or may depict similar Great Plains implement name models where a topic is identical. ORIGINAL INSTRUCTIONS © Copyright 2019...
Page 2: Serial Number
Machine Identification Record your machine details in the log below. If you replace this manual, be sure to transfer this information to the new manual. If you or the dealer have added options not originally ordered with the machine, or removed options that were originally ordered, the weights and measurements are no longer accurate for your machine.
Page 3 Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit.
Page 4 YP4025A-48TR20 Cover Index Height Switch Adjustment..........70 Air System Clean-Out ..........107 Marker Adjustments............71 Meter Clean-Out.............108 Marker Disk Adjustment ...........71 Funnel Conversion ..........108 Fan and Adjustment ............72 Alternate Meter Clean-Out ........109 Furrow Check: ............73 Seed Tube Clean-Out ..........109 Fine-Tuning .............74 Air Box Residue Clean-Out ...........110 Seed Delivery Fan Adjustments .......74 Meter Brush Maintenance ..........111 Liquid Fertilizer Adjustments ...........75...
Page 5 YP4025A-48TR20 Table of Contents Index Important Safety Information Look for Safety Symbol The SAFETY ALERT SYMBOL indicates there is a potential hazard to personal safety involved and extra safety precaution must be taken. When you see this symbol, be alert and carefully read the message that follows it.
Page 6 YP4025A-48TR20 Table of Contents Index Important Safety Information PTO-Specific Hazards Applies only to optional PTO pump. Even if you are experienced in PTO operations, review the “Using PTO Safely” topic on page 2 of the PTO manual (411-015M). Topics in that manual dealing with PTO hazards include this PTO alert symbol.
Page 7 YP4025A-48TR20 Table of Contents Index Important Safety Information Use A Safety Chain (Optional hydraulic hitch only. 3-Point has no chain.)  Use a safety chain to help control drawn machinery should it separate from tractor draw-bar.  Use a chain with a strength rating equal to or greater than the gross weight of towed machinery.
Page 8 YP4025A-48TR20 Table of Contents Index Important Safety Information Transport Machinery Safely Maximum transport speed for implement is 20 mph (32 km/h). Maximum speed when turning is 13 mph (22 km/h). Maximum speed when backing is 3 mph (35 km/h). Some rough terrains require a slower speed. Sudden braking can cause a towed load to swerve and upset.
Page 9 YP4025A-48TR20 Table of Contents Index Important Safety Information Practice Safe Maintenance  Understand procedure before doing work. Use proper tools and equipment. Refer to this manual for additional information.  Work in a clean, dry area.  Lower the product, put tractor in park, turn off engine, and remove key before performing maintenance.
Page 10  Keep all safety decals clean and legible.  Replace all damaged or missing decals. Order new decals from your Great Plains dealer. Refer to this section for proper decal placement.  When ordering new parts or components, also request corresponding safety decals.
Page 11 YP4025A-48TR20 Table of Contents Index Important Safety Information Daytime Reflectors 838-267C On rear face of axle (above Red reflectors); two total 29164 Amber Reflectors 838-265C On the front of the center section front lower tool bars, on the rear of the wing tool bars, and on the sides of the seed box frame;...
Page 12 YP4025A-48TR20 Table of Contents Index Important Safety Information Danger (in Spanish) 818-557C Advising non-English readers to seek translation On side of tongue; one total 29164 Danger: Crushing Hazard 818-590C Top center of 3-point hitch; one total (not present with hydraulic tongue option) 29164 Danger: Electrocution Hazard 838-599C...
Page 13 YP4025A-48TR20 Table of Contents Index Important Safety Information Danger: Rotating Driveline (Option) 34843 858-030C DANGER I N G ROTATING DRIVELINE - r’s CONTACT CAN CAUSE DEATH ve nt r at ID LIN al BE ve nt G SP ov erh T op D an tin g...
Page 14 YP4025A-48TR20 Table of Contents Index Important Safety Information Warning: Pinch/Shear Hazard 818-579C Front and rear faces of inner marker arms; four total 29164 Warning: Overhead Marker 818-580C Front and rear faces of inner marker arms; four total 29164 Warning: High Pressure Fluid 838-094C On side of tongue at hitch;...
Page 15 YP4025A-48TR20 Table of Contents Index Important Safety Information Warning: Hot Fluid (Option) 34843 858-004C WARNING I N G r’s ve nt r at ID LIN al BE ve nt G SP ov erh T op D an tin g HOT FLUID HAZARD tin g.
Page 16 YP4025A-48TR20 Table of Contents Index Important Safety Information Caution: Tires Not A Step 818-398C One front face each wing gauge wheel, One each side front center axle, One each rear face of rear caster arms; 8 total 29164 Caution: Read Operator’s Manual 818-587C On center tool bar;...
Page 17 YP4025A-48TR20 Table of Contents Index Important Safety Information Caution: Pressure and Torque 838-426C On outside rim each transport tire; 10 total 29164 2019-03-19 Table of Contents Index 411-198M...
Page 18: Document Family
YP4025A-48TR20 Table of Contents Index Introduction Great Plains welcomes you to its growing family of new product owners. The 40 Foot 3-Section Yield-Pro® Planter (YP4025A-48TR20 implement name) has been designed with care and built by skilled workers using quality materials. Proper setup, maintenance, and safe operating practices will help you get years of satisfactory use from the machine.
Page 19 Refer to Figure 2 Your machine’s parts were specially designed and should only be replaced with Great Plains parts. Always use the serial and model number when ordering parts from your Great Plains dealer. The serial-number plate is located on the left end of the rear mainframe tool bar, near the highway lights.
Page 20: Wing Leveling
YP4025A-48TR20 Table of Contents Index Preparation and Setup This section helps you prepare your tractor and YP4025A-48TR20 Product for use, and covers tasks that need to be done seasonally, or when the tractor/product configuration changes. Before using the product in the field, you must hitch it to a suitable tractor, inspect systems and level the product.
Page 21: Shipping Link
Only trained personnel should work on system hydraulics Great Plains hydraulic hoses are color coded handle grips to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color.
Page 22 YP4025A-48TR20 Table of Contents Index Preparation and Setup Color Coded Hose Handles If a PTO pump is installed, hitch hoses are not present for the fan and hydraulic drive functions. Color Hydraulic Function Gray Wing Fold / Marker Fold / Auxiliary Blue Lift / (and Hitch if hydraulic tongue) Black...
Page 23: Swath Command
YP4025A-48TR20 Table of Contents Index Preparation and Setup Electrical Hookup Refer to Figure 5 Make sure tractor is shut down with accessory power off before making connections. 1. Mate lighting connector to tractor outlet. 2. Mate monitor connector to tractor harness. 3.
Page 24 YP4025A-48TR20 Table of Contents Index Preparation and Setup Hitching with Hydraulic Tongue (Option) Refer to Figure 7 1. Move the tractor to near hitching position. OPEN 2. Connect the hydraulic hoses for the tongue circuit. This needs to be done before hitching in order to raise and lower the tongue.
