You're about to pull a wheel, tee a gauge into the charge circuit or chase a code on the arm rest display of a Nitro 7310. This CNH service manual covers the Tier 4B final machine with the FPT NEF 6.7L engine. It runs from the engine and SCR aftertreatment through the hydrostatic drive, steering, sprayer hydraulics and spraying pump.
Nothing stops a job faster than a wheel sitting on the hub with nobody in the shop who knows the lug torque. This book has that number. It also has the pressure settings, capacities, fault codes with DTC numbers and the electrical and hydraulic schematic posters.
It goes along on a phone or tablet in the cab, so the spec is with you at the machine and not back at the house. Fix it and get back to spraying.
What's Inside This Miller Nitro 7310 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 1-40 | Safety Rules, Minimum Tightening Torques, Lubricants and Capacities, Tires and Rims, General Specifications, Hydraulic Contamination, Pressure Settings, Product Identification |
| Engine | 41-120 | Engine and Crankcase, Fuel Tanks, Air Cleaners and Lines, Selective Catalytic Reduction (SCR) Exhaust Treatment, Engine Cooling System |
| Front and Rear Axle Systems | 121-152 | Non-Powered Front Axle, Non-Powered Rear Axle |
| Hydrostatic Drive | 153-210 | Mechanical Control, Pump and Motor Components |
| Brakes and Controls | 211-228 | Hydraulic Service Brakes |
| Hydraulic Systems | 229-370 | High Flow Hydraulics, Reservoir, Cooler and Filters, Auxiliary Hydraulic Pump, Hydraulic Fan Drive Cooling System, Sprayer Hydraulic System |
| Pneumatic System | 371-384 | - |
| Steering | 385-466 | Steering Control, Cylinders |
| Wheels | 467-496 | Front Wheels, Rear Wheels |
| Cab Climate Control | 497-534 | Heating, Air Conditioning |
| Electrical System | 535-559 | Electrical Power Distribution, Fuses and Relays, Sensing Systems |
| Harness Electrical Schematic Sheets | 560-661 | Machine Electrical Schematic, Harness Sheets 01-50, Engine Schematics Sheets 01-06 |
| Wire Connectors | 662-965 | Component Diagrams, Connector Pin Wire Number, Circuit Reference and Schematic Frame, Engine Connectors X-9000 Series |
| Electronic Modules | 966-1063 | Electronic Module Testing, Engine Crank Inhibit, Driveline Controller |
| Drive, Cab and HVAC Control Systems | 1064-1095 | Hydrostatic Drive Control System, Cab Controls, Heating, Ventilation and Air-Conditioning (HVAC) Control System |
| Fault Code Index and Self-Test Codes | 1096-1120 | DTC Contents, Power on Self-Test, Supply Voltage, Flash, RAM and Software Fault Codes |
| Engine ECU Fault Codes | 1121-1510 | Engine Fault Codes 3001-3985 with DTC Numbers: Sensors, Fuel Rail, Injectors, CAN, Torque Limitation |
| SCR and DEF Fault Codes | 1511-1732 | SCR Inducement, NH3 and NOx Sensors, DEF/AdBlue Supply Module, Urea Tank Level Codes |
| CAN Bus and Steering Fault Codes | 1733-1929 | CAN Bus, 4WS Sensors, SASA Sensor, Vehicle Speed Sensor, Safe On-Road Monitoring Codes, Fault Code Index |
| Spraying | 1930-1941 | Spraying Pump |
| Platform, Cab, Bodywork and Decals | 1942-2001 | Cab Interior, Cab Interior Trim and Panels, Cab Doors and Hatches, Protections and Footboards, Pneumatically-Adjusted Operator Seat, Engine Hood and Panels |
| Special Tool Index | 2002-2003 | |
| Electrical Schematic Poster | 2004-2005 | Electrical Schematic 48180593 |
| Hydraulic Schematic Poster | 2006-2013 | Propel, Auxiliary, Boom, Tread Width, Float and 4WS Hydraulic Schematics (RAC 48180595) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine | FPT NEF 6.7L Tier 4B 212 kW (310 Hp) | p. 28 |
| Engine oil capacity | 15.9 L (4.2 US gal) without oil filter; 17.0 L (4.5 US gal) with oil filter | p. 25 |
| Coolant capacity | Approximately 51.1 L (13.5 US gal), not including heater core or cab plumbing | p. 25 |
| Hydraulic tank capacity | Approximately 132 l (35 US gal) | p. 25 |
| Hydraulic oil type | NEW HOLLAND AMBRA HYDROSYSTEM 68 | p. 25 |
| Planetary hub oil capacity | 1479 mL (50 US fl oz) | p. 25 |
| Fuel capacity | 553 L (146 US gal) Ultra low sulfur diesel | p. 28 |
| Diesel Exhaust Fluid (DEF) capacity | 91 L (24 US gal) | p. 28 |
