10.7 Chassis maintenance
➤ Perform maintenance tasks according to the schedule in chapter 10.2.3.1.
10.7.1 Wheel checks
Check the wheels for tightness, visible damage and tyre pressures:
■
after the first 50 km
■ after every wheel change
■ at least every six months
Material Torque wrench
Tyre pressure gauge
Precondition Machine shut down and secured against restarting.
1. Check/adjust for wheel fixing torques.
2. Check the tyres and wheels for any defect.
Replace any damaged or worn tyres.
3. Check the tyre treads for sufficient depth.
According to local roadworthy regulations, at least 1.6 mm in most countries.
Profile depth too low: change tyres.
4.
Check the tyre pressures.
Result Tyre pressure too low: pump tyres.
Further information See chapter 2.4.3 for wheel fixing torques.
See chapter 2.4.2 for tyre pressures.
A sticker is found on each wheel arch giving the recommended tyre pressure.
10.7.2 Towbar maintenance
Clean and lubricate all sliding and rotating bearings as necessary but at least every 6 months.
Material Lithium-enriched multi-purpose grease
Acid-free oil
Cleaning cloth
Precondition The machine is shut down.
The machine is disconnected from the towing vehicle and safely parked.
10 Maintenance
10.7 Chassis maintenance
128
Service manual Portable compressor
M122
No.: 9_6974 20 E
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