
SAFETY
Improper use of a backhoe can cause serious injury or death. The following safety precautions, and those
given on the tractor mount installation instructions, should be thoroughly understood before attempting to
operate this machine.
BEFORE OPERATING:
Carefully study and understand this manual, the specific tractor mount instructions, and the
attachment(s) manual's).
Prior to operation, inspect the backhoe for system leaks and damaged, missing, or malfunctioning
components in an effort to avoid the possibility of a dangerous failure involving structural members
or hydraulic system components.
Be certain any repairs necessary are completed prior to backhoe operation. Set the parking brake,
place the gear shift in neutral, turn off the tractor and remove the key.
Never operate or transport unit with covers or shields removed.
Never leave the tractor running unattended.
Completely familiarize yourself and others involved with the operation of the hydraulic control
valve before operating the backhoe.
Be certain all bystanders are clear of the machine and operation area prior to operation.
It may be necessary to add wheel ballast or front weights as recommended by the tractor
manufacturer to maintain stability of the machine to prevent tipping or upset which could result in
serious injury or death.
It is recommended that both front and rear wheel treads be set to the widest recommended width to
prevent tipping or upset which could result in serious injury or death.
Do not take passengers on the tractor or backhoe. There is no safe place for a passenger.
Use the handholds and step plates when getting on/off the tractor. Failure to do so could cause a
fall.
This backhoe is designed for light excavating, light commercial, or light grading and digging. It’s
design is NOT intended for industrial use.
DURING OPERATION:
Never operate the backhoe by standing up on, or beside the machine. Operate only from the
backhoe seat.
Page 3
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 ...