RedMax SGCZ2500S manual  17 

7. Operation

OP5

.04 in

(1~2mm) (1)

OP6

(1)

OP7

engine while pulling the throttle lever.

■ADJUSTING THROTTLE CABLE

•The normal play is 1 or 2mm when measured at the carburetor side end. Readjust with the cable adjuster as required. (OP5)

(1) cable adjuster

■ADJUSTING IDLING SPEED (OP6)

1.When the engine tends stop frequently at idling mode, turn the adjusting screw clockwise.

2.When the cutting head keeps rotating after

releasing the trigger, turn the adjusting screw counter-clockwise.

(1) idle adjusting screw

NOTE

•Warm up the engine before adjusting the idling speed.

■ADJUSTING THE MAXIMUM SPEED

•The screw at the throttle lever is for adjusting the maximum rpm. (OP7)

•Turning the screw crock-wise, the rpm becomes down, the otherwise, the rpm becomes up. (STANDARD OPERATION SPEED: 8000~9500 rpm)

Running engine with faster engine speed than 9500 rpm may damage the engine, slower engine speed than 8000 rpm may cause of the poor cutting ability.

(1) adjust screw (2) down (3) up

■USAGE

This machine does cutting not by a rotary cutter like conventional trimmers but by a pair of special blades, each upper blade and lower blade oscillate opposite direction alternately within a limited angle at a speed of approximately 1/30 of conventional trimmers.

This unique mechanism brings you many benefits like the following:

1.Since the blade does not cause grass chips and pebbles to the thrown around, you may use less care about your clothing or surroundings.

2.Should the blade hit a rigid object like stones, trees or steel poles during operation, it does not produce a bounce motion that can cause loss of

17 