300 Maintenance X Clean the stub of front PTO shaft : with a soft cloth. After each period of use: ! When installing the new wiper blades, pay careful attention to the different lengths: R left wiper blade 900 mm X Lightly grease the stub of front PTO shaft : . R right wiper blade 1000 mm The wiper system can otherwise be dam- aged. X Push the cover onto front PTO shaft : . X Check that it is positioned correctly. Twist the cover in place. Removing Have PTO shaft : transmission checked and repaired at a qualified specialist workshop.
Maintenance and care Replacing the wiper blades Important safety notes G WARNING If you use the steps and grab handles at the front of the cab when replacing the wiper blades, you could slip and/or fall. There is a risk of injury. When replacing the wiper blades, always use secure climbing aids, e.g. a suitable ladder. X Apply the parking brake. X Shift into neutral. X Move the windscreen wiper to the side, to its end position ( Y page 88). G WARNING If the windscreen wipers begin to move while you are changing the wiper blades, you can be trapped by the wiper arm. There is a risk of injury. Always switch off the windscreen wipers and ignition before changing the wiper blades.
X Switch off the engine. X Remove the key from the ignition lock. X Unscrew nut ; on wiper blade ? . X Raise wiper arm = . X Pull out bolt A . X Left windscreen wiper: remove roller : . X Both windscreen wipers: remove wiper blade ? . ! Only touch the wiper blade on the wiper arm. Otherwise, you could damage the wiper blade. X Carefully lift wiper arm = off the wind- screen. The windscreen will no longer be wiped prop- erly if the wiper blades are worn. This may prevent you from observing the traffic condi- tions. X Carefully lift wiper arm = off the wind- screen. Fitting Windscreen wiper blades X Insert new wiper blade ? . X Left windscreen wiper: insert roller : . General notes !
Vehicles with external sun visors: do not fold up the wiper arm. Otherwise, you could damage the external sun visors. X Both windscreen wipers: insert bolt A . X Tighten nut ; so that wiper blade ? can still move in wiper arm = . X Screw on new nut ; . X Fold wiper blade ? onto the windscreen.