ROOTS RHINO RD 160, Owner Manual & Illustrated Parts List

Page: 67 / 164

67
TROUBLESHOOTING
TROUBLESHOOTING CHART
Problem Cause Remedy
Hydraulic system problem:
Control valve
Gear pump
Li cylinder
Relief valve
Line to cylinder leak Tighten fi ngs or replace hose
Piston seals leaking Replace seals
Bent pis on rod Replace cylinder rod
Dirt hopper load too heavy Dump frequently
Hydraulic system problem:
Control valve
Gear pump
Li cylinder
Relief valve
Foreign ma er in spool bore Remove spool and clean
Valve seals leaking Replace seals
O-Ring damaged Replace O-Ring
Relief valve stuck Replace relief valve
Motor leaking Replace seals/gaskets
Output sha malfunc on Replace output sha
Pump leak Replace seals or pump
Gears worn out Rebuild pump
Relief valve stuck Clean or repalce
Low oil supply Top up oil
Clogged oil filter Clean filter
Incorrect oil Use recommended oil
Damage due to entry of air into the hydraulic system
Maintain correct level in hydraulic tank. Keep all hose
fi ngs ght.
Hydraulic motor failure
Refer Hydraulic System problems in this sec on
Refer Hydraulic System problems in this sec on
Hydralic gear pump failure
Hydralic gear pump failure
Dirt hopper does not raise or
lower
Dirt hopper li cylinder
failure
Dirt hopper does not rotate or
rotates slowly
Hydraulic control valve failure