DR Power Towable Backhoe - Manual (Page 23)

CONTACT US AT www.DRpower.com 23
Chapter 5: Troubleshooting
Most problems are easy to fix. Consult the Troubleshooting Table below for common problems and their solutions. If you
continue to experience problems, contact us at www.DRpower.com or call toll-free 1-800-DR-OWNER (376-9637) for support.
Troubleshooting Table
S YMPTOM P OSSIBLE C AUSE
Backhoe fails to lift or
swing. ⇒ Low hydraulic fluid supply; Level the Tank and add fluid.
⇒ Broken hydraulic line; Check for leaks, replace line.
⇒ Bent piston rod; Replace cylinder.
⇒ Pump damaged or worn; Replace pump.
Backhoe lifting or
swinging too slowly. ⇒ Engine speed too low; Open throttle
⇒ Cold hydraulic fluid; Warm fluid with engine at idle.
⇒ Pinched supply hose; Replace hose, route to prevent kinking or pinching.
⇒ Scored or bent Cylinder; Replace cylinder.
⇒ Pump damaged or worn; Replace pump.
Backhoe fails to hold up
the load.
NOTE: All loads will
settle down over a period
of time. This is normal.
⇒ Broken hydraulic lines; Check for leaks and replace line.
⇒ Scored or bent Cylinders; Replace cylinders.
Hydraulic Fluid Heating. ⇒ Dirty hydraulic fluid; Drain fluid and refill.
⇒ Control valve handle held open too long; Return control valve handle to neutral position when not in
use.
⇒ Engine running too fast; Reduce throttle.
⇒ Damaged hydraulic lines; Replace damaged lines.
External leakage. ⇒ Backhoe not level; Level Backhoe
⇒ Fittings loose; Tighten Fittings.
⇒ Damaged O-ring on adapter; Replace O-ring.
⇒ Broken hydraulic line; Check for leaks and replace line.
⇒ Cylinder seals damaged; Replace cylinder.
Swing cylinder
malfunctioning.
⇒ Needle Valve not adjusted properly; Contact us at www.DRpower.com.
Control valve sticking or
working hard. ⇒ Dirty hydraulic fluid; Drain fluid and refill.
⇒ Control Valve Faulty; Replace Control Valve.
Spongy or jerking action
of cylinders and/or very
noisy pump action. ⇒ Low hydraulic fluid supply; Add fluid.
⇒ Cold hydraulic fluid too stiff; Use recommended fluid.
⇒ Air in system; Purge system of air by operating machine at maximum hydraulic fluid flow and through
full movements.
⇒ Pinched suction line to pump; Replace hose, rout to prevent kinking or pinching.
Center the boom. Retract the boom, crowd arm and bucket. Install the boom hitch pins and lynch pins to lock the boom in place.
Shut down the engine, remove the spark plug wire and wait 5 minutes before performing any maintenance procedure or inspection
on the backhoe.