Page 25 YP4025A-48TR20 Table of Contents Index Preparation and Setup Parking Stands Store Main Parking Stand Refer to Figure 9 1. Raise the tractor hitch slightly to lift parking stands off ground. 2. Remove the lower pin and the upper pin holding the parking stand 3.
Page 26: Fertilizer Connection Types
YP4025A-48TR20 Table of Contents Index Preparation and Setup Tank Cart Hitching If using a fertilizer cart, consult the cart manual for: • hitching cart tongue to product • connecting any pump or manifold control electronics to product • connecting fertilizer feed hoses to product Complete the tractor-product hook-up before making any tank cart connections.
Page 27 YP4025A-48TR20 Table of Contents Index Preparation and Setup Heights and Leveling All frame sections must be at the correct height and level  Level frame in planting conditions. to maintain even planting depth. Failure to do so may result in implement not producing desired results.
Page 28 YP4025A-48TR20 Table of Contents Index Preparation and Setup Marker Setup Prior to first use, check and adjust: • “Dual Marker Speed Adjustment” on page 167. Prior to first use, and whenever changing row spacings, set or reset: • “Marker Extension” on page 168. Prior to each planting session, check and adjust: •...
Page 29: Tongue Lock
YP4025A-48TR20 Table of Contents Index Operating Instructions This section covers general operating procedures. Experience, machine familiarity, and the following information will lead to efficient operation and good working habits. Always operate farm machinery with safety in mind. Pre-Start Checklist Perform the following steps before transporting the YP4025A-48TR20 product to the field.
Page 30: Unfolding
YP4025A-48TR20 Table of Contents Index Operating Instructions Unfolding the Product The distance between the tractor and the seed structure decreases by 12 feet (3.7 m) during unfolding. Product, tractor, or both will move during this operation. Crushing, Pinch-Point and Overhead Hazards - To prevent serious injury or death: ...
Page 31 YP4025A-48TR20 Table of Contents Index Operating Instructions Unfolding, Continued ... 7. Raise tractor 3-point hitch or extend (raise) product hydraulic tongue until tongue wing locks rise and disengage. Machine Damage Risk: Raise hitch before unfolding. If hitch is not raised, wing locks will remain in transport hooks.
Page 32 YP4025A-48TR20 Table of Contents Index Operating Instructions Raising/Lowering Product Refer to Figure 20 Product raising/lowering relies on the four lift cylinders at the mainframe and wing end gauge wheels. The product must be raised for folding and unfolding. The product will not lower if transport locks are installed. See “Lift Cylinder Lock-Up”...
Page 33 YP4025A-48TR20 Table of Contents Index Operating Instructions Raising Product Refer to Figure 23 1. If the product has hydraulic hitch, set the Lift/Hitch Pinch/Crush Risk: switch to Lift. Keep all personnel clear of center section and seed cart while raising tool bar. The wheels move inward. ...
Page 34 YP4025A-48TR20 Table of Contents Index Operating Instructions Lift Cylinder Lock-Up When moving the raised product more than a short distance, or over any public road, or when performing adjustments or maintenance, do not rely solely on the lift cylinders to keep the mainframe raised. Install transport locks.
Page 35 YP4025A-48TR20 Table of Contents Index Operating Instructions Folding the Implement Name Fold the YP4025A-48TR20 product for moves between fields and over public roads, and for storage. The distance between the tractor and the seed structure increases by 12 feet (3.7 m) during folding. Product, tractor, or both will move during this operation.
Page 36: Wings Locked
YP4025A-48TR20 Table of Contents Index Operating Instructions Refer to Figure 28 If caster locks are engaged (handle in FIELD position), they must be released before folding. Machine Damage Risk: Caster locks must be disengaged for transport. 5. At each wing caster, move the lock control handle to the ROAD position.
Page 37 YP4025A-48TR20 Table of Contents Index Operating Instructions Re-phasing Fold System In typical use during a single planting operation, it is normal for the fold cylinders to get slightly out of phase, resulting in uneven folding and unfolding of the YP4025A-48TR20. Every few planting days, re-phase the cylinders with this procedure: 1.
Page 38 YP4025A-48TR20 Table of Contents Index Operating Instructions Transporting the Product Loss of Control Hazard (Weight): Do not tow if product exceeds the load rating of the vehicle. Ensure that the towing vehicle is adequate. An inadequate tow vehicle is extremely unsafe, and can result in loss of control, serious injury and death.
Page 39 YP4025A-48TR20 Table of Contents Index Operating Instructions wheels, and tank cart lead wheel fully caster, and provide no resistance to side sway by the implement name or cart. Reduction of Control Risk: Seed may be loaded prior to travel, but increases stopping distance, increases the need for caution in turns and braking, and increases tire wear.
Page 40 YP4025A-48TR20 Table of Contents Index Operating Instructions Transport Checklist  Plan the route. If towing a cart hitched to the product, plan the route so that no reverse movements will be necessary. Avoid steep hills. Keep Clearances in mind. Folded, your implement name may be nearly 15 feet (4.6 m) wide and 13 feet (4 m) high.
Page 41 YP4025A-48TR20 Table of Contents Index Operating Instructions Refer to Figure 31 A tool is pinned to the bottom of the walkboard. it is easier to remove and replace this tool with the product lowered. The wrench end fits the nut weldment of the spring force cam (page 80).
Page 42 YP4025A-48TR20 Table of Contents Index Operating Instructions Auxiliary Hydraulics Refer to Figure 34, Figure 35 and Figure 36 (Figure 34 also depicts an optional pintle hitch for a user-provisioned cart) The YP4025A-48TR20 product includes, as standard equipment, an auxiliary hydraulic circuit, intended to power a seed auger for loading bulk hoppers.
Page 43 YP4025A-48TR20 Table of Contents Index Operating Instructions 82 bu. Hopper Operation Tipping Hazard: Approximate capacity of 82 bu. bulk seed Load an 82 bu. hopper only when mounted on the cart. A full hopper, in bushels, at 10 inch increments. hopper can weigh over 5500 pounds (2500 kg), which is above the lifting and balance capability of most tractors and farm forklifts.
Page 44 YP4025A-48TR20 Table of Contents Index Operating Instructions 150 bu. Hopper Operation Tipping Hazard: Approximate capacity of 150 bu. bulk seed Load a 150 bu. hopper only when mounted on the cart. A full hopper, in bushels, at 10 inch increments. hopper can weigh over 10,000 pounds (4500 kg), which is above the lifting and balance capability of most tractors and farm forklifts.
Page 45 YP4025A-48TR20 Table of Contents Index Operating Instructions Changing the Bulk Box or Hopper  The Product # product accepts the Great Plains 82 bu. hopper,150 bu. hopper, or bulk seed boxes ®b that meet the PROBOX specification. Tipping and Overload Hazard: Place or remove a hopper only when empty.
Page 46 YP4025A-48TR20 Table of Contents Index Operating Instructions 15. If mounting a seed container for the first time in a season, open the new seed container and measure out approximately 3 gallons (11 liters) of seed into a pail. Add cup (80 ml) of lubricant. Mix and pour into air box before mounting the container.
