Troy-Bilt 14066 - Manual (Page 35)

TROUBLE SHOOTIHQ
Aeration of Hydraulic
Fluid (generally indi­
cated by foamy
appearance of fluid)
POSSIBLE CAUSE
Engine R.P.M. too siow.
Excessive Load - Materia!
weight exceeds specified
Loader capacity.
Relief Vaive setting below
specifications.
Lift Cylinder Piston
Assembly Leakage.
Control Valve leaking
internally.
Hydraulic Pump defective.
Low Hydraulic Fluid Level
Air leaking into suction
side of hydraulic pump.
Hydraulic Fluid Foaming due to
improper hydraulic oil usage.
CORRHCTir^l
Increase Engirse I4-.
Reduce load.
Check Relief Valir« Setting
as described under Relief
Valve Test.
Check cylinders for leakage
as described in Service
Section under Cylinder
Leakage Tests.
Replace Control Valve and
recheck operation.
Refer to “Hydraulic Pump
Capacity inadequate”.
Check and refill Hydraulic
System to proper level.See
Lubrication and Maintenance
Section.
Check for loose or defective
connections between reservoir
and hydraulic pump.
Replace Hydraulic Fluid and
Filter,
System Relief Valve
Squeals Cold Hydraulic Fluid.
Excessive Load in Bucket.
Weight exceeds specified
Loader capacity.
Relief Valve Setting below
specifications.
Hydraulic hose, tubeline or
Quick Disconnect Coupler
Restriction.
Allow hydraulic fluid to warm
up to operating temperature.
Reduce loads.
Check Relief Valve Setting
as described under Relief
Valve Test.
Check for evidence of re­
striction in hydraulic oil
flow. Repair or replace
defective component(s).
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