Instruction manual

16
G
Maintenance
General
1 Caution! Rotating blades
Before all maintenance and cleaning tasks:
z Remove the sparking plug lead.
z Take care not to grab running cutters.
z For safety reasons, replace any worn or damaged parts.
When replacing, follow the instructions for installation
z Check all the visible fastening bolts and nuts regularly to be
sure they are snug and tighten them.
z Only use spare parts made by WOLF; otherwise you do not
have a guarantee that your mower meets safety regulations.
Cleaning operations and blade change
1. Pull off the sparkplug connector!
2. Raise the cutting height to its highest position .
3. For cleaning and changing the blade, tip the mower to the side
as illustrated .
Sharpening and changing blade
1 Caution! Rotating blades
Before all maintenance and cleaning tasks:
z Remove the sparking plug lead.
z Take care not to grab running cutters.
1 Attention!
An unbalance can develop after regrinding of the blade.
z Always regrind the blades in a specialist workshop,
because an unbalance check should be undertaken
according to the safety regulations.
z Always change blades in a specialist workshop. A torque
spanner of 17 mm is mandatorily required.
Fastening torque of the screws: 38-42 N-m.
Adjusting the Bowden cable coupling
1. Raise the drive bracket (2) app. 2 cm and hold.
2. Loosen the locking nut (1).
3. Turn the setscrew (2) left until the drive wheels are blo-
cked when you pull the mower backwards.
4. Tighten locking nut (1).
Change oil only
z While engine is warm and fuel tank empty.
z Change oil after the first 5 working hours. There after change
engine oil every 25 working hours and at the end of the mo-
wing season. Change engine oil more frequently if working un-
der extreme and dusty conditions.
1. Remove oil filler cap.
2. Tilt machine slowly to side and allow oil to drain from the
crankcase through the filler.
3. Oil Fill .
Cleaning of Spark Plug
z Check and clean regularly
z Reset plug gap as required (0,76 mm).
Cleaning of air filter
Refer to the engine manufacturer‘s handbook supplied.
Storage in winter
z Drain the fuel tank.
z Drain the carburettor.
– This can be done by starting the engine and allowing it to
run until it stops of its own accord.
z Clean the mower thoroughly.
z Change the oil.
z Preserve the engine:
– Unscrew the sparking plug and pour one dessert spoon of
engine oil into the sparking plug opening
– Pull the starting cord slowly all the way (oil distribution in the
cylinder)
– Screw the sparking plug back in position (do not replace the
sparking plug lead)
z Store the mower in a cool and dry location.
z The mower should be checked by a WOLF customer service
workshop in the autumn.
Spare parts
M
P
Q
G
R
R
R
J
Ordering number Designation of the item Description of the item
4232 066 Grass catcher 42 QR
4236 066 Grass catcher 48/53 QR
4212 094 Vi 42 S Replacement blade 42 cm
4218 094 Vi 48 S Replacement blade 48 cm
4223 094 Vi 53 S Replacement blade 53 cm
2058 305 RJ 19 LM Spark plug
2061 305 Air filter
4180 091 HD SAE 30 (VO 4T) Motor oil 0,6 l