Page 47 YP4025A-48TR20 Table of Contents Index Operating Instructions Refuge Hopper Operation The 10 bushel refuge hopper comes attached and ready to operate if purchased at the same time as implement name. purchased separately installation instructions in manual 403-287M. Refer to Figure 43 1.
Page 48: Split Air Manifold
YP4025A-48TR20 Table of Contents Index Operating Instructions Air System Operation Figure 44 29595 ® ® Yield-Pro Air System for Air-Pro Seed Metering Meter Pressurization System Elements ( shows air direction) ® Hydraulic Fan Pressure Sensor Lines Air-Pro Seed Meter Split-Air Manifold Pressure Sensor Chamber Row Pressurizing Tubes Servo-Controlled Vane...
Page 49 YP4025A-48TR20 Table of Contents Index Operating Instructions Air System Overview The hydraulic fan supplies air for both seed delivery and meter operation. Fan rpm is operator-adjusted (page 47) via the tractor’s hydraulic flow control, and reported by the seed monitor system. The rest of the system is fully automatic.
Page 50 YP4025A-48TR20 Table of Contents Index Operating Instructions Fan Circuit Operation See also “Fan and Adjustment” on page 72. Refer to Figure 45 Three hydraulic hoses serve the fan, and must be properly connected for the fan to operate in the correct direction , at recommended speeds, and without damage.
Page 51 76 - 72 lpm 69 - 79 lpm considerably with crop. ¹ This assumes a 2007+ Great Plains hopper, or older hopper If at suggested fan rpm, desired pressure cannot be with the vent line update. For an older unvented hopper, use the reached, chances are the fan is running backwards.
Page 52: Single-Row
YP4025A-48TR20 Table of Contents Index Operating Instructions Steps for setting and adjusting the air system are found at “Fan and Adjustment” on page 72. Y-Tubes Refer to Figure 46 Y-tube gates can be shut off to feed only one row for single-row planting on a twin-row machine.
Page 53 YP4025A-48TR20 Table of Contents Index Operating Instructions Weight Transfer Operation (Option) This option provides a control valve , plumbed into the hydraulic drive circuit, and a cylinder for each wing. Up to 1000 pounds (450 kg) of mainframe weight may be transferred to each wing when oil is being supplied to the hydraulic drive circuit.
Page 54 YP4025A-48TR20 Table of Contents Index Operating Instructions Electric Clutch Operation The YP4025A-48TR20 product has three clutches in the seed meter drive system. A clutch enables or disables groups of row units. The information in the table below is normally preset at the factory for your product configuration.
Page 55 YP4025A-48TR20 Table of Contents Index Operating Instructions ® Air-Pro Meter Operation Refer to Figure 53 The meter disk is driven, top forward, by a chain drive (not shown) always connected to the section drive shaft At non-planting rows, use a blank disk (page 90). Seed is air-delivered to the inlet above the air release screen .
Page 56 YP4025A-48TR20 Table of Contents Index Operating Instructions 2019-03-19 Table of Contents Index 411-198M...
Page 57 Use only pre-mixed liquid fertilizer. Do not use dry on the Clutch Folding Module is not used with any fertilizer added to water in the tank. presently supported Great Plains tank, pump and boom systems. It might be used to control a clutch user-provisioned...
Page 58 YP4025A-48TR20 Table of Contents Index Operating Instructions Implement Name Tanks System Diagram L28 L27 Figure 55 36406 Hydraulic Pump Fertilizer System 2019-03-19 Table of Contents Index 411-198M...
Page 59: Shut-Off, Row
YP4025A-48TR20 Table of Contents Index Operating Instructions Implement Name Tank Fertilizer System Elements  Liquid fertilizer system callouts are consistent across Pressure Gauge This gauge reports operating pressure to the boom, this entire manual. No single system includes all typically in the 15 to 45 psi range. Normally the gauge elements.
Page 60 YP4025A-48TR20 Table of Contents Index Operating Instructions End Cap Each boom section has at least one end cap. These are removed for flushing booms, such as for winterizing. Nozzle Drop Line Each active nozzle is connected to the row applicator via tubing.
Page 61: Sml Cart
YP4025A-48TR20 Table of Contents Index Operating Instructions SML Cart Pump System Diagram Figure 56 36414 Cart Pump Fertilizer System 2019-03-19 Table of Contents Index 411-198M...
Page 62 YP4025A-48TR20 Table of Contents Index Operating Instructions SML Cart Tank Fertilizer System Elements  Liquid fertilizer system callouts are consistent across Boom Supply Strainer A filter element in the canister traps large particles that this entire manual. No single system includes all might clog boom orifice plates.
Page 63 YP4025A-48TR20 Table of Contents Index Operating Instructions Row Applicator Tube All standard 25 Series row units include an applicator tube which can deliver material in-furrow just ahead of ® the seed tube. Optional Keeton seed firmers (shown) have a delivery tube for applying material behind the seed tube.
Page 64 YP4025A-48TR20 Table of Contents Index Operating Instructions Implement Name Fertilizer Tanks (Option) Filling Tanks Agricultural Chemical Hazards: Refer to Figure 59, Figure 55 on page 54 and Avoid contact with skin or eyes. Wear proper protective Figure 56 on page 57 equipment as required by chemical manufacturer.
Page 65: Trailer Operations
SML-735) available YP4025A-48TR20 as an accessory. The cart requires either the Great Plains hydraulic fertilizer pump option, or a user-provisioned pump. For the Great Plains system, see the system overview on page 57. Checklists in this manual include steps for an SML configuration.
Page 66: Switch Panel
YP4025A-48TR20 Table of Contents Index Operating Instructions Field Set-Up Checklists Use the following tables to develop a final checklist for your tractor/product configuration. Additional or fewer steps may be necessary depending on tractor features, product options and planting accessories. Mechanical Checklist Page Treatments (Options) Checklist Page...
Page 67 YP4025A-48TR20 Table of Contents Index Operating Instructions Hydraulic System Checklist Page Hydraulic Product Drive Checklist Page Check tractor hydraulic reservoir full Check chain lubrication and slack Inspect connections for leaks Input initial values for desired population Pre-run system using manual ground speed Perform a raise and lower operation mode on seed monitor.
Page 68 YP4025A-48TR20 Table of Contents Index Operating Instructions Field Operation Perform all steps in “Pre-Start Checklist” on page 25 and “Field Set-Up Checklists” on page 62. Ending Planting Checklist Page First Pass Operation Checklist Page Install lift locks Set tractor 3-point hitch to “depth control” operation (and not load control) Set caster locks to ROAD Unfold marker on next-row side.
Page 69 YP4025A-48TR20 Table of Contents Index Operating Instructions Marker Unfolding Electrocution Hazard: Beware of overhead electrical lines. If the markers contact lines, the tractor, raised product and any cart can become “hot” with no indication. A person standing on the ground and touching equipment can complete the circuit.
Page 70 YP4025A-48TR20 Table of Contents Index Operating Instructions Monitor Operation Row Marker Operation To alternate which side is marked: Monitor operation is described in a separate manual supplied with your implement name. 1. Move the tractor’s circuit control to fold marker. Hold until marker is folded.
