Oregon Scientific 91VG User manual
91VG .050”
10 in. to 18 in. (25 to 46 cm)
3/8”
Ramp-shaped
depth gauges on
each cutter
Bumper tie straps
CommercialOccasional
CHAIN PITCH AND GAUGE
KICKBACK-REDUCING FEATURES
PITCH
GAUGE
91VG F&B A107041 AA 0806
Standard sequence: 91VG
CUTTER SEQUENCE
91VG SAW CHAIN
RECOMMENDED SAW SIZES
RECOMMENDED TYPES OF USE
KICKBACK – ANSI CLASSIFICATION
91VG saw chain is a low kickback saw
chain. It met the kickback performance
requirements of ANSI B175.1 (USA),
and CSA Z62.3 (Canada) when tested
on a representative sample of chain-
saws. Its safety features significantly
reduce the hazard of kickback while
maintaining high cutting performance.
ALL CUTTING SAW CHAINS CAN
KICKBACK, which may result in severe
personal injury to the saw operator or
bystanders. Operate your saw safely.
Read all warnings in your chainsaw
operator’s manual.
Features Benefits
special shaped low-vibration heels
Less vibration than competitive chains•
Twin cutting corners offering outstanding
performance, durability and easy mainte-
nance
•
Ramp-shaped depth gauges The ramp-shape reduces kickback
energies without affecting performance
•
Sharpens with standard 5/32”
round file and file guide
Easy hand maintenance•
Oregon®91VG saw chain is specially designed to incorporate all the advan-
tages of our professional series in a consumer style, low-kickback saw
chain. 91VG is ideal for occasional users, but is also extremely well suited
for commercial cutters such as arborists and orchardists who prefer small-
size saws and lightweight low-profile 91-type saw chain that conforms to low
kickback performance requirements for the United States and Canada.
91VG is intended for use with electric
saws and smaller gasoline-powered
saws up to 2.5 cu. in. (41cc)
RECOMMENDED BAR LENGTHS
Bumper tie straps with slots Delivers low-kickback performance
Enhances chip flow
Reduces overall weight of saw chain
•
•
•
Vibe-Ban
™Reduces vibration 25% or more at the
saw handle
•
Help keep oil where it’s needed - on the
chain
Directs oil to the critical rivet flange/hole
interface
•
Lubriwell oil holes
™
LubriLink tie straps
™
Help carry oil around the full length of the
guide bar’s groove
Enhances lubrication of the bar nose
sprocket and bearings
Advanced grind geometry Improved out-of-box grind
Dramatic speed improvements in all
cutting modes
Extreme cutting efficiency, less feed
force required
•
•
•
•
•
•
•
•
Chamfer Chisel cutters with
™
TOP-PLATE FILE HANDLE DEPTH-GAUGE SETTING: FINISHED
FILING ANGLE: DOWN ANGLE: *See warning below CUTTER:
30˚
For more information on these and other Oregon®products, contact your authorized Oregon®distributor, or:
OREGON CUTTING SYSTEMS DIVISION, BLOUNT, INC. PO Box 22127 · Portland, OR, U.S.A. 97269-2127
Phone: 503-653-8881 Fax: 503-653-4201 Web: http://www.oregonchain.com
IN CANADA: OREGON DISTRIBUTION LTD. 505 Edinburgh Rd. N., Guelph, Ontario, Canada N1H 6L4
Phone: 519-822-6870 Fax: 519-822-4999
Printed in USA 91VG F&B A107041 AA 0806
*
*
Hand Filing Instructions OREGON 91VG
®
TOP-PLATE TOP-PLATE DEPTH-GAUGE SETTING: FINISHED
GRINDING ANGLE: SHARPNESS ANGLE: DOWN ANGLE: *See warning below CUTTER:
30˚
FILE SIZE: Use a 5/32” round file and file guide
Grinding Instructions OREGON
® 91VG
NOTE: Individual parts packages contain 25 pieces.
Chain Replacement Parts
Chain Type Left-hand Cutter Right-hand Cutter Tie Strap Preset Tie Strap Drive Link
91VG P21693 P21694 P24295 P25068 P21721
Maintenance Tools
File Size Assembled File
Guide
Round Files Depth Gauge
Tool, .025”
Flat File Bench Grinder
Wheel 5 3/4”
Mini Grinder
Wheel, 4 1/8”
5/32” 37534 (EA.) 70504 (12-PK.)
40458 (2-PK.)
22290 (10-PK.) 12211 (12-PK.) OR534-18 OR4125-18
GRINDING WHEEL THICKNESS: 1/8”
these
Oregon® 91VG saw chain is low-kickback saw chain. It met the
kickback performance requirements of ANSI B175.1 (US) and
CSA Z62.3 (Canada) when tested on a representative sample of chainsaws. Its safety features
significantly reduce the hazard of kickback while maintaining high-cutting performance.
ALL CUTTING SAW CHAIN CAN KICKBACK, which may result in severe injury to the saw
operator or bystanders. Operate your saw safely. Read and follow all warnings
in your chainsaw operator’s manual.
Failure to follow filing instructions can increase
the level of kickback which can result in severe
injury to the saw operator or bystanders.
Do not exceed the depth-gauge setting shown above
Always file depth gauges back to their original rounded or ramp
shape after lowering
.0˚
.0˚
.025”
.025”
50˚
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