Echo 2CS-450 User Manual

11

CS-450

Bolt (A)

Dimple (D)

Recess (E)

Front hole (C)

Rear hole (B)

Nut (F)

Guide bar

Kick Guard

Brake connector

Clutch cover

Brake lever

(Front hand guard)

Two nuts

The machine may be delivered with guide bar, 

tip guard, and saw chain separated. Install 

guide bar, tip guard, and saw chain as follows.

Tools Needed: Two 11 mm (7/16 in.) Wrenches.

1. Install bolt (A) in 

rear hole (B) of Kick Guard

 

and through front hole (C) in guide bar.

2. 

IMPORTANT: Dimple (D) in Kick Guard

 must 

engage recess (E) in guide bar.

3. Tighten nut (F) and bolt (A) using 11 mm (7/16 

in.) wrenches until snug. Make certain Kick 

Guard

 is flush against guide bar.

4. Tighten nut (F) 1/8 additional turn.

5. Check to make certain Kick Guard

 is tight on 

guide bar.

• Move the chain brake lever (Front hand guard) 

fully rearward to remove or install the clutch 

cover to chain saw.

• Align the brake connector of the clutch cover to 

the groove on the side of the brake lever (Front 

hand guard). 

1. Loosen air cleaner cover knob and remove air 

cleaner cover.

2. Remove spark plug lead. 
3. Remove two clutch cover nuts and remove 

clutch cover.

4. Remove bar and saw chain if necessary. See 

“Maintenance and Care” section for guide bar/

saw chain maintenance procedures.

5. For initial setup, install the spiked bumper on the 

front of machine with two 5 × 12 mm bolts.

Spiked bumper

Two bolts 5 × 12 mm

  Using improper replacement components or remov-

ing safety devices may result in serious or fatal 

injury.