Page 71 YP4025A-48TR20 Table of Contents Index Operating Instructions Short-Term Parking 1. Fold markers. See “Folding the Markers” on page 66. 2. Choose a location with level firm ground. Do not unhitch on a slope. 3. Raise the product.See “Raising Product” on page 29.
Page 72 YP4025A-48TR20 Table of Contents Index Operating Instructions Long-Term Storage Complete Parking steps first. 1. Park the implement name indoors if possible, per the steps above. Great Plains recommends parking/storing in the raised configuration, folded, on the parking stands and with all lift cylinder locks installed.
Page 73: Wing Level
YP4025A-48TR20 Table of Contents Index Adjustments To get full performance from your implement name, you Even if your planting conditions rarely change, some of need an understanding of all component operations, and these items need periodic adjustment due to normal many provide adjustments for optimal field results.
Page 74 The switch is located at the rear cross tube on the implement name’s left side. Although factory-preset for typical planting conditions, Great Plains recommends adjusting this switch for your exact field conditions and planting depth. Crushing Hazard: Exercise extreme caution when adjusting the switch.
Page 75 YP4025A-48TR20 Table of Contents Index Adjustments Marker Adjustments There are three adjustments and two maintenance items for markers: • Disk Angle (following) Even if your row spacing rarely changes, you may need to adjust disk angle for soil conditions and planting speed.
Page 76 YP4025A-48TR20 Table of Contents Index Adjustments Fan and Adjustment 1. These steps presume that correct seed disks are installed (Seed Rate Charts), and the seed inlet shutters are set for the seed (page 86). 2. With fan off, check meter pressurization reported by seed monitor.
Page 77: 14. Skips
YP4025A-48TR20 Table of Contents Index Adjustments 12. During the first pass, take note of the average Small seeds, such as Milo, may be under-reported. Use populations reported on the seed monitor. the “Alternate Skip/Double Check” below to verify Typical Location: Item: seed status at the disc pockets.
Page 78 YP4025A-48TR20 Table of Contents Index Adjustments Fine-Tuning After several passes, and you are comfortable with the Alternate Skip/Double Check product’s operation, optimize meter Small seeds, particularly Milo, are less reliably sensed as pressurization. Use this method during longer passes, so skips or doubles by the seed tube sensors, and watching there are fewer distractions (and see sidebar regarding monitor population is unlikely to locate the pressure...
Page 79 The Seed Rate manual for details. Great Plains recommends checking with your local agronomist as soil conditions vary. Soil conditions in your area may need less or more fertilizer than represented in these charts. In furrow, do not exceed 12 gallons per acre in any case.
Page 80 Table of Contents Index Adjustments Liquid Fertilizer Strainer The optional Great Plains fertilizer pump systems include a strainer, which may be located on the implement name or on a fertilizer cart. The strainer(s) are delivered with a mesh screen. You need to check that each screen is an appropriate size for the orifice plates you plan to use.
Page 81 YP4025A-48TR20 Table of Contents Index Adjustments Fertilizer Nozzle Adjustments Refer to Figure 73 In general, the orifice needs to be small enough to create at least 15 psi of pressure in the manifold but large enough to prevent the manifold pressure from exceeding 65 psi.
Page 82: Unit-Mounted Coulter
(which depicts a row unit populated with most optional accessories supported for use with the Product) From front to back, a Great Plains 25 Series row unit can include the following capabilities (some optional): 1. Lock-Up Pin Storage Hole (Hole Standard) See “Row Unit Shut-Off”...
Page 83 YP4025A-48TR20 Table of Contents Index Adjustments Row Unit Down Pressure Refer to Figure 75 The ideal amount of down-force causes the side gauge wheels to compress any loose surface soil, but not press a trench into subsoil. To assess down-force, operate the implement name for a short distance on typical ground (with or without seeding), and stop.
Page 84: Adjustments
YP4025A-48TR20 Table of Contents Index Adjustments An adjuster cam sets down pressure individually for each row unit. This is useful for penetrating hard soil and planting in tire tracks. For best results always adjust tractor tires so they are not ahead of 30 inch or 70 cm rows.
Page 85: Coulter Blade Mount
YP4025A-48TR20 Table of Contents Index Adjustments Unit-Mount Coulter Adjustments  Coulters are not factory-installed. Check alignment and depth prior to first use. Coulter Depth Adjustment The ideal operating depth for coulters is inch (6 mm) above opener depth. Although they may have originally been set to this depth, coulter (and opener) blades wear with time, and may need adjusting.
Page 86 YP4025A-48TR20 Table of Contents Index Adjustments Coulter Row Alignment Refer to Figure 83 For unit-mounted coulters, the ideal alignment is for the blade to open a furrow directly ahead of the opener discs. As a check on coarse alignment, sight along the coulter blade center-line , the gap between the opener blades...
Page 87 YP4025A-48TR20 Table of Contents Index Adjustments Row-Unit Opener Disc Adjustments 25 Series openers have three adjustments: 1. planting/seed depth 2. opener disc to disc clearance 3. gauge wheel/opener disc clearance (page 84) Setting Planting Depth Refer to Figure 85 The “T” handle sets planting depth by limiting the how high the side depth gauge wheels ride relative to the opener discs.
Page 88 YP4025A-48TR20 Table of Contents Index Adjustments Side Gauge Wheel Adjustment Side Gauge Wheel Side Gauge Wheel Refer to Figure 88 and Figure 89 Opener Disc-to-wheel angle and clearance ideally has the wheel Discs just touching the disc when the wheel is raised to planting depth (is up against the stop set by the “T”...
Page 89 YP4025A-48TR20 Table of Contents Index Adjustments • If wheel does not fall freely, loosen hex-head bolt and slide wheel arm out just until wheel and arm move freely. Tighten hex-head bolt according to grade: inch Grade 5 bolt on 25 series, 75 foot-pounds (102 N•m).
Page 90 YP4025A-48TR20 Table of Contents Index Adjustments Seed Meter Setup and Adjustment There are adjustments for seed inlet, and choice of disks. There are no other adjustments, in particular no brush adjustments, at the meter. Meter Rain Cover The rain cover keeps side winds from unseating seed in disk pockets.
Page 91 YP4025A-48TR20 Table of Contents Index Adjustments Optimal Seed Pool Slopes The optimal seed slope is one that results in the most consistent seeding, with minimal skips and doubles. The column at right has photographs of pool slopes found to 8:00 be optimal for representative seeds.
Page 92: Population
YP4025A-48TR20 Table of Contents Index Adjustments ® Air-Pro Meter Disk Installation 1. Cross-check Seed Rate Chart data against part number/description molded into disks to be used. Population Risk: Use the same disk in all active rows. 2. Inspect disks to be installed. Do not install damaged or excessively worn disks.
Page 93: Sprocket Indexing
YP4025A-48TR20 Table of Contents Index Adjustments Removing a Seed Disk Refer to Figure 101 1. Remove rain cover. If seed is present, close shutter to prevent more seed from entering meter. Attach funnel (page 108). 2. Hold seed disk in meter. Rotate disk clamp counterclockwise 45...
