4
CS-520
TO AVOID KICKBACK
1. Hold the chain saw firmly with both
hands.
2. Don’t let the nose of the guide
bar contact any obstruction.
3. Tip contact may suddenly move the
guide bar upward and backward,
which may cause serious injury.
Part Number 890191-30131
Carburetor adjustment
- Idle speed
Carburetor adjustment
- High speed mixture
Carefully read the operator’s
manual
Wear eyes, ears and head
protection
Carburetor adjustment
- Low speed mixture
Oil and gasoline mixture
Symbol form/shape Symbol description/application Symbol form/shape Symbol description/application
Chain oiler adjustmentChain brake operation
Chain oil pump
Chain oil fill
DECALS
Locate this safety decal on your unit. The complete
unit illustration found in the “NOMENCLATURE OF
PARTS” section will help you locate them.
Make sure the decal is legible and that you
understand and follow the instructions on it. If a
decal cannot be read, a new one can be ordered
from your ECHO dealer.
WARNING
Chain brake must be unlocked before removing or installing clutch
cover. Improper cover installation can result in serious injury and
cause severe damage to saw.
El freno de la cadena debe ser bloqueado antes de remover o de instalar
la cubierta del embrague. La instalación incorrecta de la cubierta
puede dar lugar a lesión seria y causar daño severo a la sierra.
Part Number X505-002040
Emergency stop
Choke control “Cold Start”
position (choke closed)
STOP
SYMBOL FORM
Part Number X503-005440
WARNING!! Read and follow all safety
precaution in the instruction manual.
Failure to follow instructions could
result in serious personal injury.
CS-520
Part Number X524-001650
REPLACEMENT BAR AND CHAIN
GUIDE BAR* CHAIN*
PART NO. TYPE LINKS
16” 16A0MD3366 OREGON 95VP 66
18” 18A0MD3372 OREGON 95VP 72
20” 20A0MD3378 OREGON 95VP 78
*Or equivalent
Note: There may be other replacement
components for achieving kickback
protection. For details, please refer
to the chain and bar combination
sheet shown in the instruction manual.
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