6
Tools Included
n
Spark plug/13 mm socket wrench
(Scrench)
WARNING!
Do not make unauthorized
modifications to this saw,
guide bar, or chain!
IMPORTANT!
The operational procedures described
in this manual are intended to help
you get the most from this unit and
also to protect you and others from
harm. These procedures are general
guidelines only, and are not intended to
replace any additional safety rules or
laws that may be in force in your area.
If you have any questions regarding
your Shindaiwa chain saw, or if you
do not understand something in this
manual, your Shindaiwa dealer will
be glad to assist you. For additional
information, you may also contact
Shindaiwa Inc. at the address printed
on the back of this manual.
Unit Description
IMPORTANT!
The terms “left”, “left-hand”, and
“LH”; “right”, “right-hand”, and “RH”;
“front” and “rear” refer to directions as
viewed by the operator during normal
operation.
Using the accompanying illustrations as
a guide, familiarize yourself with your
machine and its various components.
Brake Lever
Hand Guard
Guide Bar
Chain
Bar and Chain
Oil Filler Cap
Front Handle
Starter Handle
Fuel Cap
Throttle
Trigger
Air Cleaner Cover
Ignition
Switch
Choke
Throttle
Lockout
Muffler
Bar Nuts
Clutch Cover
Rear Hand
Guard
Rear Handle
Chain Catcher
Spike
Understanding your machine helps
ensure top performance, long service
life, and safer operation.
Specifications
Model Name .................................................................... 446s
Displacement
......................................................
44.6 cm
3
Bore X Stroke ................................................... 41.5 x 33 mm
Engine Type ....................................
2-cycle, vertical cylinder,
Air-cooled
Cooling System ......................................................
Forced Air
Carburetor .............................................................
Diaphragm
Fuel ............................................................... Gasoline 2-cycle
mixing oil mixture 50:1
Fuel Tank Capacity ......................................18.2 oz (540 ml)
Oil Tank Capacity ...........................................9.1 oz (270 ml)
Recommended Bar Size ................16” (40 cm), 18” (45 cm)
Recommended Bar Type ........................Sprocket Nose Bar
Recommended
Chain Type......
Oregon type 33SL, pitch 0.325”, gauge 0.050”
Number of Rim Tooth ........................................................... 7
Specified Pitch of Drive Sprocket ................................0.325”
Starting ............................................................. Recoil Starter
Ignition ........................................ Electronic ignition system
Spark Plug ...................................................... NGK BPMR7A
Power Transmission .............Automatic Centrifugal Clutch
Handle ...............................................................Anti-vibration
Chain Lubrication ................ Automatic adjustable flow rate
Weight (less bar/chain) ................................. 9.9 lb (4.5 kg)
WARNING!
Replacement chain for this
saw must meet applicable
ANSI B175.1 kickback performance
requirements and/or be designated
as “low kickback chain” per ANSI
B175.1.1-2000 standards.
*Specifications subject to change without notice.
RECOMMENDED BAR AND CHAIN COMBINATIONS
CHAIN TYPE:
PART #:
GUIDE BAR:
PART #:
Oregon
®
Oregon
®
33SL (16”)
33SL (18”)
33SL0-66X
33SL0-72X
16” Pro-Lite
18” Pro-Lite
40085-16
38490-18