Page 94 YP4025A-48TR20 Table of Contents Index Adjustments Row Unit Shut-Off Skip-row operations, such as planting from every other row when switching from 30 inch twin-row to 30 inch single-row, requires shutting down unused rows. Shutting off seeding at a row involves 4 to 7 steps: 1.
Page 95 YP4025A-48TR20 Table of Contents Index Adjustments 4. Close Y-Tubes Refer to Figure 104 If any shut-off rows are served by a Y-tube, close the gate for the branch to that row. Rotate the gate cap until the indicator/handle is perpendicular to the tubes. Closing the Y-tube prevents seed from entering an unused hose, reducing waste and simplifying clean-out.
Page 96 YP4025A-48TR20 Table of Contents Index Adjustments Seed Firmer Adjustments Series 25 row units include a standard seed flap, and accept one of two optional seed firmers (which may be included in your selected opener bundle). Sharp Object Hazard: Row unit disc blades may be sharp. Use caution when making ®...
Page 97: Stagger
YP4025A-48TR20 Table of Contents Index Adjustments 3. While holding the handle up, rotate the raised portion of the lever stop under both sides of the handle at the arm end. Remove the tool. Press Wheel Adjustment The press wheels close the furrow which gently presses the soil over the seed to ensure good seed-to-soil contact for even emergence.
Page 98 5. Tighten both hex head bolts (View from beneath opener) If press wheel adjustments do not provide satisfactory furrow closing, your conditions may require alternate press wheels. A variety of wheel assemblies are available. Consult your Great Plains dealer. 2019-03-19 Table of Contents Index 411-198M...
Page 99: Troubleshooting
YP4025A-48TR20 Table of Contents Index Troubleshooting Planting Rate Problems When starting up with a new implement name, a new ® For seed monitor issues, see also the DICKEY-john crop or a new population it is important to physically Planter/Drill Control User Manuals, double check what the monitor is reporting in the cab by “TROUBLESHOOTING &...
Page 100: Shutter
YP4025A-48TR20 Table of Contents Index Troubleshooting Seed Pool Troubleshooting Figure 112 .eps 29743 ® 100% Rear Cross-Section of Air-Pro Meter in Normal and Row-Failed Conditions Normal:2 Normal: Delivery Blockage or Bridging: Bridging: Filling Filled Back-flow Starvation Screen Shutter Seed pool at shutter Once inlet is filled to No seed arriving from Oversize matter in seed...
Page 101 YP4025A-48TR20 Table of Contents Index Troubleshooting Seed Pool Recovery When a meter has been starved of seed, back-flow of air through the open shutter reduces delivery air flow. This causes seed delivery to be slow. If you start or resume planting with an empty seed pool, the delivery flow may be too low to keep the meter supplied.
Page 102: Seed Delivery
YP4025A-48TR20 Table of Contents Index Troubleshooting Population Troubleshooting Charts Population Too Low Problem Cause Solution Incorrect seed rate Check seed rate charts Overall Low Population Empty pockets on disk (skips) due to insufficient Methodically increase the controlled air to the meter. See air pressure.
Page 103 YP4025A-48TR20 Table of Contents Index Troubleshooting Population Too Low Problem Cause Solution Shutter opening too wide - interfering with meter Adjust shutter to lower setting. pressurization Population, Single Row Shutter opening too narrow - starving meter of Adjust shutter to higher setting. seed (low seed pool) Y-tube partially or completely closed, reducing Open Y-tube for row...
Page 104 YP4025A-48TR20 Table of Contents Index Troubleshooting Population Too High Problem Cause Solution ® Overall High Perform speed calibration per DICKEY-john monitor manual. See Incorrect speed sensor constant page 169. Population (cont.) Doubles due to incorrect disk for crop or Use recommended disk for crop and seed size. seed size Sticky seeds: excess seed treatment Increase seed lubricant.
Page 105: Twin-Row
YP4025A-48TR20 Table of Contents Index Troubleshooting Population Related Problem Cause Solution Leave fan running. Meter Pressurization must be maintained during Skips and Bare Fan was turned off at turns turns, or seed will fall out of disk pockets. Spots After Turns Check tractor capability against requirements (page 151).
Page 106 YP4025A-48TR20 Table of Contents Index Troubleshooting Seed Delivery Troubleshooting Problem Cause Solution Fan speed too high/too low. Check/adjust fan speed. Single or multiple hoses plugging just ahead of airbox. Check for air leak downstream between Possible air leak. box and top of meter. Lack of seed.
Page 107 YP4025A-48TR20 Table of Contents Index Troubleshooting General Troubleshooting Problem Cause Solution See “Population Troubleshooting Charts” on page 98. Uneven seed spacing Excessive field speed. Reduce field speed. Unclean seed. Use clean seed. Damaged seed tube Inspect; repair or replace. ® ®...
Page 108 YP4025A-48TR20 Table of Contents Index Troubleshooting General Troubleshooting Problem Cause Solution Row-unit plugged with dirt. Clean row-unit. Row-unit discs not turning Planting conditions too wet. Wait until drier weather. freely Incorrect side depth wheel adjustment See “Side Gauge Wheel Adjustment” on page 84. ®...
Page 109 YP4025A-48TR20 Table of Contents Index Troubleshooting General Troubleshooting Problem Cause Solution CFM Switch must be set to “Marker” for Aux to function. Set tractor Auxiliary Marker/Fold switch set to Fold remote circuit to Neutral or Float before switching. Hydraulics Inoperative Selector valve must be set to Aux.
Page 110 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Maintenance Proper servicing and maintenance is the key to long implement life. With careful and systematic inspection, you can avoid costly maintenance, downtime, and repair. Always turn off and remove the tractor key before making any adjustments or performing any maintenance.
Page 111 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Material Clean-Out When planting is completed, it is commonly the case that some seed remains. There may be seed in the hopper or bulk box, seed in the airbox, a small amount of seed in Entrapment and Rapid Suffocation Hazard: the hose lines, and seed in the meters.
Page 112 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Refer to Figure 116 3. If the product has Y-tubes, shut off the gates at all of the Y-tubes. 4. Turn on the air fan and let it run. Use the “SPLIT AIR -” softkey to reduce the regulated air pressure to a low value, 1 inch water pressure or less - this diverts most of the air to the bulk seed...
Page 113: Storage
YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Refer to Figure 118 The container/funnel may be attached to the housing of the seed meter, freeing your hands for other tasks during clean-out. Normal use of the funnel is: 1. Close the seed inlet shutter on the meter (page 86). This minimizes the seed volume at disk removal.
Page 114 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Air Box Residue Clean-Out Planting in extremely dusty conditions, particularly dusty and humid conditions, or otherwise sticky soils, can lead to air residue build-up inside the airbox. This residue can cause seed delivery blockages. Refer to Figure 120 and Figure 121 (Figure 120 depicts a partially and a completely plugged agitation port, and build-up in the RH plenum chamber)
Page 115 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Meter Brush Maintenance Possible Chemical Hazard: Wear a respirator for brush cleaning. Brushes will have talc and graphite residue, and may have residues of hazardous seed treatments. Refer to Figure 122 A HEPA vacuum cleaner is recommended for brush cleaning.
