Air Filter; Carburettor Adjustment - Echo PB-2155 Operator's Manual

AIR FILTER

Level 1.
Tools required: Cleaning brush, 25 mm or 50 mm medium bristle paint
brush.
Parts required: 90008 REPOWER AIR & FUEL FILTER KIT.
NOTE
Clean daily.
1. Close choke, remove wing nut, air cleaner cover and air filter.
2. Brush dust off filter.

CARBURETTOR ADJUSTMENT

Level 2.
Tools required: Screwdriver, tachometer.
Parts required: none.
NOTE
Do not adjust carburetor unless necessary. If you have difficultly,
see your ECHO dealer.
Adjusters
Idle Speed Adjuster (T)
Low Speed Mixture Adjuster (L)
High Speed Mixture Adjuster (H)
Before Adjustment
Check that:
- Air filter is clean and properly installed.
- Spark arrestor screen and exhaust port are free of carbon
- Blower pipes are installed
Initial Adjustment
1. With engine off, turn H adjuster anticlockwise to stop.
2. Turn L adjuster midway between stops.
3. Turn T adjuster until tip of adjuster just touches throttle plate;
then turn three turns clockwise.
-
GENERAL
Control throttle opening at idle.
Controls amount of fuel at low
speed and supplementary fuel for
smooth progression from idle to
high speed.
Controls amount of fuel at full
throttle
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PERATOR S ANUAL
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