Zenoah EXZ2500S-BC, EXZ2600DL manual Maintenance Chart,  34 

9. Maintenance

Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual.

■MAINTENANCE CHART

				every	every	every
				25	50	100
	system/compornent	procedure	before	hours	hours	hours	note
			use	after	after	after
	fuel leaks, fuel spillage	wipe out	✔
	fuel tank, air filter, fuel filter	inspect/clean	✔	✔			replace, if necessary
ENGINE	idle adjusting screw	see ■ADJUSTING	✔				replace carburetor
		IDLING SPEED (p.23)					if necessary
	spark plug	clean and readjust			✔		GAP: .025in(0.6~0.7mm)
		plug gap					replace, if necessary
	cylinder fins, intake air cooling vent	clean		✔
	muffler, spark arrester, cylinder exhaust port	clean			✔
	throttle lever, ignition switch	check operation	✔
	cutting parts	replace if	✔				EX-BC, EX-LRT,
SHAFT		something's wrong					EX-HE
	gear case	grease		✔
	screws/nuts/bolts	tighten/replace	✔			✔	not adjusting screws
	debris guard	make sure to attach	✔				EX-BC, EX-HE
UNIT	oiling port	clean	✔				EX-PS only
	guide bar	clean	✔				EX-PS only
CUTTING
	sprocket	inspect/replace			✔		EX-PS only
	saw chain	inspect/sharp	✔				EX-PS only

34 