This document is a repair manual for CLAAS ARION 650-620 CMATIC and ARION 550-530 CMATIC tractors. It provides detailed instructions and specifications for various repair and maintenance procedures, focusing on the engine and related components.
Function Description:
The manual outlines the procedures for disassembling, assembling, and maintaining key engine components, including the complete engine, engine-chassis coupling, timing cover, engine flywheel housing, and oil pressure controller. It serves as a guide for technicians to perform repairs accurately and safely, ensuring the proper functioning and longevity of the tractors.
Important Technical Specifications:
Tractor Models Covered:
- ARION 600 (Type A37, serial number A3700050 onwards)
- ARION 500 (Type A35, serial number A3500050 onwards)
Complete Engine Specifications:
- Weight (6-cylinder engine): 860 kg
- Weight (4-cylinder engine): 700 kg
- Tightening Torques: Unspecified tightening torques refer to the "Tightening torques" section (not provided in the excerpt).
Engine to Chassis Coupling Specifications:
- Nut (H, M16 x 2.00 CL 10.9): 130 N·m + 40°
- Stud (M16 x 2.00 L 80 CL 10.9): 50 ± 5 N·m (with Loctite 638)
- Stud (M14 x 1.50 L 82 CL 10.9): 50 ± 5 N·m (with Loctite 638)
- Nut (H, M14 x 1.50 CL 10.9): 195 ± 20 N·m
- Bolt (H, M14 x 1.50 L 80/34 CL 12.9): 240 N·m
- Adjustment Shim: Without play + 0.1 mm
- Consumable (Loctite 638): Part No. 60 0136 585 0
Timing Cover Specifications (6 cylinders):
- Front Panel Weight: 8 kg
- Torx® Milled Head Bolts: 25 N·m
- M10 x 84 Studs: Observe tightening order
- M10 x 68 Studs: 35 N·m
- Torx® Bolt: Observe tightening order
- Timing Cover Weight: 4 kg
- M10 Nuts: Observe tightening order
- M8 x 60 Bolt: 35 N·m (Observe tightening order)
- M8 x 50 Bolt: 35 N·m (Observe tightening order)
- M8 x 40 Bolt: 35 N·m (Observe tightening order)
- Access Plug to High-Pressure Pump Pinion: 60 N·m (Use new O-ring)
- Oil Pressure Controller: 97 N·m
- Controller Spring Length: 120 mm (at tension between 60 and 75 N: 42.5 mm)
- Consumable (Loctite 515): Part No. 60 0571 950 5
Timing Cover Specifications (4 cylinders):
- Front Panel Weight: 8 kg
- Torx® Milled Head Bolts: 25 N·m
- M10 x 84 Studs: Observe tightening order
- M10 x 68 Studs: 35 N·m
- M10 Nuts: Observe tightening order
- M8 x 50 Bolt: 35 N·m (Observe tightening order)
- M8 x 60 Bolt: 35 N·m (Observe tightening order)
- Access Plug to High-Pressure Pump Pinion: 60 N·m (Use new O-ring)
- Oil Pressure Controller: 97 N·m
- Controller Spring Length: 120 mm (at tension between 60 and 75 N: 42.5 mm)
Engine Flywheel Housing Specifications:
- Weight: 70 kg
- M20 x 70 Bolt: 530 N·m
- M20 x 100 Bolt: 530 N·m
- M12 x 38 Bolt: 110 N·m (Lubricate threads, observe tightening order)
- M16 x 60 Bolt: 130 N·m + 45° (Lubricate threads, observe tightening order)
- M16 x 70 Bolt: 230 N·m (Lubricate threads, observe tightening order)
- M10 x 185 Bolt: 73 N·m (Lubricate threads, observe tightening order)
- Tool for fitting and removing the oil pressure controller: No. 60 0500 557 3
- Slide hammer: No. 77 0138 805 8
Usage Features:
The manual provides step-by-step instructions for various procedures, including:
- Coupling the engine to the chassis: Details the bolts, studs, and nuts required, along with their specific tightening torques and the use of Loctite for secure fastening.
- Removing and fitting the timing cover: Covers procedures for both 6-cylinder and 4-cylinder engines, including the application of flexible seals, removal of various components (fan, water pump, crankshaft torsional absorber, front bearing seal, oil pressure controller, crankshaft position sensor, thermostat unit, camshaft, high-pressure injection pump, crankshaft sensor target, intermediate pinions, oil pump, balancer shafts), and their reinstallation with specific tightening orders and torque values.
- Removing and fitting the oil pressure controller: Provides detailed steps for both 6-cylinder and 4-cylinder engines, including the use of special tools for extraction and insertion, and instructions for checking and positioning sealing washers.
- Removing and fitting the engine flywheel housing: Includes instructions for removing the electric starting motor, detaching the housing from the cylinder block and oil sump, and fitting it back with new O-rings and seals, emphasizing cleanliness of contact surfaces.
Maintenance Features:
- Safety Warnings: Emphasizes critical safety precautions, particularly regarding lifting heavy components (risk of death or serious injury, use of certified lifting equipment) and contact with hot liquids or machine parts (risk of burns, use of protective clothing, allowing components to cool).
- Environmental Protection: Highlights the importance of collecting and disposing of lubricants and fuel in accordance with regulations to prevent pollution.
- Preparation for Work: Lists consumables required for specific tasks, such as sealing and glue products (Loctite 638 and 515).
- Cleanliness: Stresses the importance of ensuring contact surfaces are clean and dry before applying seals or fitting components.
- Component Inspection: Advises checking components like springs for reusability or replacement.
- Lubrication: Specifies where to lubricate components, such as the camshaft O-ring and bolt threads, with clean engine oil.
- Tightening Order: Explicitly instructs technicians to observe the illustrated tightening orders for bolts and studs to ensure proper assembly and prevent damage.
- New Seals and O-rings: Recommends using new seals and O-rings during reassembly to ensure proper sealing and prevent leaks.
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