Troubleshooting
Continued on next page
ZE59858,0000075 -19-23SEP14-3/11
Symptom
Problem
Solution
Turbocharger not functioning properly See your authorized John Deere
engine distributor or servicing dealer.
Air leak in engine intake or exhaust
manifold
Check intake and exhaust manifold
gaskets and manifolds; repair as
required. See your authorized John
Deere engine distributor or servicing
dealer.
Engine is in derate due to DTC
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.
Engine Idles Poorly
Poor fuel quality
Drain fuel and replace with proper
grade and quality of fuel for operating
condition.
Electronic control system problem or
basic engine problem
See your authorized John Deere
engine distributor or servicing dealer.
Excessive Fuel Consumption
Engine overloaded
Reduce engine load.
Air cleaner restricted or dirty
Replace air cleaner element as
required.
Compression too low
Determine cause of low compression
and repair as required.
Leaks in fuel supply system
Locate source of leak and repair as
required.
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.
Improper valve clearance
Adjust valve clearance. See Adjusting
Valve Clearance in the Lubrication
& Maintenance — 2000 Hours/24
Months.
Dirty or faulty fuel injectors
See your authorized John Deere
engine distributor or servicing dealer.
Electronic fuel system problem
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.
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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 ...