Maintenance; Faults And How To Remedy - Wolf Garten HBM 40 B Gebrauchsanweisung

Maintenance

Disconnect spark plug cap and starter key before proceeding (fig. W1/W2)
Clean mower thoroughly after each mowing with cloth or brush. Do not spray with water. Keep mower in a dry room.
Change oil only
While engine is warm and fuel tank empty.
Change oil after the first 5 working hours. Thereafter chane engine oil every 25 working hours and at the end of the mowing season.
Change engine oil more frequently if working under extreme and dusty conditions. To drain the engine oil, remove oil filler cap, tilt
machine slowly to side and allow oil to drain from the crankcase through the filler.
Cleaning of Spark Plug
Check and clean regularly, reset plug gap as required (0,76 mm).
Cleaning of air filter
Refer to the engine manufacturer's handbook supplied.
Cleaning operations and blade change (fig. W1)
Tilt the mower towards rear for cleaning operations and blade change: Detach spark plug cable. Fold upper part of handle forwards
(avoid damage to Bowden cables).
Sharpening and changing blade (fig. W3)
Blade should always be sharpened by an approved Service Centre. Change blade according to drawing.
Gloves should be worn at all times when working on the blade. Remove ignition key and spark plug lead when working on
the blade. Information for Service Centre, blade retaining screw to be tightened to: screw = 38-42 Nm.
Winter storage
• Drain fuel tank.
• Drain carburettor
- therefore start engine, keep it runninug until it automaticalli switches off.
• Clean the whole machine thoroughly
• Change oil, 4-stroke engine.
• Prepare engine for winter storage as follows:
- Remove spark plug
- Poor one spoon full of engine oil into spark plug hole
- Pull starter rope slowly to distribute oil evenly inside cylinder
- Replace spark plug but do not connect spark plug lead
- Pull starter rope until resistance is felt (valves are now closed)
• Store mower in a cool and dry place.
We recommend: Have your mower thoroughly checked once a year by approved Service gent.

Faults and how to remedy

Problem
Motor does not start or
has no power:
Uneven cutting:
When in doubt, always consult a WOLF service workshop. Important: switch off the mower and disconnect the spark
plug lead before inspecting, cleaning or working on the blades.
Possible cause
• Insufficient fuel in the tank
• Spark plug lead not connected
• Spark plug out of order
• ir filter dirty or oily
• Throttle lever not at „Run"
• Blade fastening screw loose
• Clutch linings worn
• Cutting height misadjusted
• Blunt blades
• ir / duct catcher bag blocked
WOLF
service
workshop
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Remedy (X) by:
Yourself
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