Part of the Case IH Repair Manuals.
The PS4 and PS6 powershift sections get full coverage: pressure tests, calibration, TCU configuration, clutch pack clearance checks, and complete removal, disassembly and assembly. The rest of the tractor is also covered: the 9L and 13L engine, SCR exhaust treatment, both axles, PTO, brakes, the PFC pump and remote hydraulics, steering, Quadtrac tracks, cab air conditioning, electrical frames and fault codes.
This is Case IH Service Manual part number 47680528, 1st edition, March 2014. It covers Steiger 370, 420, 470, 500, 540, 580 and 620 and Quadtrac 470, 500, 540, 580 and 620 Tier 4B (final) tractors, PIN ZEF300001 and above.
What's Inside This Case IH Steiger 370–620, Quadtrac 470–620 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 1-51 | Cover, PIN and Model List, Engine Link Table, Safety Rules, Minimum Tightening Torques, Capacities, General Specifications, Product Identification, Machine Orientation |
| Engine and Crankcase | 52-127 | Engine and Crankcase Service, Fuel Tanks |
| Engine Air Cleaners, Cooling, Fan and Drive | 128-287 | Air Cleaners and Lines, Aftercooler, Engine Cooling System, Fan and Drive, Hydraulic Fan Pressure Test |
| Engine SCR Exhaust Treatment | 288-332 | Diesel Exhaust Fluid (DEF/AdBlue) Tank, SCR Muffler and Diesel Oxidation Catalyst (DOC) Muffler Removal and Installation |
| Powershift Transmission | 333-515 | PS4 and PS6 Specifications and Torques, Pressure Test Specifications, Theory of Operation, Pressure Tests, Calibration, TCU Configuration, Removal, Disassembly and Assembly |
| Powershift Transmission External Controls | 516-586 | Transmission Control Valve, Clutch, Hand Lever, Regulator Valve, Range Selector Valve, Master Clutch PWM, Drive Shaft Dampener |
| Powershift Transmission Internal Components | 587-899 | PS4 and PS6 Shaft Assemblies, Clutch Pack Clearance Test |
| Powered Front Axle | 900-1541 | Front Axle Torques, Removal and Installation, Bevel Gear Set and Differential, Final Drives |
| Powered Rear Axle | 1542-2227 | Rear Axle, Bevel Gear Set and Differential, Planetary and Final Drives |
| Power Take-Off (PTO) | 2228-2381 | PTO Control Valve, One-Speed Rear PTO, PTO Pressure Test, PTO Gearbox |
| Brakes and Controls | 2382-2466 | Parking Brake, Leak Test, Hydraulic Service Brakes, Tow/Park Brake Valve Schematic |
| Hydraulic Systems | 2467-2582 | Component Identification, Hydraulic Symbols, Hydraulic Schema, Pump Control Valves, Charge Pump, Variable Displacement PFC Pump |
| Hydraulic Remote Control Valves | 2583-2713 | Remote Control Valves, Auxiliary Hydraulic Pump, Reservoir, Cooler and Filters, Combination Pump Units, High Flow Hydraulics |
| Hitches and Implement Couplings | 2714-2731 | Drawbars and Towing Hitches |
| Frames and Ballasting | 2732-2781 | Frame, Drawbar and Hitch Assembly |
| Steering | 2782-2861 | Steering Control, Hydraulic Control Components, Pilot Relief Test, Steering Pump, Auxiliary Steering Schematic, Front and Rear Wheels |
| Tracks and Track Suspension | 2862-3021 | Quadtrac Track Torques, Track Frame and Driving Wheels, Track Tension Units, Track Rollers |
| Cab Climate Control | 3022-3124 | Ventilation, Blower Test, Air Conditioning, R134a Charge, Problem Solving, Cab Pressurizing System |
| Electrical Harnesses and Schematics | 3125-3569 | Component Identification, Diagram Legends, Harness Prefixes, Fuse, Relay and Component Tables, Electrical Schematic Frames, ECU Frames, Connector Identification and Pin Tables |
| Electrical Control Systems | 3570-3805 | Alternator, Battery, Fuel Injection, Engine Intake and Exhaust, Transmission, Axle and Rear PTO Control, HVAC Control, Lighting, Electronic Modules, Remote Valve and Hitch Control, SCR Electrical System, Fault Code Contents |
| Electrical Fault Codes | 3806-5017 | Fault Code Cards with Cause and Solution, Fault Code Index |
| Platform, Cab and Bodywork | 5018-5233 | Engine Hood and Panels, Shields and Latches, Operator Seat, Cab, Cab Interior, Special Tool Index |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine oil with filter, 9L engine | 25 l (6.6 US gal) | p. 37 |
| Engine oil with filter, all other models | 27.25 l (7.2 US gal) | p. 37 |
| Cooling system, 9L engine | 50 l (13.2 US gal) | p. 37 |
| Cooling system, 13L single turbo engine | 57.6 l (15.2 US gal) | p. 37 |
| Cooling system, 13L twin turbo engine | 70 l (18.4 US gal) | p. 37 |
| Transmission oil, 370, 420, 470 or standard 500 | 63 l (16.6 US gal) | p. 37 |
| Transmission oil, 500 Scraper, 540, 580 and 620 | 68 l (18 US gal) | p. 37 |
| Hydraulic and axle system, 370 | 237 l (62.5 US gal) | p. 37 |
| Hydraulic and axle system, 420 to 620 | 250 l (66 US gal) | p. 37 |
| Hydraulic and axle system, Quadtrac | 314 l (83 US gal) | p. 37 |
| Thermostat starts to open | approximately 83 °C (180 °F) | p. 39 |
| Deaeration tank pressure cap | 103 kPa (15 psi) | p. 39 |
| Maximum steering pressure | 193 bar (2800 psi) | p. 40 |
| Maximum hydraulic system pressure | 210 bar (3050 psi) | p. 40 |
