Koyker KB660, Owner'S Manual, Page: 2 / 44

CONTENTS
CONTENTS PAGE
Introduction ................................................................................................................................................1
SAFETY INFORMATION
Safety Alert Symbol ...................................................................................................................................2
Safety Information ................................................................................................................................... 3-5
Safety Decals .............................................................................................................................................6
OPERATING INSTRUCTIONS
Operation ................................................................................................................................................. 7-14
SERVICE AND MAINTENANCE
Backhoe Inspection, Service, and Maintenance .................................................................................... 15-17
Hydraulic Hose Parts Diagram ................................................................................................................18
Hydraulic Hose Part Schedule ..................................................................................................................19
Valve Parts Diagram .................................................................................................................................20
Valve Part Identification Schedule ...........................................................................................................21
In Line Filter Parts Diagram .....................................................................................................................22
Backhoe Main Frame Parts Diagram ........................................................................................................23
Backhoe Main Frame Parts Schedule .......................................................................................................24
Backhoe Arm Frame Parts Diagram .........................................................................................................25
Backhoe Arm Frame Parts Schedule ........................................................................................................26
Bucket Parts Diagram and Schedule .........................................................................................................27
Bucket Replacement Teeth Diagram and Schedule ..................................................................................28
3-Point Mount Diagram and Schedule ......................................................................................................29
Drawbar Stabilizer Diagram and Schedule ...............................................................................................30
PTO Hydraulic Diagram ...........................................................................................................................31
PTO Hydraulic Schedule ..........................................................................................................................32
Torsion Bar Diagram and Schedule ..........................................................................................................33
Hydraulic Information ..............................................................................................................................34
2” Cylinder Service Kit Schedule .............................................................................................................35
2 1/2” Cylinder Service Kit Schedule .......................................................................................................36
Hydraulic Cylinder Part Diagram .............................................................................................................37
Piston and Gland Service Diagram ...........................................................................................................38
LIMITED WARRANTY INFORMATION
Limited Warranty ................................................................................................................................... 39-41
TORQUE SPECIFICATIONS
Torque Specifications ...............................................................................................................................42