RedMax SGCZ2500S manual Maintenance Chart, Blade Maintenance, To Remove Blades MA1, 19 

8. Maintenance

■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	✔
E
		fuel tank, air filter, fuel filter	inspect/clean	✔	✔			replace, if necessary
N
		idle adjusting screw	see ■ADJUSTING	✔				replace carburetor
G			IDLING SPEED (p.17)					if necessary
I		spark plug	clean and readjust			✔		GAP: .025in(0.6~0.7mm)
N			plug gap					replace, if necessary
E		cylinder fins, intake air cooling vent	clean		✔
		muffler, spark arrester, cylinder exhaust port	clean			✔
S		throttle lever, ignition switch	check operation	✔
	cutting parts		replace if	✔
H
			something's wrong
A
	debris guard	make sure to attach	✔
F
	gear case / cutter case	grease		✔
T
	screws/nuts/bolts	tighten/replace	✔			✔	not adjusting screws

■BLADE MAINTENANCE

MA1

WARNING

Use protective gloves whenever inspecting, removing, sharpening, and installing the blade.

•Wipe off dust and dirt attached to the blade, and oil it after every use.

•As the extent of wear differs by each cutter depending on use conditions, rotate the blade position at intervals.

To Remove Blades: (MA1)

1.Turn over the machine and remove the bottom cover by removing the four cross-slotted screws.

2.Loosen the four socket screws and remove the lower blade.

3.Loosen the four socket screws and remove the upper blade.

(1) Upper blade (2) Lower blade (3) Bottom cover

To Install Blades:

The upper and lower blades are interchangeable. When fastening the blade mounting screws, torque them uniformly (Torque: 100 to 130 in-lbs)(Torque: 11.3 ~ 14.8 N.m.).

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