| Hydro pump displacement | 165cc | p. 28 |
| Auxiliary hydraulic circuit | 166.6 L/min (44.0 US gpm) closed center | p. 28 |
| Rinse tank, standard | 568 l (150 US gal), Poly | p. 28 |
| Weight (approximate) | 13154 kg (29000 lb) | p. 28 |
| Front wheel lug nut torque | 610 - 678 N·m (450 - 500 lb ft) | p. 478 |
| Rear wheel lug nut torque | 610 N·m (450 lb ft) | p. 490 |
| Charge pressure (min / nominal / max) | 3172 kPa (460 psi) / 3378 kPa (490 psi) / 3585 kPa (520 psi) | p. 32 |
| High pressure forward (min / nominal / max) | 44126 kPa (6400 psi) / 44816 kPa (6500 psi) / 44816 kPa (6500 psi) | p. 32 |
| Priority pressure (min / nominal / max) | 15341 kPa (2225 psi) / 15858 kPa (2300 psi) / 16375 kPa (2375 psi) | p. 32 |
| Park brake pressure (min / nominal / max) | 2586 kPa (375 psi) / 2758 kPa (400 psi) / 2930 kPa (425 psi) | p. 32 |
Miller Nitro 7310 Common Problems This Manual Covers
Engine will not crank even though the batteries are good
This is usually the crank inhibit. The engine will not start if the hydrostatic control lever (joystick) is out of neutral or the Engine Wait to Start lamp is still lit. Put the joystick in neutral and wait for the lamp to go off. If it still won't start, troubleshoot the active diagnostic codes listed in the Fault codes section.
Manual Section: Electrical systems: hydrostatic drive control / Fault codes p. 1044Fault 627-01: steering orbital power on self-test failed
627-01 means the steering orbital failed its power on self-test because the battery supply was too low, under 9 V. Possible causes are the wiring, a faulty alternator, a charging system problem or a faulty steering orbital. Inspect the battery connections and the harness from the battery to the control modules.
Manual Section: Fault codes: steering orbital self-test codes p. 1112Fault 298967-19: CAN bus received network data in error
Don't start replacing parts first. Use the chassis monitor to confirm 298967-19 is actually active. If it is, inspect the steering orbital connections. Then trace the harness from the steering orbital to the other devices on the CAN data link. The Electrical systems harness sheets and wire connector pages show the routing.
Manual Section: Fault codes: CAN bus and steering sensor codes p. 1738Checking hydrostatic charge and drive pressures against spec
You can monitor the individual charge pressures on the chassis diagnostic page of the arm rest display. Charge pressure is 3172 / 3378 / 3585 kPa (460 / 490 / 520 psi) min / nominal / max. High pressure forward is 44126 / 44816 / 44816 kPa (6400 / 6500 / 6500 psi). Priority pressure is 15341 / 15858 / 16375 kPa (2225 / 2300 / 2375 psi).
Manual Section: Introduction: pressure settings / Hydrostatic drive p. 32Frequently Asked Questions
Why will my Nitro 7310 not crank?
The engine has a crank inhibit. It will not start if the hydrostatic control lever (joystick) is out of neutral or the Engine Wait to Start lamp is still lit. Put the joystick in neutral and make sure the lamp is off before you try again. If it still won't start, troubleshoot the active diagnostic codes. p. 1044
What does fault code 298967-19 mean on a Nitro 7310?
298967-19 is CAN bus, Received network data in error. First use the chassis monitor to confirm the code is active. Then inspect the steering orbital connections and the harness running from the steering orbital to the other devices on the CAN data link. p. 1738
What is the wheel lug nut torque on a Miller Nitro 7310?
Front wheel lug nuts get 610 to 678 N·m (450 to 500 lb ft). Rear wheel lug nuts get 610 N·m (450 lb ft). Front and rear use different specs, so check which end you're working on before you set the wrench. p. 478
How much hydraulic oil does the Nitro 7310 hold?
The hydraulic tank holds approximately 132 l (35 US gal). The manual specifies NEW HOLLAND AMBRA HYDROSYSTEM 68. p. 25
What engine is in the Miller Nitro 7310?
It's an FPT NEF 6.7L Tier 4B final rated at 212 kW (310 Hp). The fuel tank holds 553 L (146 US gal) of ultra low sulfur diesel. The DEF tank for the SCR system holds 91 L (24 US gal). p. 28
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