Part of the John Deere Repair Manuals.
Looking for the John Deere 1445F, 1745F, 1845F, 2345F technical manual PDF? All 205 pages of TM4481 cover these four tractors end to end: engine, fuel and air intake, electrical, clutch, gearbox, both differentials, brakes, hydrostatic steering, power lift, body, and axle. You get a dedicated troubleshooting section for nearly every assembly, page after page of tightening torque tables, and exploded views that show exactly how each unit comes apart and goes back together. Step-by-step procedures walk you through PTO speed selection, bevel pinion assembly, and power lift pressure adjustment. Set final drive end play, adjust the anti-shock valve, and torque the rear differential to the factory numbers in the tables, not somebody's forum guess. Your tractor is down; stop improvising. Fully bookmarked PDF that opens on any device, so jump to the section and get wrenching.
What's Inside This John Deere 1445F, 1745F, 1845F, 2345F Manual
| System | Pages | Key Topics |
|---|---|---|
| Technical Data | 8-9 | Model Specifications, Inflating Pressure, Hydrostatic System, Power Lift, Electrical System, Lights |
| Maintenance | 10-15 | Greasing Points, Oil Replacement and Checking, Hydraulic Circuit, Cooling Circuit, Fuel Feed Circuit, Engine Air Intake Circuit |
| Special Tools | 16-19 | Mounting Tools, Extractors, Pressure Gauges, Wrenches, Valve Adjustment Tools, Mobile Supports |
| Fuel and Air Intake System | 22-25 | Accelerator Adjustment, Fuel Filter, Air Intake Filter, Fuel Pump, Fuel Injection Nozzles, Turbocharger |
| Electrical System | 26-35 | Wiring Diagram, Headlight Adjustment, PTO Safety Device, Signaling Switches, Fuses, Electrical Troubleshooting |
| Clutch and Gearbox | 36-60 | Clutch Adjustment, Clutch Unit Assembly, Gearbox Tightening Torque, Gearbox Components, Gear Speed Diagrams, Gearbox Troubleshooting |
| Rear Drivetrain (Differential and Final Drive) | 61-85 | Rear Differential Tightening, Locking Control Adjustment, Bevel Pinion Assembly, Differential Adjustment, Final Drive End Play, Drivetrain Troubleshooting |
| Front Drivetrain (Power Take-Off and Front Differential) | 86-115 | PTO Control Adjustment, PTO Speed Selection, PTO Final Drive Assembly, Front Differential Tightening, No-Spin Differential Lock, Front Drivetrain Troubleshooting |
| Brakes | 116-125 | Brake Tightening Torque, Service Brake Adjustment, Parking Brake Adjustment, Brake Control Linkages, Braking Unit Assembly, Brake Troubleshooting |
| Hydrostatic Steering System | 126-140 | Steering Tightening Torque, Pressure Adjustment, Anti-Shock Valve, Steering Travel Adjustment, Steering Column Assembly, Hydrosteering Troubleshooting |
| Lifter and Hydraulic Circuits | 141-170 | Hydraulic Tightening Torque, Circuit Diagrams, Power Lift Pressure Adjustment, Auxiliary Distributor, Controlled Position Adjustment, Hydraulic Troubleshooting |
| Body and Axle | 171-205 | Body Tightening Torque, Platform Disassembly, Body Troubleshooting, Axle Tightening Torque, Kingpin Assembly, Axle Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic circuit | 10-10-5 | p. 2 |
| Hydraulikkreis | 10-10-5 | p. 4 |
| Circuito di alimentazione | 10-10-7 | p. 2 |
| Circuit d'alimentation | 10-10-7 | p. 2 |
| Circuito di aspirazione aria motore | 10-10-8 | p. 2 |
| Circuit d'aspiration d'air du moteur | 10-10-8 | p. 2 |
| Hydraulic pump flow rate for lift at max power | 31 + 34 dm³/1' | p. 14 |
| Hydraulic pump flow rate for hydrostatic steering load sensing at max power | 31 + 34 dm³/1' | p. 14 |
| PINION-CROWN WHEEL MATING | 0.10-0.18 mm | p. 125 |
| PINION-CROWN COUPLING ADJUSTMENT | 19 Nm (2 kgm) | p. 126 |
| Hydrostatic Steering Max Pressure | 85-95 bar | p. 9 |
John Deere 1445F, 1745F, 1845F, 2345F Common Problems This Manual Covers
John Deere 1445F engine cranks fine but won't start, or stalls seconds after it fires
Check the fuel pickup screen (part TCA12637) before condemning the injection pump; a plugged screen starves the engine and mimics injector failure. Drain a fuel sample and look for water or gasoline contamination. Replace the fuel filter and inspect lines for obstruction using the fuel feed circuit procedures starting on page 22.
