Section 5
MAINTENANCE
34
5.10 TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM
PROBABLE CAUSE
REMEDY
FLASH CODE: FOUR FLASHES
No/Low fuel
Check fuel level and add fuel if necessary.
Plugged fuel filter
Replace and clean as required.
Plugged air filter
Replace and clean as required.
Water/Dirt in fuel and/or fuel filter
Drain water from fuel water separators on fuel filters
Siphon water from fuel tank and clean fuel tank it.
necessary.
COMPRESSOR WILL NOT
For compressors with idle warm---up controls,
BUILD UP FULL DISCHARGE
switch toggle to “run” for full operation.
PRESSURE
Air Demand Is Too Great.
Check service lines for leaks or open valves.
Dirty Air Filter
Check the filter indicator and change element
if required.
Defective Pressure Regulator
Check diaphragm and replace if necessary
(kit available).
Defective Idle Warm---up Control
Replace control.
IMPROPER UNLOADING WITH AN
EXCESSIVE PRESSURE BUILD---UP
CAUSING PRESSURE RELIEF VALVE
TO OPEN
Pressure Regulating Valve Is Set
Readjust.
Too High
Leak In Control System Causing
Check control lines.
Loss Of Pressure Signal
Defective pressure regulating valve;
repair valve (kit available).
Inlet Valve Jammed
Free or replace valve.
FLASH CODE: FIVE FLASHES (option) No/low fuel
Check fuel level & add fuel if necessary.
IMPROPER UNLOADING WITH AN
EXCESSIVE PRESSURE BUILD---UP
CAUSING PRESSURE RELIEF VALVE
TO OPEN (continued)
Restriction In The Control System
Check all control lines and components.
Ice and/or other contaminants could cause
.
Defective Pressure Relief Valve
Replace pressure relief valve.
Opening At Too Low Of Pressure
Defective Pressure Regulator
Check diaphragm and replace if necessary
(kit available).
INSUFFICIENT AIR DELIVERY
Engage Idle Warm---up Control In “Run”
Position For Full Compressor Operation.
Plugged Air Filter
Replace.
Plugged Air/Fluid Separator
Replace separator element and also change
compressor fluid and fluid filter at this time.
Defective Pressure Regulator
Adjust or repair.
Engine Speed Too Low
Readjust engine speed.
Defective Idle Warm---up Control
Replace control.
Summary of Contents for 185H
Page 6: ......
Page 14: ...8 NOTES...
Page 20: ...Section 2 DESCRIPTION 14 Figure 2 4B Control System with Piping and Instrumentation 260 Models...
Page 23: ...Section 2 DESCRIPTION 17 Figure 2 6 Instrument Panel Group...
Page 24: ...Section 2 DESCRIPTION 18 Figure 2 7 Electrical System JOHN DEERE 02250144 446R05...
Page 25: ...Section 2 DESCRIPTION 19 Figure 2 7A Electrical System CATERPILLAR P02250144 395R04...
Page 26: ...20 NOTES...
Page 30: ...24 NOTES...
Page 36: ...Section 5 MAINTENANCE 30 Figure 5 4 Control System Adjustment 185H 210 MODELS 260 MODELS...
Page 42: ...36 NOTES...
Page 49: ...Section 7 ILLUSTRATIONS AND PARTS LIST 43 NOTES...
Page 90: ...Section 7 ILLUSTRATIONS AND PARTS LIST 84 7 10 ELECTRICAL PARTS ALL MODELS 02250148 897R00...
Page 128: ...Section 7 ILLUSTRATIONS AND PARTS LIST 122 7 20 DECALS...
Page 130: ...Section 7 ILLUSTRATIONS AND PARTS LIST 124 7 20 DECALS...
Page 132: ...Section 7 ILLUSTRATIONS AND PARTS LIST 126 7 20 DECALS...
Page 134: ...Section 7 ILLUSTRATIONS AND PARTS LIST 128 7 20 DECALS...
Page 136: ...Section 7 ILLUSTRATIONS AND PARTS LIST 130 7 20 DECALS...
Page 138: ...Section 7 ILLUSTRATIONS AND PARTS LIST 132 7 21 DECAL LOCATIONS 02250149 633R01...
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