Alamo BUSH HOG RMB 1660, Operator'S Manual

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OPERATION
RMB 1660 01/22 Operation Section 4-45
© 2022 Alamo Group Inc.
OPERA
T
ION
19. TROUBLESHOOTNG
Problem Possible Cause Remedy
Boom Breaks Back
Too Easily Work Port Relief Malfunction
or Failure
Test to confirm, Adjust or Replace as needed
Swing Cylinder Failure Test to Confirm, Rebuild or replace as needed
Cutting head "Plowing" in
Ground
Operator Error, Operator Training
Operator Travelling Too Fast Operator Error, Operator Training
Boom Drops When
Two Functions
Actuated Low Oil Level on Boom
Function System Fill oil and bleed system of air
Failed One way Flow
Restrictor in valve (Gravity Aided Functions Only) Confirm and
replace
Defective or damaged
Controller
Repair or Replace as needed
Incorrect Hose Size to
Cylinder(s)
Replace with proper OEM part
Defective or Damaged
Joystick Controller
Repair or Replace as required.
Boom Moves on Its
Own (Under Power w/
no function actuated)
Electronic Joystick
Models Solenoid Valves stuck due
to contamination
Failed O-Ring on Solenoid
Valves Repair or replace as required. Flush and fill
Hydraulic System
Replace the O-Ring with proper
replacement parts
Improper Wiring Confirm and Repair
Defective or Damaged
Control Module(s)
Defective or Damaged
Joystick
Replace the module(s)
Repair or replace as required
Boom Moves on Its
Own (Under Power w/
No function actuated)
Mechanical Joysticks
With Cables Connection at valve
Damaged or failed
Solenoid Valves stuck due
to contamination Repair or replace as required
Repair or replace as required. Flush
and fill Hydraulic System