23
P
OWER
B
LOWER
O
PERATOR
'
S
M
ANUAL
EXHAUST
SYSTEM
Spark Arrestor Screen
Level 2.
Tools required: Cross Head Screwdriver, Pointed Wood Stick, Soft
metal brush,
Parts Required: Spark arrestor screen P/N 14586206720,
(2) Gaskets P/N 14586604261
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1.
Remove spark plug and engine cover (five screws).
2.
Remove spark arrestor cover (A), gasket (B) and spark arrestor
screen (C) from muffler. Replace screen if plugged with carbon
deposits.
3.
Install spark arrestor screen, gaskets, and cover.
4.
Install spark plug and engine cover.
CARBURETOR
ADJUSTMENT
-
GENERAL
Level 2.
Tools required: Screwdriver, tachometer (Echo P/N 99051130017)
Parts required: none.
NOTE
Do not adjust carburetor unless necessary. If you have difficultly,
see your ECHO dealer.
Adjustment Screws
Idle Speed (A)
Control throttle opening at idle.
Low (LO) Speed (B)
Controls amount of fuel at low speed and
supplementary fuel for smooth progression from
idle to high speed.
High (HI) Speed (C)
Controls amount of fuel at full throttle
A
B
C
