Zenoah GZ7000 Maintenance schedule, Daily maintenance Weekly maintenance Monthly maintenance

Page 36

MAINTENANCE

Maintenance schedule

The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section.

	Daily maintenance	Weekly maintenance	Monthly maintenance

		On chain saws without a catalytic	Check the brake band on the chain
		On chain saws without a catalytic	brake for wear. Replace when less
	Clean the outside of the machine.	converter, check the cooling system	brake for wear. Replace when less
	Clean the outside of the machine.	converter, check the cooling system	than 0.6 mm (0,024 inch) remains at
		weekly.	than 0.6 mm (0,024 inch) remains at
		weekly.	the most worn point.
			the most worn point.

	Check that the components of the	Check the starter, starter cord and	Check the clutch centre, clutch drum
	throttle control work safely. (Throttle	Check the starter, starter cord and	Check the clutch centre, clutch drum
	throttle control work safely. (Throttle	return spring.	and clutch spring for wear.
	lockout and throttle control.)	return spring.	and clutch spring for wear.
	lockout and throttle control.)

	Clean the chain brake and check that
	it operates safely. Make sure that the	Check that the vibration damping	Clean the spark plug. Check that the
	chain catcher is undamaged, and	elements are not damaged.	electrode gap is 0.5 mm.
	replace it if necessary.

	The bar should be turned daily for
	more even wear. Check the
	lubrication hole in the bar, to be sure it	Lubricate the clutch drum bearing.	Clean the outside of the carburettor.
	is not clogged. Clean the bar groove.	Lubricate the clutch drum bearing.	Clean the outside of the carburettor.
	If the bar has a sprocket tip, this
	should be lubricated.

	Check that the bar and chain are	File off any burrs from the edges of	Check the fuel ﬁlter and the fuel hose.
	getting sufﬁcient oil.	the bar.	Replace if necessary.

	Check the saw chain with regard to
	visible cracks in the rivets and links,
	whether the saw chain is stiff or	Clean or replace the spark arrestor	Empty the fuel tank and clean the
	whether the rivets and links are	mesh on the mufﬂer.	inside.
	abnormally worn. Replace if
	necessary.

	Sharpen the chain and check its
	tension and condition. Check the	Clean the carburettor compartment.	Empty the oil tank and clean the
	drive sprocket for excessive wear and	Clean the carburettor compartment.	inside.
	replace if necessary.

	Clean the starter units air intake.	Clean the air ﬁlter. Replace if	Check all cables and connections.
	Clean the starter units air intake.	necessary.	Check all cables and connections.
		necessary.

	Check that nuts and screws are tight.

	Check that the stop switch works
	correctly.

	Check that there are no fuel leaks
	from the engine, tank or fuel lines.

36 – English

Image 36

Contents Operator’s manual KEY to Symbols Symbols on the machineSymbols in the operator’s manual Contents What is WHAT? What is what on the chain saw?General Safety Precautions Before using a new chain sawAlways use common sense Machine′s safety equipment Personal protective equipmentChain brake and front hand guard General Safety Precautions Throttle lockout Chain catcherRight hand guard Vibration damping systemStop switch Cutting equipmentMufﬂer General rulesCutting equipment designed to reduce kickback BarChain Injuries Some terms that describe the bar and chainSharpening your chain and adjusting depth gauge setting General information on sharpening cutting teethTensioning the chain Lubricating cutting equipment Which could lead to serious, even fatal injuries Chain oilFilling with chain oil Checking chain lubricationChain drive sprocket Needle bearing lubricationChecking wear on cutting equipment Assembly Fitting the bar and chainFitting a spike bumper Protect your hands from injuryFuel Handling FuelFuel safety FuellingTransport and storage Long-term storageStarting and Stopping Starting and stoppingCold engine Warm engineStopping Basic safety rules Working TechniquesBefore use General working instructionsGeneral rules Basic cutting technique TermsLimbing Tree felling technique Safe distanceFelling direction Clearing the trunk and preparing your retreatDirectional cuts Felling cutGeneral advice Freeing a tree that has fallen badlyFreeing a trapped tree Cutting trees and branches that are in tensionHow to avoid kickback What is kickback?Cutting the trunk into logs Maintenance Carburettor adjustmentGeneral Correctly adjusted carburettor High speed jet HChecking brake band wear Checking the front hand guardChecking the inertia brake release ImmediatelyMufﬂer Starter Changing a broken or worn starter cordTensioning the recoil spring Changing a broken recoil springAir ﬁlter Spark plugLubricating the bar tip sprocket Must always be replacedAdjustment of the oil pump Dust Free centrifugal cleaningRunning when making adjustments Needle bearing lubricationTemperature 0C or colder Winter useFitting the winterising kit Maintenance schedule Daily maintenance Weekly maintenance Monthly maintenanceTechnical Data Technical dataBar and chain combinations Saw chain ﬁling and ﬁle gauges EC-declaration of conformityApplies to Europe only EN ISO 12100-22003, Cispr 122005, EN ISOLimited Warranty Limited warranty1151332-26