Page 116 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Meter Brush Replacement Consult the Parts manual (ManualP #) for current replacement part numbers. Refer to Figure 123 Tufted Brush Replacement 1. Remove and save both 10-24 hex head cap screws and Nylock nuts (not shown). 2.
Page 117 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Seed Disk Maintenance Refer to Figure 125 When removing seed disks, inspect them for wear and damage. If there is any seed dust or treatment build-up in the cell pockets , or along the raised wiper ridges clean the disks and re-inspect.
Page 118 Refer to Figure 127 5. Re-set pop-out indicator if necessary. It is a good idea to keep a filter element on hand, and Great Plains recommends changing filters annually, if not more often. • Between planting seasons, store cab console inside in a relatively stable and dry environment.
Page 119 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Bleeding Hydraulics High Pressure Fluid Hazard: Relieve pressure before disconnecting hydraulic lines. Wear protective gloves and safety glasses or goggles when working JIC Torque Chart with hydraulic systems. Escaping fluid under pressure can Size Foot-Pounds have sufficient pressure to penetrate the skin causing serious...
Page 120 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Lift Cylinder Bleeding Refer to Figure 128 1. Unfold and lower product. 2. Unpin rod ends of all lift cylinders. Position cylinders so that rod ends may extend without striking machine parts. 3.
Page 121 The shear bolt is a hex head cap screw, -13x2 inch Grade 5, Great Plains part number 802-130C, plus a -13 lock nut, Great Plains part number 803-019C. Install a replacement shear bolt on the vertical faces on the side opposite from the pivot bolt. Do not use a higher grade bolt, or marker hang-ups may result in machine damage.
Page 122 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Leveling Center Section Level Check Vertical height and side-to-side level of the center section cannot be adjusted, but needs to be verified before checking/adjusting the wings. Soil accumulation on the wheels, for example, can cause the center section to tilt. Refer to Figure 13 on page 118 (which depicts product on a paved surface - actual measurement must be with rows pulled forward in soil)
Page 123 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Leveling, Outboard End Refer to Figure 132 on page 118 and Figure 134 1. Measure from the bottom of the wing tool bar to the ground at the outer end of each wing. 2.
Page 124: Wing Alignment
YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Alignment To check and adjust wing alignment: 1. Unfold product. See “Unfolding the Product” on page 26. 2. Set tongue height (page 23). Lower product. Pull forward. Refer to Figure 135 and Figure 136 3.
Page 125 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Chain Maintenance Inspect and lubricate chains regularly. The slack of new chains tends to increase during the first few hours of operation due to seating. See also “Chain Routing” on page 160. Chain Slack Check slack at fixed idlers within the first 8 hours of operation and tighten idlers as necessary.
Page 126: Side Wheel
YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Spreaders and Scrapers  Applies to all row unit Series.  It is normal for the blade spreader to have some looseness in the holder and between the blades. Refer to Figure 140 Some looseness is required for proper operation.
Page 127 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Seed Flap Replacement Refer to Figure 142 To replace an 816-302C seed flap use a needle nose pliers or similar tool to grasp “T” top of flap. Pull upward to pull flap up out of metal bracket Push new seed flap down through metal bracket until flap snaps into place with “T”...
Page 128: Strainer
YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Fertilizer System Maintenance With proper attention to maintenance, end of day clean-out, end of season clean-out and winterization, you can substantially increase the life and reliability of Possible Chemical Hazard: your fertilizer system. Protect the pump, clean the tanks, Wear proper protective equipment as required by chemical strainers, lines and nozzles, and you can avoid costly manufacturer.
Page 129 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Lubrication Intervals (operating hours) Multi-purpose Multi-purpose Multi-pupose Inspection at which service oil lubricant spray lubricant grease lubricant is required Wing Caster: Parallel Arms 29263 One zerk each end of each arm, each wing; 8 total Type of Lubrication: Grease Quantity: Until Grease emerges...
Page 130 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Frames 29200 Two zerks; one each wing at wing-frame to tool bar joint Type of Lubrication: Grease Quantity: Until grease emerges Rockshaft to Main Frame One zerk each side; 2 total Type of Lubrication: Grease Quantity: Until grease emerges 29320...
Page 131 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Lift Cylinders: Rod End Two zerks, one each inside end of pins, each side Type of Lubrication: Grease Quantity: Until grease emerges 29294 Level Link, Front End 29200 One zerk each link; 2 total Type of Lubrication: Grease Quantity: Until grease emerges Mainframe to Rear Sub-Frame...
Page 132 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Rear Sub-Frame to Rear Axle 29320 One zerk each side; 2 total Type of Lubrication: Grease Quantity: Until grease emerges Axle Link: Aft End 29295 One zerk each link; 2 total Type of Lubrication: Grease Quantity: Until grease emerges Level Link, Aft End One zerk each link;...
Page 133 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Rear Caster Wheel Pivot One zerk each of 2 casters; 2 total Type of Lubrication: Grease Quantity: Until grease emerges 29293 Opener Side Wheel Bushing On both sides of each row-unit Type of Lubrication: Grease Quantity: Until grease emerges 21960 Marker Joints...
Page 134 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication 150 Bu. Hopper Straps (Option) 31468 0, 8, 50 One strap each hopper “Hopper Strap Maintenance (Option)” page 123 for inspection intervals and adjustment. Hydraulic Drive Chains 29259 As Required Four chains in mainframe center section Type of Lubrication: Chain Lube Quantity = Coat thoroughly ...
Page 135 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Meter Drive Chains 29616 As Required One chain each meter Type of Lubrication: Chain Lube Quantity = Coat thoroughly  Lubricate chains any time there is a chance of moisture, and when being stored at the end of the planting season.
Page 136 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Caster Wheel Pivot One zerk each of 2 casters; 2 total Type of Lubrication: Grease Quantity: Until grease emerges  It may be necessary to unfold the product, place the wing caster locks in FIELD configuration, and move the product a short distance to engage the lock, and move the indicator arm down enough to provide access to the zerk.
Page 137 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Wing Casters: Wheel Hubs Seasonal Four bearings; 2 each wing Type of Lubrication: Grease Quantity: Re-pack 29263 Markers: Disk Hub Seasonal Four bearings; 2 each marker Type of Lubrication: Grease Quantity: Re-pack 20332 Transport Wheels: Wheel Hubs Seasonal...
Page 138 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Gauge Wheel Bearings Seasonal Four bearings, 2 each side Type of Lubrication: Grease Quantity = Re-pack 31369 2019-03-19 Table of Contents Index 411-198M...
Page 139 YP4025A-48TR20 Table of Contents Index Maintenance and Lubrication Seed Lubricants To maximize performance of Great Plains metering systems, it is imperative to use “Ezee Glide Plus” or Bayer Seed Fluency Agent. Ezee Glide Plus Talc+Graphite Mix 821-069C bucket, 5 gallon (19 liter) Ezee Glide Plus Lubricant “Ezee Glide Plus”is suitable for all seeds, especially...
