Sullivan-Palatek DC185P3JD, User Manual

Page: 44 / 163

36 TROUBLESHOOTING
7.1 INTRODUCTION
This section contains instructions for troubleshooting the equipment following a malfunction. Each
symptom of trouble for a component or system is followed by a list of probable causes of the trouble and
suggested procedures to be followed to eliminate the cause.
The procedures listed should be performed in the order in which they are listed, although the order may be
varied if the need is indicated by conditions under which the trouble occurred. In any event, the procedures,
which can be performed in the least amount of time and with the removal or disassembly of the fewest
SDUWVVKRXOGEHSHUIRUPHGÀUVW
7.2 UNPLANNED SHUTDOWN
POSSIBLE CAUSE ACTION
Low Fuel Fill the machine with fuel and retest.
:DWHURUFRQWDPLQDWLRQLQIXHOÀOWHU 5HSODFHDOOIXHOÀOWHUVDQGGUDLQWKHZDWHUIURPWKH
fuel tank(s).
Improper fan belt tension Adjust or replace the fan belt as needed.
Obstruction in radiator and/or oil cooler Remove any external obstructions and clean the
coolers.
Broken hoses or oil lines Repair/Replace any broken hoses or oil lines.
Loose or broken wires Repair/Replace any loose or broken wires.
Water temperature switch open Check the engine coolant level. Add as needed.
Clean the coolers.
Check the fan belt tension. Adjust or replace as
needed.
Refer to engine manufacturer’s manual.
Compressor discharge temperature switch open Check compressor oil level. Add as needed.
Clean the coolers and pressure check.
Check the fan belt tension. Adjust or replace as
needed.
Verify correct operation of thermal by-pass valve.
&KDQJHFRPSUHVVRURLODQGRLOÀOWHUHOHPHQW
Clean oil cooler internally.
Engine oil pressure switch open Check engine oil. Add as needed.
Verify the engine oil pressure exceeds 12 psi with
the engine running.
*If none of the above caused the shutdown, restart the engine and observe the engine oil pressure, engine
water temperature, and compressor discharge temperature and pressure gauges. Refer to the wiring
diagrams and information on the protection circuits for shutdown conditions. If it is found that low engine
oil pressure or high engine water temperature is causing the shutdown, refer to the engine manufacturer’s
manual.