PB-655, PB-755
21-63G-00
1
INTRODUCTION
We are constantly working on technical
improvement of our products. For this reason,
technical data, equipment and design are
subject to change without notice. All
specifications and directions in this SERVICE
DATA are based on the latest products
i n f o r m a t i o n a v a i l a b l e a t t h e t i m e o f
publication. ECHO SERVICE MANUAL Ord.
No. 403-12 contains lots of information for
servicing these models.
2
CONTENTS
page
1 SERVICE INFORMATION .............................
2
1-1 Specification ............................................... 2
1-2 Technical data ............................................ 3
1-3 Torque limits ............................................... 3
1-4 Special repairing materials ......................... 4
1-5 Service limits .............................................. 5
1-6 Special tools ............................................... 6
2 CARBURETTOR ADJUSTMENT PROCEDURE .
7
2-1 General adjusting rules .............................. 7
2-2 Idle adjust screw, idle mixture needle and hi
speed (H) mixture needle initial settings ........... 7
2-3 Adjusting carburettor .................................. 8
Reference No.
21-63G-00
I S S U E D : 2 0 0 7 0 5