Oregon Chain Saw - Guide Bar Maintenance and Troubleshooting; Oregon Guide-Bar Maintenance; Basic Guide-Bar-Maintenance Tasks

Oregon
®
Bar Type
P OWER M ATCH
®
S YMMETRICAL S PROCKET -N OSE B AR
RN= Symmetrical replaceable sprocket-nose
GN=Symmetrical replaceable
sprocket-nose with Guard Mate
®
holes
R EDUCED W EIGHT P OWER M ATCH
®
B AR
RW= Symmetrical replaceable sprocket-nose
P OWER M ATCH
®
D OUBLE G UARD
®
S PROCKET -N OSE B AR
RG = Double Guard
®
replaceable sprocket-nose
GG= Double Guard
®
replaceable sprocket-nose
with Guard Mate
®
holes
O REGON
®
P RO S YMMETRICAL S PROCKET -N OSE B AR
PM= Symmetrical replaceable sprocket-nose
L ASER T IP S OLID -N OSE B AR
AT = Solid nose with laser-welded stellite tip
P RO -L ITE
®
L AMINATED S PROCKET -N OSE B AR
SL = Sprocket-nose
GL = Sprocket-nose with Guard Mate
®
holes
L ASER -L ITE
™
L AMINATED S OLID -N OSE B AR
LA = Solid nose with laser-welded stellite tip
P RO 91
®
S YMMETRICAL S PROCKET -N OSE B AR
SP = Symmetrical sprocket-nose
GP= Symmetrical sprocket-nose with
Guard Mate
®
holes
M ICRO -L ITE
™
L AMINATED S PROCKET -N OSE B AR
MP= Professional narrow-kerf laminated
sprocket-nose
ML= Narrow-kerf laminated sprocket-nose (90 or 95)
D OUBLE G UARD
®
C ONSUMER S PROCKET -N OSE B AR
PX = Double Guard
®
sprocket-nose (.325" and 3/8")
GD= Double Guard
®
sprocket-nose with
Guard Mate
®
holes (.325" and 3/8")
SD = Double Guard
®
sprocket-nose (25 and 91)
DG= Double Guard
®
sprocket-nose with
Guard Mate
®
holes (25 and 91)
74
Guide Bars
HERE’S HOW THE OREGON
®
SAW BAR PART
* 20 8 RN
Gauge
0=.050"
8=.058"
3=.063"
4=.043"
Length
in Inches
12"
14"
18"
20"
36"
(Etc.)
GG
UUAARRDD
MM
AATTEE
®
HH
OOLLEESS
These holes are
built into the
noses of certain
types of bars and
allow the attach-
ment of a Guard
Mate
®
tip guard
to help reduce the
risk of kickback.
25436_Txt_2005.qxd 9/24/2004 2:28 PM Page 74