Troubleshooting
Continued on next page
ZE59858,0000075 -19-23SEP14-7/11
Symptom
Problem
Solution
Defective thermostat(s) (does not
close)
Test thermostats; replace thermostats
as required.
Coolant entering combustion chamber
(failed cylinder head gasket or cracked
cylinder head)
Repair or replace as required. See
your authorized John Deere engine
distributor or servicing dealer.
Electronic Control System problem or
basic engine problem
See your authorized John Deere
engine distributor or servicing dealer.
Improper type of fuel
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Poor fuel quality
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Low engine temperature
Warm up engine to normal operating
temperature.
Defective thermostat.
Remove and check thermostat.
Defective fuel injectors
See your authorized John Deere
engine distributor or servicing dealer.
Engine Emits Black, Gray or Blue
Smoke
Engine overloaded
Reduce engine load.
Engine burning oil
See your authorized John Deere
engine distributor or servicing dealer.
Air cleaner restricted or dirty
Replace air cleaner element as
required.
Electronic control system problem or
basic engine problem
See your authorized John Deere
engine distributor or servicing dealer.
Exhaust filter is cracked or damaged
See your authorized John Deere
engine distributor or servicing dealer.
Improper type of fuel
Use proper fuel.
Fuel injectors dirty
See your authorized John Deere
engine distributor or servicing dealer.
Electronic Control System problem or
basic engine problem
See your authorized John Deere
engine distributor or servicing dealer.
Turbocharger not functioning properly See your authorized John Deere
engine distributor or servicing dealer.
Engine Overheats
Air cleaner restricted or dirty
Replace air cleaner element as
required.
65-11
032715
PN=131
Summary of Contents for DPT40-B
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Page 55: ...Introduction 032715 PN 8 ...
Page 59: ...Contents iv 032715 PN 4 ...
Page 196: ...Troubleshooting 65 29 032715 PN 149 ...
Page 221: ...Warranty DX EMISSIONS EPA 19 12DEC12 2 2 TS1721 UN 15JUL13 85 6 032715 PN 174 ...
Page 229: ...Warranty DX EMISSIONS CARB 19 01AUG14 8 8 RG26036 UN 24JUN14 85 14 032715 PN 182 ...
Page 235: ...Engine Registration IBC 2 032715 PN 188 ...
Page 238: ...Engine Registration IBC 5 032715 PN 191 ...
Page 239: ...Engine Registration IBC 6 032715 PN 192 ...
Page 240: ...saue Axial Piston Pumps and Motors Service Manual Series 90 CONTENTS ...
Page 326: ...saue 87 Series 90 Exploded View Parts Drawings 10 Notes CONTENTS ...
Page 329: ...2 Model 74624 and 74644 ...
Page 337: ...10 Model 74624 and 74644 Notes ...
Page 338: ...11 Model 74624 and 74644 Notes ...
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Page 386: ...www dexteraxle com OPERATION MAINTENANCE SERVICE MANUAL 600 8 000 lb Axles Related Components ...
Page 468: ...Service Record Date Service Performed Mileage ...
Page 469: ...Service Record Date Service Performed Mileage ...
Page 470: ...Service Record Date Service Performed Mileage ...