Oregon 59-Series Who Should Use Square-Groundcutting Chains?, Chain Replacement Parts, 40-50˚

WHO SHOULD USE SQUARE-GROUND CUTTING CHAINS?

Square-ground chains are intended for professional users who cut larger wood with guide bars 30” and longer. The advantage of square-ground chain is its fast-cutting performance. The disadvantage is that it is

more difficult to sharpen and less forgiving of filing errors than the round-ground chains used by most woodcutters. But for professional users cutting larger wood, square-ground chains are often preferred.

FILING INSTRUCTIONS FOR 58CJ/CL AND 59CJ/CK/CL CHAINS

IMPORTANT NOTE: Several shapes of files can be used to sharpen square-ground chain. But whichever shape you prefer, the key to sharpening square- ground chain is file positioning. The file will sharpen the top plate and side plate simultaneously. This creates a line (A). You must position your file so this line intersects the cutter’s “Working Corner” (B), or your square-ground chain will not perform properly.

CORRECT FILE POSITION FILE IS TOO HIGH FILE IS TOO LOW

Line A intersects corner B

DEPTH-GAUGE SETTING:	TOP-PLATE CUTTING ANGLE:	SIDE-PLATE ANGLE:	TOP-PLATE FILING ANGLE:
*See warning below
	40-50˚	85˚
.025"
			15˚
FILE TYPE		DEPTH GAUGE TOOL, .025”	FLAT FILE
Sharpening square-ground chain requires a specialized		31941 (10-PK.)	12211 (12-PK.)
type of file, available from your local saw-chain dealer

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 ramped shape after lowering

Oregon® .404”-pitch Super Guard® square-ground chains (58CJ/CL and 59CJ/CK/CL) may be capable of kickback

that could result in serious injury to the saw operator or bystanders. Although these chains have features designed to reduce kickback energy, they

are NOT low-kickback chains. Do not use Oregon® 58CJ/CL or 59CJ/CK/CL unless you have experience and specialized training for dealing with kickback. Saw chain with lower kickback potential is available.

CHAIN REPLACEMENT PARTS

	LEFT-HAND	RIGHT-HAND		PRESET
CHAIN TYPE	CUTTER	CUTTER	TIE STRAP	TIE STRAP	DRIVE LINK
58CL, 58CJ	P108815	P108816	P23825	P23868	P65514
59CL, 59CJ, 59CK	P108815	P108816	P23825	P23868	P65513

NOTE: Individual parts packages contain 25 pieces.

WHICH CUTTER SEQUENCE IS BEST, STANDARD OR SKIP?

WHICH TYPE OF CUTTING DO YOU DO?	THE CUTTER SEQUENCE TO USE:
I cut “non-fibrous” woods of average size, with guide bars up to	Standard sequence (58CL, 59CL)
approximately 28”
I cut fibrous woods, such as cedar or hemlock	Skip (58CJ, 59CJ) or Semi-skip (59CK)
I cut large wood, with long guide bars approximately 30” and longer	Skip (58CJ, 59CJ) or Semi-skip (59CK)

	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
Because every	IN CANADA: OREGON DISTRIBUTION LTD. 505 Edinburgh Rd. N., Guelph, Ontario, Canada N1H 6L4
cut counts	Phone: 519-822-6870	Fax: 519-822-4999	Printed in USA 59L F&B A107036 AA 0301