beautypg.com

Echo PRO ATTACHMENT SERIES PAS-225 User Manual

Page 19

background image

P

ro

A

ttAchment

S

erieS

tm

o

PerAtor

'

S

m

AnuAl

19

Exhaust Port Cleaning

Level 2.

Parts Required: As needed: Heat Shield

1. Remove spark plug lead from spark plug, and remove engine cover.

2. Place piston at top dead center. Remove muffler (A) and heat shield

(B).

3. Use a wood or plastic scraping tool to clean deposits from cylinder

exhaust port.

IMPORTANT

Never use a metal tool to scrape carbon from the exhaust port.

Do not scratch the cylinder or piston when cleaning the exhaust

port. Do not allow carbon particles to enter the cylinder.

4. Inspect heat shield, and replace if damaged.

5. Install heat shield and muffler.

6. Tighten muffler mounting bolts (or nuts) to 80-95 in•lbf

(90-110 kgf•cm).

7. Install engine cover and attach spark plug lead.

8. Start engine, and warm to operating temperature.

9. Stop engine, and re-tighten mounting bolts (or nuts) to specifica-

tions.

1. Remove engine cover (B).

2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from

entering cylinder.

3. Remove spark arrestor screen cover (C) (D), gasket (E), and screen

(F), from muffler body.

4. Clean carbon deposits from muffler components.

NOTE

When cleaning carbon deposit, be careful not to damage the cata-

lytic element inside muffler.

5. Replace screen if it is cracked, plugged, or has holes burned

through.

6. Assemble components in reverse order.

c

e

F

A

B

d

B