Page 140 YP4025A-48TR20 Table of Contents Index Options Hydraulic Tongue A 3-point hitch is standard on the YP4025A-48TR20, but a hydraulic tongue may be substituted. Option Packages Part Number Factory-Installed 401-482A Field-Installed 401-483A See page 20 for operation. 26152 Weight Transfer System This option provides two cylinders and a control valve that transfer up to 1000 pounds (450 kg) of mainframe weight to each wing.
Page 141: Trailer Hitch Weldment
YP4025A-48TR20 Table of Contents Index Options Low Speed Kit Combinations of narrow row spacings, high cell count or fingers per revolution, low populations and/or low field speed can result in the hydraulic seed meter motor operating at an rpm too low for consistent control by the proportional valve.
Page 142 The Type 2 boom has a single inlet, and is optimized for use with a Great Plains hydraulic drive pump. The base Type 2 system is plumbed to the on-board tanks. The 407-243A kit extends it to the rear hitch, for use with the 400 gallon tank of the PFC2000.
Page 143 YP4025A-48TR20 Table of Contents Index Options Liquid Fertilizer Tanks This option includes two 200 gallon (750 liter) tanks, plumbing subsystems, and requires a separate manifold and 417-482A pump. Description Part Number YP4025A-48TR20 Tank Kit 407-244A For operations, see: “Air System Operation” on page 44. 29300 Fertilizer Carts Semi Mounted Tank...
Page 144 The 407-243A kit extends the inlet to the available rear pintle hitch for use with a user-provisioned nurse tank cart. This kit is not required for on-board tanks or SML carts using the Great Plains hydraulic pump. The wing boom systems are separate for each wing Description...
Page 145 Great Plains offers two models of VeriFlow nozzles: Description Part Number NOZZLE HI-VERIFLOW1 829-143C (0.25 to 2.8 gpm at 15 to 60 psi) NOZZLE VERIFLOW1 829-144C (0.15 to 1.5 gpm at 15 to 60 psi)
Page 146 YP4025A-48TR20 Table of Contents Index Options 82 or 150 bu. Seed Hopper The 82 bu. (2890 liter) hopper may be purchased with the YP4025A-48TR20 or added later.  The 150 bu. (5286 liter) hopper is incompatible with the liquid fertilizer tank system, as it occupies the space used for the tanks.
Page 147: Usb
YP4025A-48TR20 Table of Contents Index Options Seed Lubricant Description Order Number Ezee Glide Plus Talc + Graphite Mix (5 821-069C gallon / 18.9 liter container) Fluency Powder, case quantity 821-074C Fluency Powder, single 4.4 pound bucket 821-075C For use, see “Seed Lubricants” on page 135. 36369 29248 USB-CANbus Adapter...
Page 148 YP4025A-48TR20 Table of Contents Index Options Frame-Mounted Row Options ® SmartBox Mounting Kit 24169 ® These kits support the mounting of AMVAC SmartBox ® containers and meters above row units. SmartBox is a delivery system low-rate pelletized seed/row treatments. Implement Name Model Part Number YP4025A-48TR20 403-746A...
Page 149: Swath Command
YP4025A-48TR20 Table of Contents Index Options Unit-Mounted Row Options Swath Command Swath Command™ replaces the electric 3-section clutches with electro-pneumatic clutches at each row (at each row pair for twin row and spacings under 20 in.). The basic Swath Command™ package includes all implement hardware, all implement electronics (except GPS), and cabling to integrate with monitor CAN bus.
Page 150 YP4025A-48TR20 Table of Contents Index Options Row-Pro™ Row-Pro™ adds a pneumatic cylinder to each row unit, supplement the down-pressure springs. Under control of ® ® the DICKEY-john IntelliAg seed monitor, the included air system make real-time adjustments to row down force.
Page 151 YP4025A-48TR20 Table of Contents Index Options Coulter Blades Replacement and alternate coulter blades include (qty. 1 per row unit): 15 inch Turbo Packages Part Number Turbo, 15 inch (20 flutes) 820-327C Fluted, 15 inch (50 flutes) 820-331C Straight, 14 inch 820-259C For operations, see: 25299...
Page 152 YP4025A-48TR20 Table of Contents Index Options Seed Meter Disks ® Air-Pro meters accept a variety of seed disks, each optimized for specific seeds, plus a special blank disk for row shut-off. Disks are simple to change. Choices include: Part Number Meter Disks Blank, 0 Cell 817-841C...
Page 153 YP4025A-48TR20 Table of Contents Index Options Clean-Out Container One container is provided with the product. Order the following part for additional or replacement containers. Order Description Number AIR METER CLEAN OUT FUNNEL 817-811C See “Funnel Conversion” on page 108. See “Meter Clean-Out” on page 108. 29992 Seed Tube Brush One brush is provided with the product.
Page 154 Additional wheels are available, and all may be field-installed. This manual does not list kit part numbers as the available wheels are often region-specific. Consult your Great Plains dealer. For operations, see: 29331 “Press Wheel Adjustment” on page 93.
Page 155 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Appendix A - Reference Information Specifications and Capacities YP4025A-48TR20 YP4025A-48TR20 48 (24 twin) Row Count 20 in. Row Spacing Working Width 39 ft. 7 in. Swath (Channel Width) 480 in. Seed Capacity Optional 82 or 150 bu hopper or PROBOX®...
Page 156: Tire Information
YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Torque Values Chart Bolt Head Identification Bolt Head Identification Bolt Bolt 10.9 Size Size Grade 2 Grade 5 Grade 8 Class 5.8 Class 8.8 Class 10.9 ft-lb ft-lb ft-lb ft-lb ft-lb in-tpi ft-lb...
Page 157 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Hydraulic Diagrams Fold, Marker and Auxiliary Hydraulics (Standard) 29808 2019-03-19 Table of Contents Index 411-198M...
Page 158 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Auxiliary Hydraulics (with Markers deleted) 29245 To Tractor 2019-03-19 Table of Contents Index 411-198M...
Page 159 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Fan Hydraulics (S/N B1082H-) 29631 2019-03-19 Table of Contents Index 411-198M...
Page 160 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Fan Hydraulics (S/N B1083H+) 29631 2019-03-19 Table of Contents Index 411-198M...
Page 161 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Hydraulic Drive (Standard) 29218 2019-03-19 Table of Contents Index 411-198M...
Page 162 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Hydraulic Tongue (Option) i c s a u l y d r i f t h T o L b a s i c s a u l y d r i f t h e n d T o L...
Page 163 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Lift Hydraulics (Standard) t o r r a c T o T 29217 Null4: 2019-03-19 Table of Contents Index 411-198M...
Page 164 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Chain Routing Legend: Sprocket or idler Tooth count Chain Pitch count Direction of chain in motion Hydraulic Drive Chain Routing 29259 2019-03-19 Table of Contents Index 411-198M...
Page 165 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Wing Drive Chain Routing 29261 2019-03-19 Table of Contents Index 411-198M...
Page 166 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information 25AP Final Meter Drive Legend: Sprocket or idler Tooth count Chain Pitch count Direction of chain in motion 29619 25AP: Meter Drive (Front type) No idlers on mount. top chain passes over single idler on shank be sure to reconnect idler spring 29621 29620...
