
INTRODUCTION
During a considerable period of time, Koyker Manufacturing Company of Lennox, South Dakota, made a
study of the backhoe industry and concluded that the person needs a backhoe that provides quality,
dependability, few parts, ruggedness, good delivery, and ease of maintenance, all at a fair price. The
KB660 backhoe has achieved these goals. With proper care and handling, it will give many years of good
service in normal operations.
Please be sure to follow the manual for proper care instructions.
TO THE PURCHASER
You have purchased an excellent product. With proper care and use, it will give you years of good safe
service. Use only KOYKER or KOYKER approved parts in the general maintenance and repair of your
equipment. Please fill out ownership registration card as soon as possible.
Should you have any questions, comments, improvements, or suggestions regarding the contents of the
manual provided, please contact Koyker Manufacturing Company (800-456-1107 or E-mail
[email protected]).
We care about your safety!
Remember ALL safety decals are no charge from the factory. Please replace all safety decals if
damaged or missing. Your safety is important to us.
Page 1
Summary of Contents for KB660
Page 8: ...SAFETY DECALS Page 6 ...
Page 20: ...HYDRAULIC SYSTEM PARTS DIAGRAM Page 18 AB CD EF GH IJ KL MN ...
Page 22: ...KOYKER KB660 VALVE PARTS DIAGRAM Page 20 NOTE ORFICE ORIENTATION ...
Page 25: ...KOYKER KB660 MAIN FRAME PARTS DIAGRAM Page 23 3 6 ...
Page 27: ...KOYKER KB660 BACKHOE ARM PARTS DIAGRAM Page 25 K B 6 6 0 ...
Page 33: ...PTO HYDRUALIC DIAGRAM 750112 Page 25 Page 31 ...