Manual Section: Fuel and Air Intake System p. 22Hydraulic pump whines or squeals under load, loader and three-point hitch lift slowly
Verify pump output before replacing anything; on the 1845F the lift pump should deliver 31 to 34 dm³/min at maximum power, per the spec on page 14. Flow well below that with a whining pump points to cavitation: check oil level, replace the suction filter, and inspect suction lines for air leaks following the hydraulic troubleshooting starting on page 141.
Manual Section: Lifter and Hydraulic Circuits p. 141Steering feels hard, jerky, or wanders at low RPM after sitting through winter
Test relief valve pressure with a gauge teed into the steering circuit; the maximum pressure valve setting is 85 to 95 bar, listed in the technical data on page 9. Adjust the valve if pressure falls outside that range, then check the anti-shock valve and bleed air from the circuit using the hydrostatic steering procedures beginning on page 126.
Manual Section: Hydrostatic Steering System p. 126Rear axle growls under load and clunks on direction changes, noise gets worse in turns
Measure pinion-to-crown wheel mating play first; good mating requires 0.10 to 0.18 mm, shown on page 125. Adjust by applying a 19 Nm (2 kgm) preload on the differential ring nuts, then back the ring nut off about 3 notches to reach 0.160 to 0.170 mm play between crown wheel and side pinion. Replace any bearing showing spalling before final adjustment.
Manual Section: Rear Drivetrain (Differential and Final Drive) p. 125Frequently Asked Questions
Torque specs for John Deere 1445F transmission bolts?
The manual provides various torque specifications for gearbox-related bolts. For instance, the clutch housing to gearbox fixing screw M10 x 30 should be tightened to 54 Nm (5.5 kgm), and the engine flange clutch housing-gearbox fixing screw M16 x 140 to 196 Nm (20 kgm). p. 47
What is the recommended greasing interval for points B, D, and E on the John Deere 1445F?
For John Deere 1445F, greasing points B, D, and E should be performed every 50-60 hours of work using ESSO GP GREASE. Other points like A, C, and F require greasing every 25-30 hours. p. 10
When should the first oil change be performed for the John Deere 1445F, and what is the oil capacity?
The first oil change for the John Deere 1445F should be performed after approximately 50-60 hours of operation. The system requires 4.5 kg of fresh ESSO UNIFARM 15W-40 oil. p. 11
What is the service interval for cleaning the hydraulic circuit filter on the John Deere 1445F?
The hydraulic circuit filter on the John Deere 1445F should be cleaned periodically every 400 hours of work, or at each replacement of the tractor oil. The procedure involves extracting, washing with gas oil or fuel, and drying with an air jet. p. 13
What is the recommended replacement interval and fluid type for the cooling circuit on the John Deere 1445F?
The cooling fluid for the John Deere 1445F should be changed every 800 hours of work or every two years, whichever comes first. It requires John Deere engine cooling fluid. p. 14
What do I get after purchasing this John Deere 1445F, 1745F, 1845F, 2345F?
Instant PDF download. You get the full 205-page scanned Technical Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Is this John Deere 1445F, 1745F, 1845F, 2345F Technical Manual printable?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
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