Installing guide bar and saw chain – RedMax GZ4000 User Manual

Page 7

US-7

GZ4000

U
S

6. Installing guide bar and saw chain

■ A standard saw unit package

contains the items as illustrated.
(F1)

(1) Power unit
(2) Guide bar
(3) Saw chain
(4) Plug wrench
(5) Screwdriver for carburetor

adjustment

Open the box and install the guide bar
and the saw chain on the power unit as
follows:

The saw chain has very sharp edges.
Use thick protective gloves for safety.

1. Pull the guard towards the front handle

to check that the chain brake is not
engaged.

2. Loosen the nuts and remove the chain

cover.

3. Gear the chain to the sprocket and,

while fitting the saw chain around the
guide bar, mount the guide bar to the
power unit. Adjust the position of the
chain tensioner. (F2)

(1) Tensioner nut
(2) Chain cover

Pay attention to the correct direction of
the saw chain. (F3)

(1) Moving Direction

4. Fit the chain cover to the power unit

and fasten the nuts to finger tightness.

5. While holding up the tip of the bar,

adjust the chain tension by turning the
tensioner screw until the tie straps just
touch the bottom side of the bar rail.
(F4)

6. Tighten the nuts securely with the bar

tip held up (12~15 N·m). Then check
the chain for smooth rotation and
proper tension while moving it by hand.
If necessary, readjust with the chain
cover loose.

7. Tighten the tensioner screw.

(2) Loosen
(3) Tighten

NOTE

WARNING

(4) Tensioner screw
(5) Lift up

A new chain will expand its length in the
beginning of use. Check and readjust the
tension frequently as a loose chain can
easily derail or cause rapid wear of itseif
and the guide bar.

NOTE