| Powershift transmission main pressure at 1000 RPM | 18.6 - 20.7 bar (270 - 300 psi) | p. 339 |
| PTO clutch pressure at 1000 RPM | 14.8 - 18.3 bar (215 - 265 psi) | p. 2243 |
| PFC pump high pressure standby (standard pump) | 3000 - 3090 psi (207 - 213 bar) | p. 2518 |
| Steering pilot relief pressure | 18271 - 18961 kPa (2650 - 2750 psi) | p. 2816 |
| Wheel to hub bolts, flange axle without dual hub spacer | 529 - 569 N·m (390 - 420 lb ft) | p. 2846 |
| Transmission mounting bolts, small frame tractors | 282 - 319 N·m (208 - 235 lb ft) | p. 337 |
| Quadtrac idler wheel mounting bolts (lubed) | 665 - 745 N·m (490 - 550 lb ft) | p. 2862 |
| Quadtrac alignment plate mounting bolts (lubed) | 678 - 793 N·m (500 - 585 lb ft) | p. 2862 |
| Quadtrac standard track width | 762 mm (30 in) | p. 41 |
| A/C R134a refrigerant charge, all models | 1.9 kg (4.2 lb) | p. 3031 |
| Charging system output at 1000 RPM | 12.8 - 14.5 V | p. 3570 |
Case IH Steiger 370–620, Quadtrac 470–620 Common Problems This Manual Covers
Cab A/C blowing warm with the low side and high side gauges both reading low
The problem solving table in Cab Climate Control says the system is low on refrigerant. Find and repair the leak first, then check the compressor oil level. Evacuate the system and recharge it with R134a. The charge is 1.9 kg (4.2 lb) on all models.
Manual Section: Air conditioning problem solving p. 3098A/C low side pressure reads high while the high side reads low
Cab Climate Control points to a compressor malfunction. Check power and ground at the compressor and make sure the clutch engages. If the compressor has an internal leak, recover the refrigerant and replace the compressor and the receiver/drier. Then evacuate and recharge the system.
Manual Section: Air conditioning problem solving p. 3099A/C cools in the morning and gives out in the afternoon, with low side reading low and high side reading high
Cab Climate Control says this means non-condensables, air and/or moisture, are in the system. The usual sign is intermittent cooling that only works in the cooler part of the day. Recover the refrigerant, replace the receiver/drier, then evacuate and recharge.
Manual Section: Air conditioning problem solving p. 3099A/C low side and high side pressures both reading high
The Cab Climate Control problem solving table points to an overcharged system. Recover the refrigerant and recharge with the specified charge of R134a. If the readings stay high, the other two causes in the table are a faulty thermal expansion valve and poor air flow across the condenser.
Manual Section: Air conditioning problem solving p. 3100Frequently Asked Questions
Does this manual cover my Case IH Steiger or Quadtrac?
It covers the Steiger 370, 420, 470, 500, 540, 580 and 620 and the Quadtrac 470, 500, 540, 580 and 620 Tier 4B (final) tractors, PIN ZEF300001 and above. The part number is 47680528, 1st edition, March 2014. The applicability list includes heavy duty wheeled, wheeled scraper, Steiger 500 QT and Quadtrac models. Your PIN plate is on the right front side plate, just ahead of the front axle. p. 1
What are the fluid capacities on the Steiger and Quadtrac?
Engine oil with filter takes 25 l (6.6 US gal) on the 9L engine and 27.25 l (7.2 US gal) on all other models. The cooling system holds 50 l (13.2 US gal) on the 9L, 57.6 l (15.2 US gal) on the 13L single turbo and 70 l (18.4 US gal) on the 13L twin turbo. Transmission oil is 63 l (16.6 US gal) on the 370, 420, 470 or standard 500, and 68 l (18 US gal) on the 500 Scraper, 540, 580 and 620. The hydraulic and axle system takes 237 l (62.5 US gal) on the 370, 250 l (66 US gal) on the 420 to 620 and 314 l (83 US gal) on the Quadtrac. p. 37
What pressures does the manual give for the transmission, PTO, hydraulic pump and steering?
Powershift transmission main pressure is 18.6 - 20.7 bar (270 - 300 psi) at 1000 RPM. PTO clutch pressure is 14.8 - 18.3 bar (215 - 265 psi) at 1000 RPM. High pressure standby on the standard PFC pump is 3000 - 3090 psi (207 - 213 bar). Steering pilot relief is 18271 - 18961 kPa (2650 - 2750 psi). Maximum system pressure is 210 bar (3050 psi). p. 339
What are the wheel, track and transmission mounting torques?
On a flange axle without a dual hub spacer, torque the wheel to hub bolts to 529 - 569 N·m (390 - 420 lb ft). On the Quadtrac, lubed idler wheel mounting bolts take 665 - 745 N·m (490 - 550 lb ft). Lubed alignment plate mounting bolts take 678 - 793 N·m (500 - 585 lb ft). Transmission mounting bolts on small frame tractors take 282 - 319 N·m (208 - 235 lb ft). p. 2846
Does the manual include wiring diagrams, hydraulic schematics and fault codes?
Yes. It has a one-sheet hydraulic schema of the whole machine, a tow/park brake valve schematic, and a power steering schematic with secondary steering. The electrical schematic frames include frame 24 (starting and charging), frame 31 (engine) and frame 37 (TCU controller power and ground). The fault codes section gives each code its own card listing cause and solution. p. 3179
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