beautypg.com

Adjusting engine idle speed – Shindaiwa EB8520 User Manual

Page 10

background image

24

Figure 15

Stop Button

Ignition Switch

OFF

EB8520

EB8520RT

10

Adjusting Engine Idle Speed

IMPORTANT!

A clean and unrestricted airflow is essen-

tial to your blower’s engine performance

and durability! Before attempting any

carburetor adjustments, inspect and clean

the engine air filter as described in the

maintenance section of this manual.

Idle Increase

Idle Decrease

Idle Adjustment

Screw

Figure 16

Place the unit on the ground and start

1.

the engine, then allow it to idle 2-3 min-

utes until warm.
If a tachometer is available, the engine

2.

idle speed should be final adjusted to

2,000 (±200) min

-1

. See Figure 16.

NOTE:

Carburetor fuel mixture adjustments are
preset at factory on units with emission
control systems and cannot be serviced

in the field.

IMPORTANT!

Blower tubes and the air cleaner must

be in place while adjusting engine idle!

Engine idle speed will also be affected if

the blower tubes are blocked or incor-

rectly installed!

Repeat the appropriate starting procedures

for warm or cold engine. If the engine

still will not start, follow the “Starting a

Flooded Engine” procedure.

Disconnect the spark plug lead, and

1.

remove the spark plug (see page 12 for

procedures).
If the spark plug is fouled or is soaked

2.

with fuel, clean or replace the plug as

required.

Cool the engine by allowing it to run at

1.

idle for 2–3 minutes.
Push and hold the Stop button down

2.

until the engine stops.

RT Model: Slide

the ignition switch towards the rear to

“O” (OFF). See Figure 15.

With the spark plug removed, open

3.

the choke, put the throttle lever in the

full throttle position, then clear excess

fuel from the combustion chamber by

cranking the engine several times.
Install and tighten the spark plug, and

4.

reconnect the spark plug lead.

Repeat the starting procedures for a

5.

warm engine.
If the engine still fails to start or fire,

6.

refer to the troubleshooting flow chart

at the end of this manual.

If The Engine Does Not Start

Starting A Flooded Engine

Starting the Engine (continued)

Stopping The Engine

This manual is related to the following products: