LS tractor XR3037H User Manual

TROUBLE SHOOTING
Hydraulic pump defective. Refer to "Hydraulic Pump Capacity Inadequate".
Inadequate lifting capacity
Bucket, Boom and
Dipperstick cylinder piston
assembly leakage.
Check cylinders for leakge. Repair as needed.
Control valve leaking
internally
Replace control valve and recheck operation.
Excessive load - material
weight exceeds specified
loader capacity.
Reduce Load.
Relief valve setting below
specifications.
Check and reset relief valve setting as needed.
Hydraulic Oil viscosity too
heavy or Incorrect oil
Check oil number and viscosity, Refill correct
hydraulic oil.
Slow or erratic move of
Cylinders (Noisy operation
of cylinders)
Engine R.P.M. too slow. Increase engine R.P.M.
Relief valve erratic or set
below specifications.
Check and reset relief valve. Setting as needed.
Control valve leaking
internally.(hypassing fluid
within valve).
Replace control valve and recheck operation.
Hydraulic hose or tubeline
restriction(hoses/tubline)
kinked or pinched.
Check hoses and tubelines for evidence of
restriction.
Boom, Dipperstick or Bucket
cylinder piston assembly
leakage.
Check cylinders for leakage. Repair as needed.
Aeration of hydraulic fluid Refer to "Aeration of Hydraulic Fluid".
Quick disconnect coupler
restriction or coupler "Flow
checks"
Check coupler connections. Repair or replace.
Excessive weight in bucket.
Material weight exceeds
maximum specified backhoe
capacity.
Reduce material load.
(Digging load)
Control valve linkage
binding/defective.
Check control valve linkage and repair if
worn/defective.
Cold hydraulic fluid.
Allow hydraulic system to warm up to operating
temperature.
Engine R.P.M. too
slow(hydraulic pump R.P.M.
too slow).
Increase engine speed to obtain satisfactory
backhoe operation.
PROBLEM POSSIBLE CAUSE CORRECTION
Low hydraulic fluid level. Check and replenish hydraulic fluid.
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LS tractor XR3037H Specifications

General

Brand	LS tractor
Model	XR3037H
Category	Tractor
Language	English