3-Pt. Rotary Tiller Owner’s Manual WARNING: Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating. Failure to follow the safety rules and other basic safety precautions may result in serious personal injury.
™ Thank you very much for choosing a Nortrac product! For future reference, please complete the owner’s record below: Serial Number/Lot Date Code: ________________________________ Purchase Date: ____________________________________________ Save the receipt, warranty, and this manual. It is important that you read the entire manual to become familiar with this product before you begin using it. This 3-Pt. Rotary Tiller is designed for certain applications only.
Table of Contents Intended Use .......................................................................................................................................... 4 Technical Specifications ...................................................................................................................... 4 Important Safety Information ............................................................................................................... 5 Specific Operation Warnings .......................
Intended Use The NorTrac 3-Pt, 71 inch PTO 3-Pt. Rotary Tiller turns up hard ground quickly and easily. The middle gearbox driving system makes working more effective. This tiller is a must-have for vegetable and hobby farmers, landscape contractors, nurseries, and much more. Technical Specifications 1 Model 2 Power (HP) 3 Plough width (in) 4 Plough depth (in) 5 Mode of blades 6 Quantity of blades (piece) 40 7 Forward speed (mph) 1~3 8 9 10 11 1GQN-180 40-55 71 plough in dry fields 3~6.
Important Safety Information Read and understand all instructions. Failure to follow all instructions may result in serious injury or property damage. The warnings, cautions, and instructions in this manual cannot cover all possible conditions or situations that could occur. Exercise common sense and caution when using this tiller. Always be aware of the environment and ensure that the tiller is used in a safe and responsible manner.
mask in dusty work conditions. Also use non-skid safety shoes, hardhat, gloves, dust collection systems, and hearing protection when appropriate. This applies to all persons in the work area. Do not overreach. Keep proper footing and balance at all times. Remove keys or wrenches before connecting the tiller to an air supply, power supply, or turning on the tiller. A wrench or key that is left attached to a rotating part of the tiller may cause personal injury.
To prevent serious injury or death: Read and understand this Owner’s Manual before operating, servicing, or repairing the equipment. Stop the engine, remove the key, and set the brake before dismounting the tractor. DO NOT operate without the guards in place and ensuring that the equipment is in good, working condition. Never allow riders on the equipment. Keep bystanders at least 50 feet away while operating. DO NOT operate or transport on steep inclines.
Assembly Instructions Tractor Requirements The tractor horsepower and the hitch category should be within the range noted below. Tractors outside the horsepower range must not be used. Tractor Horsepower Rating . . . . . . . . . . . Up to 40-55 HP 3-Point Hitch Category . . . . . . . . . . . . . . . . . . Category 2 Structure of Tiller and Adjustment The tiller is a farming implement driven by the tractor’s PTO shaft.
Table 1 – Tiller Parts List 1 Gimbals Z1 bevel 2 First shaft Z2 gear 3 Second shaft Z3 4 Third shaft Z4 5 Fourth shaft Z5 6 Blade arbor spline shaft 7 Left blade arbor 8 Right blade arbor cylindrical gear Z6 The tiller has a completely metal structure consisting of three parts: the transmission mechanism, the working mechanism, and the auxiliary mechanism. The transmission mount mainly consists of the gimbals, the assembly, and a gear box.
Ref Name Part Number Quantity 5 elastic collar for holes 40 GB/T893-1986 8 6 square shaft clamp ZT-03 1 7 washer 10 GB/T95-2002 1 8 square shaft bolt ZT-04 1 9 square shaft ZT-05 1 10 square axial sleeve clamp ZT-06.00 1 11 crossed shaft CA-10 JB/T524-1986 2 The refueling plug is installed on the case cover for oil filling and air breathing. The test plug is installed on the right side of the second shaft for oil inspection.
Table 3 - Gearbox Assembly Parts List Ref. Part No. Name Qty. 1 1GQN-180.105 Bolt 1 2 1GQN-180.106 Washer 1 3 GB/T5783 Bolt M14×30 6 4 GB/T93 Spring washer 14 6 5 1GQN-180.103 Upper cover 1 6 1GQN-180.104 Gasket 1 7 1GQN-180.102 Gearbox 1 8 GB/T297-1994 Bearing 32310 2 9 1GQN-180.135 Gasket 2 10 1GQN-180.125 Right bearing cover for 2nd shaft 1 Combine washer 12 1 11 12 1GQN-180.
Ref. Part No. Name Qty. 32 GB/T9877.1 Oil seal 50×72×12 4 33 GB/T297-1994 Bearing 32210 2 34 1GQN-180.109 Spline shaft 1 35 1GQN-180.060 Small plough assy 1 36 GB/T93 Spring washer 12 10 37 GB/T5783 Bolt M12×30 4 38 1GQN-180.129 Bevel gear shaft 1 39 GB/T297-1994 Bearing 330311 2 40 1GQN-180.128 Gasket 1 41 1GQN-180.127 Sleeve ring 1 42 GB/T5783 Bolt M12×35 6 43 1GQN-180.130 Cover for 1st shaft 1 44 1GQN-180.131 Gasket 1 45 GB/T9877.
skids located on the sides of the tiller. The adjustment bolts for both the right and left sides should be positioned in the same adjustment hole. This allows the tiller to till the same depth on each side. 6. Raise the tiller and remove the blocking. Slip Clutch Adjustment (when supplied) The Slip Clutch is designed to slip so that the gearbox and driveline are protected if the implement strikes an obstruction. A new slip clutch or one that has been in storage over the winter may seize.