Page 167 YP4025A-48TR20 Table of Contents Index Appendix A - Reference Information Seed Hose Routing Mechanical Routing, Left Side 29305 2019-03-19 Table of Contents Index 411-198M...
Page 168 YP4025A-48TR20 Table of Contents Index Connections, 16-Port Air Box, Left Facing forward/left, with product folded. 48-Row: YP4025A-48TR20 RACK AIR BOX GUIDES RACK 29298 Section Left Wing Left Center Air Box Ctr Guide Wing Guide Rack Tube Splitter Y-Tube Row Unit Connections, 16-Port Air Box, Right Facing forward/right, with product folded.
Page 169 Appendix B - Initial Setup Appendix B - Initial Setup Pre-Delivery Items These items are normally completed by the Great Plains dealer prior to releasing the implement to the customer. Install Upper Marker Components Marker disks and end tubes are removed for shipping.
Page 170: Virtual Terminal
YP4025A-48TR20 Table of Contents Index Appendix B - Initial Setup Initial Setup These items may not be dealer-installed or dealer pre-set unless prior arrangements have been made. Seed Monitor Console Installation The product’s standard seed monitor system includes a virtual terminal and switch panel that must be mounted in ®...
Page 171 YP4025A-48TR20 Table of Contents Index Appendix B - Initial Setup Dual Marker Speed Adjustment Overhead Sharp Object Hazard: You may be injured if hit by a folding or unfolding marker. Markers may fall quickly and unexpectedly if the hydraulics fail. Never allow anyone near the product when folding or unfolding the markers.
Page 172: Marker Extension
YP4025A-48TR20 Table of Contents Index Appendix B - Initial Setup Marker Extension Prior to first use, and if row spacing is changed (including locking up row units for single-row operation on a twin-capable product), set and check where the mark is made on each side relative to the outside row units (whether in use or not).
Page 173 2. Refer to Figure 37 on page 39, or Figure 38 on page 40 placement elevations based remaining hopper capacity. Great Plains suggests mounting the sensor on the lower front wall of the hopper. Figure 154 29328 ®...
Page 174 YP4025A-48TR20 Table of Contents Index Appendix C - Option Installation Appendix C - Option Installation 122-278S Scraper Installation Optional carbide disc scrapers are not factory installed. Start with row 1 (left-most row unit). ®  If a Keeton seed firmer is also installed, see the Parts Manual for assembly details.
Page 175 YP4025A-48TR20 Table of Contents Index 402-520A Low Speed Kit Installation See “Low Speed Kit” on page 137 for the purpose of this kit. 1. Shut off any hydraulic source that powers the hydraulic seed meter drives (dedicated remotes or PTO). Refer to Figure 158 2.
Page 176 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Appendix R - Row-Pro™ Preparation and Setup Row-Pro™ Setup (Option) The factory default setting for down-force is likely to differ from that required by your next field conditions. Before modifying the monitor setting for down-force, determine what actual down force is ideal for the initial use of the planter.
Page 177 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Operating Instructions Refer to Figure 159 Row-Pro™ is a factory installed option for implements with 25-series openers that equipped with ® ® DICKEY-john IntelliAg . It helps the spring down force system to maintain a user-determined, ideal weight for the side depth gauge wheels.
Page 178 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Row-Pro™ Components Refer to Figure 161 and Figure 162 The main systems of Row-Pro™ consist of: 1. An air compressor system: one 12VDC air compressor with air tank , two extension cables , and one fuse assembly 2.
Page 179 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Row-Pro™ Air Compressor System Row-Pro™ Air Compressor Refer to Figure 163 The 12VDC compressor requires both an electrical connection and a mounting location. It should be mounted in a location on the tractor or planter where most convenient.
Page 180 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Row-Pro™ Air Pressure Gauge Refer to Figure 166 Row-Pro™ is designed to run at 150 psi. When the psi drops to 135 the compressor engages and builds back up to 150 psi. Duty cycle varies based on air usage. Check for Air Leaks Before going to the field check for air leaks.
Page 181: Work Screen
YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Row-Pro™ Adjustments Refer to Figure 167 Load Cell Reading These readings are displayed and adjusted from the ® IntelliAg seed monitor console. Control Mode: Auto is the normal running mode. Manual is used to control the valves only when the operator touches the increase or decrease icon on the work screen.
Page 182 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Sensitivity Adjust: Determines how responsive the Controller is to input from the DPLCM. The range is from -10 to +10. Zero (0) is the average setting. Going below 0 decreases the reaction time. Going above 0 increases the reaction time.
Page 183 YP4025A-48TR20 Table of Contents Index Appendix R - Row-Pro™ Row-Pro™ Troubleshooting Problem Cause Solution Switch turned “off”. Turn switch “on”. Compressor won’t turn on Poor electrical connection. Clean connections and reassemble. Fuse blown. Replace fuse (60A). Section opener valves are installed in Install opener valves correctly.
Page 184 This Warranty is limited to the replacement of any defective part by Great Plains and the installation by the dealer of any such replacement part. Great Plains reserves the right to inspect any equipment or part which are claimed to have been defective in material or workmanship.
Page 185 YP4025A-48TR20 Cover Table of Contents Index cartridge, filter ........124 contact, opener disk ......83 case drain .......... 46 container, clean-out ....108 ABS ..........108 case drain Hose ......... 18 continuous mode (remotes) ....29 adding seed ......... 39 caster lock ........32 corn..........
Page 186 YP4025A-48TR20 Cover Table of Contents down pressure, row unit .....79 gate, Y-tube ........48 IMPORTANT!, defined......14 draft control mode ......23 gauge line .......... 22 in train ..........34 dribbler, fertilizer .......141 gauge wheel scraper ....85 Inc/Dec ..........59 drop brush ..........51 GPS ........49 inflation ..........151 dual marker speed ......166 gray ............
Page 187 YP4025A-48TR20 Cover Table of Contents lowering planter ........29 parts manual ........14 re-phasing lift system ......30 lowering restrictions ......28 passes ..........30 respirator ........53 lubricant ........ 39 PFC2000 .......... 138 return line, fan........46 lubricant, seed ......135 pins, parking ........21 return port ...........53 pins, seed box ........
Page 188: Table Of Contents
YP4025A-48TR20 Cover Table of Contents sensor, hopper level ......14 sway blocks ........19 treatment, seed......39 sequence valve ......65 switch panel ........165 troubleshooting ........95 serial number ........15 symbol, safety ........1 basic ..........95 setup ...........16 system elements population low ......98 shank, row unit ........91 planter tank .........
Page 189 YP4025A-48TR20 Cover Table of Contents YP4025A ..........14 403-287M, manual ......43 817-967C, seed disk......148 YP4025AR-4810 ......148 403-551D, seed disk ......148 817-9691C, seed disk .......148 YP4025A-48TR20 ..... 15 403-746A, SmartBox mount ..... 144 818-045C, decal ........9 Y-tube ..........51 404-093K, Seed-Lok® ..... 149 818-055C, reflector .......6 Y-tubes ..........108 404-194D, scraper ......
Page 190 Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

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