Product Manual

Table Of Contents
6: Maintenance 185 T4F Kubota User Manual
02250216-781 R02
52 Subject to EAR, ECCN EAR99 and related export control restrictions.
6.10 Troubleshooting
The following troubleshooting chart is based upon data
obtained from factory tests and information from the field.
It lists symptoms, probable causes and remedies. This
chart does not cover all possible malfunctions or cases of
abnormal operation. Before undertaking repairs or
replacement actions, analyze all of the available data.
Performing a detailed visual inspection in all cases can
p
r
event additional damage or abnormal operation.
Always:
Check for loose wiring or connections.
C
heck for damaged piping.
Check for heat damage to parts (electrical short
circuits can cause heat damage) which can
appear as discolorations or the presence of a
burnt odor.
If the troubleshooting remedy does not work, or the mal-
function is not covered in this troubleshooting chart, con-
tact your nearest Sullair representative or Sullair for
technic
a
l assistance.
Table 6-1: Troubleshooting guide
Symptom Probable cause Remedy
Low voltage or
no voltage
Low voltage or battery discon-
nected
Check battery cables and tighten if loose
Check ground wire for proper attachment to
frame. Tighten if required.
Recharge or replace battery if required.
Blown fuse in wiring harness
Remove and inspect fuse. Replace if nec-
essary.
Instrument panel connectors loose
or disconnected.
Check instrument panel connectors and
reattach if required
Check instrument panel wires for broken
connections or corrosion. Clean and/or
replace if damaged.
High compressor tem-
perature
Compressor temperature switch is
open
Check wiring connection to the switch and
tighten if loose
Check switch continuity to ground and
replace if necessary
Low receiver tank fluid level Add fluid to receiver tank as required
Loose or broken fan belt Tighten or replace belt
Cooling air flow is insufficient, dirty
fluid cooler core
Clean core thoroughly and check for proper
ventilation
Clogged compressor fluid filter Change fluid filter element
Faulty fluid thermostat Change fluid thermostat element
Plugged fluid cooler tube (internal) Replace cooler