Figure 4 - Main Beam, Blade Shaft & Suspension Assembly Table 4 - Main Beam, Blade Shaft, and Suspension Assembly Parts List Reference Number Part Number Name Qty. 1 GB/T5783 Bolt M12×45 12 2 1GQN-180.202 Bearing cover Ⅱ 2 3 GB/T7940.1 Grease nipple M10×1 2 4 1GQN-180.203 Gasket 2 5 GB/T812 Round nut M45×1.5 2 6 GB/T858 Stop washer 45 2 7 GB/T276 Bearing 6210 2 8 GB/T9877.1 Oil seal FB80×60×12 4 9 1GQN-180.021 Antifriction plate 2 10 1GQN-180.
Reference Number Part Number Name Qty. 14 GB/T5783 Bolt M12×30 40 15 GB/T5669-1995 Left JF1801 Tilling Blade 20 16 GB/T5669-1995 Right JF1801 tiller blade 20 17 1GQN-180.314 Cotter pin 2 18 GB/T97.1 Washer 10 16 19 GB/T91 Pin 3×30 4 20 1GQN-180.315B Hood(right) 1 21 1GQN-180.408 U type bolt 4 22 1GQN-180.032 Main beam 1 23 GB/T5783 Bolt M14×35 6 24 1GQN-180.
Reference Number Part Number Name Qty. 47 GB/T5782 Bolt M20×100 1 48 1GQN-180.402 Pull rod 2 49 1GQN-180.301 Axis pin 2 50 1GQN-180.330 Pin 4 51 GB/T97.1 Washer 20 4 52 1GQN-180.303 Spring Ⅱ 2 53 1GQN-180.304 Spring Ⅰ 2 54 1GQN-180.302 Adjusting pull rod 2 Before Each Use Oil is NOT included. Before using, add oil to the central gear box. Consult owner’s manual for lubricating and operating instructions.
Field Inspection Do not use the tiller in wet conditions. Wet material will build up causing the tiller to lose effectiveness. 1. Thoroughly inspect the area to be tilled for ditches, drop-offs, stumps, post, rocks, and other unforeseen objects that the tiller or the tractor can snag on or hit. Mark all potential hazards before working the area. 2. Verify the tiller is set at the correct working height. 3. After the first 50 feet, stop and check to see that the tiller is adjusted properly. 4.
successful installation of the gimbals assembly, the bolt should be inserted and the splint pin should be installed. Starting the Tiller 1. Start the tractor and set at an idle RPM. 2. With the tiller lifted off the ground, engage the PTO, and slowly advance the throttle to 540 RPM. NOTE: The tiller is designed to run at 540 RPM ONLY. 3. Select a low gear on the tractor and begin to move forward. The tractor ground speed is to be controlled by the gear selector ONLY and not the engine's speed.
Changing Direction and Reversing the Tiller When turning or backing off, the tiller should be lifted up and the PTO should be shut off. Do not turn during cultivating, or it could cause damage to the blades and possible damage to the tiller. Maintenance Proper maintenance is important for keeping the tiller in good, working condition and to maintain a long service life. Maintaining the Tiller 1. Provide maintenance after every 10 hours of operation. 2. Check and tighten all connecting nuts and bolts.
the splined shaft is stored in open air, it should be painted with grease in order to prevent any rusting. Non-working surfaces with scratched paint should also be re-painted to prevent rust. The tiller should be parked inside or covered outdoors. Important: Be sure to check and tighten any loose bolts on the gear box before every use. Troubleshooting Problems Causes Solutions Gimbals flying 1. Detachment of positioning pin. Install positioning pin. off 2. Retaining ring flew out.
Problems Causes Solutions 1. Poor welding quality. Re-weld. 2. Bent blade struck a rocky area. Tiller is not suitable for rocky and rooted areas. Welding detached of 3. Bent blade is installed inversely, increasing its blade holder resistance. Bent blade is 4. Tiller is dropped forcefully, bending blade received Tiller should be lowered slowly excessive force. during operation. 1. Hit rocks. Replace bent blade. 2. Still operating during turnaround.
Installation Position of Key Standard Parts and Lubricating Sites Figure 5 - Installation Positions of Key Standard Parts of Lubricating Positions Figure 6 - Installation Positions of Key Standard Parts of Lubricating Positions Page 22 of 28
Installation Location of the Standard Parts Ref. Name Specification Installation location Quantity 1 cross joint 131 gimbals assembly 2 2 check ring GB/T893.
Wearing Parts List Ref. 1 Name gimbals assembly Specification Installation location Set Quantity 1 2 oil seal FB60 x 80 x 10 two ends of blade shaft 3 oil seal FB35 x 55 x 12 transmission case 4 oil seal FB40 x 62 x 5 transmission case 5 oil seal FB45 x 65 x 12 left link arm end 4 1 1 1 1 6 oil seal FB52 x 72 x 5 two ends of blade shaft 7 oil seal FB50 x 72 x 12 two ends of blade shaft 4 8 O-ring 25 × 1.
Parts Shipped with Machine Ref.
Replacement Parts For replacement parts and technical questions, please call Customer Service at 1-800-222-5381. Not all product components are available for replacement. The illustrations provided are a convenient reference to the location and position of parts in the assembly sequence. When ordering parts, the following information will be required: item description, item model number, item serial number/item lot date code, and the replacement part reference number.
Limited Warranty Northern Tool and Equipment Company, Inc. ("We'' or '"Us'') warrants to the original purchaser only ("You'' or “Your”) that the Nortrac product purchased will be free from material defects in both materials and workmanship, normal wear and tear excepted, for a period of one year from date of purchase. The foregoing warranty is valid only if the installation and use of the product is strictly in accordance with product instructions.
Distributed by: Northern Tool & Equipment Company, Inc. Burnsville, Minnesota 55306 www.northerntool.
