Alamo MACHETE Product Service Manual page 147

POSSIBLE FAILURE / CAUSE & SOLUTION
Boom Breaks Back Too Easily:
back if tomuch resistance is meet for safety reason.
CAUSE:
SOLUTION:
CAUSE:
SOLUTION:
CAUSE:
SOLUTION:
CAUSE:
SOLUTION:
Boom Drops When Two
Functions Actuated:
CAUSE:
SOLUTION:
CAUSE:
SOLUTION:
CAUSE:
SOLUTION:
Machete (Service Manual) 04/04
© 2004 Alamo Group Inc.
Work Port Relief for Swing Cylinder Malfunction?
Test for Pressure required to Break Back the Boom. If Pressure is lower or higer
than Specified, Adjust or Replace Work Port Relief Valve.
Cutting Head Positioned Too Close To The Ground?
This is an Operational Problem, The Operator will be required to adjust the way
the unit is being run and raise the Head Up.
Operator Running Into Too Heavy Material or Traveling Too Fast?
This is an Operational Problem, The Operator will be required to adjust the way
the unit is being run and Adjust Operating procedures to eliminate this.
Inadequate Bracing?
This is a difficult subject, It is recommended that you consult with the factory
before making modifications of this type, Adding additional pieces may change
many components functions, the weight that would be added changes the
balance weight ratio. The Hydraulics ability to lift and even lower could be
affected. Adding weight is not recommended.
Low Oil Level in Tractor Hydraulic System?
Fill and Bleed all Cylinders (Run All Cylinders through thier Cycle), Then fill
Tractor Hydraulic Oil to Proper Level, Run Cylinders through thier Cycle again
and recheck Hydraulic Sump Oil Level again. If the Cylinders are not Filled then
Oil Level brought to Specs the Oil Level could be low during operation causing
damage to Tractor Hydraulic System.
Too Rapid Drop Of Boom? (Too Rapid Drop in Cylinder)
Restrictors damaged or removed, Check restrictors if they have them, Make
sure correct size Hoses are installed to cylinders. Repair or Replace as
needed.
Defective or Damaged Joy Stick Controller?
There are very few replaceable Parts in Joy Stick Controller, See the Repair
Section for Testing and repairing the Joystick. DO NOT Replace Joystick till all
Test have been performed to pin down the problem area. There are a number
of tests to locate problem area that can be used, these are listed through out
sections of the repair Manual as well as some listed in the Operators Manual.
Boom is designed to break
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