Fendt 800 S4 Maintenance Schedules
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Engine
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Perform stationary regeneration of DPF | Must always be done before changing the engine oil. | ||
| Change engine oil | 10W40 Syn. Deutz Engine Oil | 79036470B | 15L |
| Oil drain plug gasket | 72439876 | 1 | |
| Change engine oil filter | 72662762 | 1 | |
| Drain water from fuel filter | |||
| Drain water from fuel pre-filter | As required. | ||
| Change fuel pre-filter | 72609142 | 1 | |
| Change the DEF filter | ACP0594170 | 1 | |
| Check air filter maintenance code | |||
| Check engine air filters | Clean Out (Advise if replacement needed) 72608874 Outer, 72437627 Inner | ||
| Check and clean cooling radiators and fan | As required. | ||
| Check for coolant system leaks | |||
| Check engine air intake system for leaks | |||
| Check water pump bearings & leaks at weep hole | |||
| Check fan bearings | |||
| Check engine belts |
Transmission
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Check transmission oil level | 821XL Hyd. / Trany Fluid | ||
| Check fluid level for clutch/brake actuation | |||
| Check for brake drag with rolling stop test |
Front Axle & PTO
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Change oil in front PTO | 821XL Hyd./Trany Fluid | 79037113B | 4L |
| Change filter in front PTO | O-Ring is 72376561. If equipped with front PTO | 72315104 | 2 |
| 72317842 | 1 | ||
| Check oil level in front differential | 80W-90 Gear Oil with LS additive. | ||
| Check oil level in front axle hubs | 80W-90 Gear Oil | ||
| Check front axle toe-in | 0-2mm (0 to 0.08") |
Hydraulics
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Check hydraulic oil level | 821XL Hyd./Trany Fluid | ||
| Drain oil from couplers' oil recovery bottles | As required. |
Cab
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Change fresh air filter | 72438336 | 1 | |
| Change recirculating air filter | 72454771 | 1 | |
| Clean the a/c condenser | |||
| Windshield washer reservoir | Refill as needed. | 15-204 | 1 |
Compressed Air System
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Operate tank drain valve | Operate drain valve to drain water. | ||
| Compressed air function/leak test |
Electrical System
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Check lighting, signaling, and warnings systems for correct operation | |||
| Check software version, and update if necessary | |||
| Check battery acid level | |||
| Read out, record diagnostic memory & remedy faults |
General
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Tighten wheel hardware to specifications | |||
| Check for loose hardware, linkages; check for leaks | |||
| Check tire pressure | |||
| Lubricate all grease points | 79014728B | 1 | |
| Test drive tractor, checking functions & braking systems | |||
| Check brake control | |||
| Check electro-hydraulic steering |
Wheel Nut Torque Specifications
Top| Job | Notes | Part | Quantity |
|---|---|---|---|
| Front wheel center to hub | 330 ft/lbs (450NM) | ||
| Front wheel rim to dish | 207 ft/lbs (280NM) | ||
| Rear wheel center to hub | 457 ft/lbs (620NM) | ||
| Rear wheel hub tapers to axle (3 step tightening) | 442 ft/lbs (600NM) | ||
| Rear wheel rim to dish | 206 ft/lbs (280NM) | ||
| Wheel Weight, Rear/Tapered Cones – (M16 Bolt) Torque Spec | 195 ft/lbs. with M16 Bolts |