New Holland Workmaster 25S - Mechanical Service Brakes - Troubleshooting; Regulated;Low Pressure System - Troubleshooting

8-TROUBLESHOOTING
Problem
PossibleCauseCorrection
CarbonaccumulationonvalveseatSeeyourNEWHOLLANDdealerforser-
vice
Incorrectvalvegapadjustment
SeeyourNEWHOLLANDdealerforser-
vice
IncorrectfuelinjectiontimingSeeyourNEWHOLLANDdealerforser-
vice
LackoffuelsupplyCheckfuelsystemforrestriction
AirltercloggedCleanorreplaceairlter
Thecolorofexhaust
smokeiswhite
LowengineoperatingtemperatureAllowenginetoobtainhigheroperating
temperature
Engineburningengineoil
SeeyourNEWHOLLANDdealerforser-
vice
Enginecoolantenteringengineexhaust
SeeyourNEWHOLLANDdealerforser-
vice
Thecolorofexhaustgas
isblack.
AirltercloggedCleanorreplaceengineairlter
ExcessivefuelsupplySeeyourNEWHOLLANDdealerforser-
vice
FaultyfuelinjectorSeeyourNEWHOLLANDdealerforser-
vice
Instrumentpanelengine
oilpressureindicatorlight
is"ON"duringoperation.
Lackofengineoil
Addengineoilasneeded
Lowviscosityofengineoil
Replaceoilwithproperviscositytype
FaultypressureswitchReplaceswitch
EngineoilltercloggedReplacethelter
Instrumentpanelbattery
chargingindicatoris"ON"
duringoperation.
Badelectricalconnection
Checkbatteryterminals,ground,andrepair
asneeded
FaultyalternatorRepairorreplacealternatorasneeded
FaultybatteryReplacebattery
Incorrectfanbelttensionorbeltbroken
Adjustbelttensionorreplacebelt
EngineoverheatingRadiatorscreencoveredingrass
Cleanradiatorscreenornsasneeded
Lackofcoolant
Addcoolantasneeded
FanbeltslippingorbeltisbrokenAdjustbelttensionorreplacebelt
Mechanicalservicebrakes-Troubleshooting
Problem
PossibleCauseCorrection
Afterengagingbrake
pedal,pedalwillnot
return
ReturnspringdamagedReplacethespring
Damagedinternalbrakeparts
SeeyourNEWHOLLANDdealerforser-
vice
Brakedoesnotworkor
onlyonesideworks.
IncorrectbrakepedalfreeplaySeeyourNEWHOLLANDdealerforser-
vice
Brakediscliningwornorbroken
SeeyourNEWHOLLANDdealerforser-
vice
Regulated/Lowpressuresystem-Troubleshooting
Problem
PossibleCauseCorrection
Thethree-pointlinkage
willnotraise
EnginespeedtoolowIncreasetheenginespeedtoatleast
1500RPM
ThreepointhitchisoverloadedReducetheloadonthethreepointhitch
Lackoftransmission/hydraulicoil
Addoilasneeded
Airinthehydraulicsuctionpipe
Tightenthehydrauliclterandcheckallhy-
draulicsuctionconnections
HydraulicltercloggedReplacehydrauliclter
8-2