13
CS-520
OIL TANK CAP
FUEL TANK CAP
CAP INDICATION
Fuel/oil tanks are indicated by the following
illustrations.
CHAIN LUBRICANT
Proper lubrication of the chain while in operation
reduces friction between the chain and the guide
bar to a minimum and assures a longer service life.
• Use bar and chain oil of high quality for this
purpose.
• Do not use used or reclaimed oil to avoid various
oiler problems.
• Use ECHO bar and chain oil.
• When ECHO bar and chain oil is not available:
Use motor oil, etc.
• Use bar and chain oil of the following grades:
SAE No. 30 .......in summer
SAE No. 10 .......in winter or when cutting
resinous trees.
• When refueling, also refill chain oil.
OPERATION
WARNING
• After choke control knob is pulled and then
knob is returned to original position,
throttle remains a little open (latch
condition).
• If engine is started in this latch condition,
chain starts to turn. Do not start engine
before chain brake is locked.
CAUTION
• After starting the engine, squeeze throttle
trigger slightly to release throttle latch and
pull front hand guard towards the operator
immediately.
(Chain brake unlocked position)
• Never use throttle latch for cutting.
• Use the chain brake only in starting or in
emergencies.
Chain brake
Starter handle
Unlock chain brake
Ignition switch
Start/Run
Choke
Throttle trigger
lockout
Throttle trigger
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