Krone BiG X 770-3 - Wheel Hub Gearbox Maintenance

Maintenance - Gearbox
731
26.1.7 Wheel hub gearbox maintenance
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NOTE
Use SHELL SPIRAX S4 CX 50 gear oil only.
Front wheel hub gearbox
Oil level check
Fig. 687
• Position the wheel ensuring the oil filler plug (1) is at the top.
• Thoroughly clean the area around the oil filler plug (1) and the oil level inspection screw (2).
WARNING! Risk of scalding by hot gear oil escaping under pressure.
• To reduce the pressure, carefully open the oil filler plug (1) from a lateral position.
• Mount the oil filler plug (1).
• Position the wheel ensuring the oil filler plug (1) is horizontal to the hub.
• Dismount the oil level inspection screw (2).
• Oil level must reach the inspection bore, if necessary, top up oil (see Oil change).
• Re-mount the oil level inspection screw (2).
Oil change
• Provide a collecting vessel (10 litres).
• Thoroughly clean the area around the oil filler plug (1) and the oil level inspection screw (2).
• Position the wheel ensuring the oil filler plug (1) is at the top.
WARNING! Risk of scalding by hot gear oil escaping under pressure.
• To reduce the pressure, carefully open the oil filler plug (1) from a lateral position.
• Mount the oil filler plug (1).
• Position the wheel ensuring the oil drain plug (3) is vertical relative to the hub.
• Dismount the oil drain plug (3) and drain the oil.
• Dismount the oil filler plug (1).
• Mount the oil drain plug (3).
• Add the oil. Type of oil and filling quantity, see page 104.
• Mount the oil filler plug (1).