Bolens BL250 Service Manual

Page of 80
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INTRODUCTION
THANK YOU
Thank you for buying this quality product. This modern
outdoor power tool will provide many hours of useful service.
You will find it to be a great labor-saving device. This
operator’s manual provides you with easy-to-understand
operating instructions. Read the whole manual and follow all
the instructions to keep your new outdoor power tool in top
operating condition.
PRODUCT REFERENCES, ILLUSTRATIONS AND
SPECIFICATIONS 
All information, illustrations, and specifications in this manual
are based on the latest product information available at the
time of printing. We reserve the right to make changes at any
time without notice.
Bump Head™ is a trademark of MTD SOUTHWEST INC. 
SplitLine™ is a trademark of MTD SOUTHWEST INC.
Copyright ©2004 MTD SOUTHWEST INC, All Rights Reserved.
SERVICE INFORMATION
Service on this unit both within and after the warranty period
should be performed only by an authorized and approved
service dealer. 
For service call 1-800-520-5520 to obtain a list of authorized
service dealers near you.
DO NOT RETURN THE UNIT TO THE RETAILER.  PROOF OF
PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE.
Before beginning, locate the unit’s model plate. It lists the
model and serial numbers of your unit. Refer to the sample plate
below and copy the information for future reference.
S/N :
ITEM :
MODEL :
Copy the model / parent part
number here:
Copy the serial number here:
Make sure you carefully read and understand this manual before
starting or operating this equipment.
THIS PRODUCT IS COVERED BY ONE OR MORE U.S. PATENTS.
OTHER PATENTS PENDING. 
WARNING
TABLE OF CONTENTS
Service Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Rules for Safe Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Know Your Unit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Assembly Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Oil and Fuel Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Starting/Stopping Instructions  . . . . . . . . . . . . . . . . . . . . . . .11
Operating Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Maintenance and Repair Instructions  . . . . . . . . . . . . . . . . .14
Cleaning and Storage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Troubleshooting Chart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Warranty Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Parts List  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inside Back Coverr
SPARK ARRESTOR NOTE
NOTE: For users on U.S. Forest Land and in the states of
California, Maine, Oregon, and Washington. 
All U.S. Forest
Land and the state of California (Public Resources Codes 4442
and 4443), Oregon, and Washington require by law that cer-
tain internal combustion engines operated on forest brush
and/or grass-covered areas be equipped with a spark
arrestor, maintained in effective working order, or the engine
be constructed, equipped, and maintained for the prevention
of fire. Check with your state or local authorities for regula-
tions pertaining to these requirements. Failure to follow
these requirements could subject you to liability or a fine.
This unit is factory equipped with a spark arrestor. If it
requires replacement, ask your LOCAL SERVICE DEALER to
install the Accessory Part #182747 Spark Arrestor.
THE ENGINE EXHAUST FROM THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE
OF CALIFORNIA TO CAUSE CANCER, BIRTH
DEFECTS, OR OTHER REPRODUCTIVE HARM
.
CALIFORNIA PROPOSITION 65 WARNING