Makita DC18RD - Saw Chain Filing and Cleaning

16 ENGLISH
30
30
55
55
— The sharpening angle of 30° must be the same on
all cutters. Different cutter angles cause the chain
to run roughly and unevenly, accelerate wear, and
lead to chain breaks.
— Useasuitableroundlesothatthepropersharp-
ening angle is kept against the teeth.
• Chain blade 90PX : 55°
• Chain blade 91PX : 55°
File and le guiding
— Useaspecialroundle(optionalaccessory)for
saw chains to sharpen the chain. Normal round
lesarenotsuitable.
— Diameteroftheroundleforeachsawchainisas
follows:
• Chainblade90PX:4.5mm(3/16″)
• Chainblade91PX:4.0mm(5/32″)
— Theleshouldonlyengagethecutteronthefor-
wardstroke.Lifttheleoffthecutteronthereturn
stroke.
— Sharpentheshortestcutterrst.Thenthelength
of this shortest cutter becomes the standard for all
other cutters on the saw chain.
— Guidetheleasshowninthegure.
1
2
►1. File 2. Saw chain
— Thelecanbeguidedmoreeasilyifaleholder
(optionalaccessory)isemployed.Theleholder
has markings for the correct sharpening angle of
30° (align the markings parallel to the saw chain)
and limits the depth of penetration (to 4/5 of the
lediameter).
30
1/5
1
►1. File holder
— After sharpening the chain, check the height of the
depth gauge using the chain gauge tool (optional
accessory).
— Removeanyprojectingmaterial,howeversmall,
withaspecialatle(optionalaccessory).
— Round off the front of the depth gauge again.
Cleaning the guide bar
Chips and sawdust will build up in the guide bar groove.
Theymayclogthebargrooveandimpairtheoilow.
Clean out the chips and sawdust every time when you
sharpen or replace the saw chain.