Hyundai HSL1500T Wheel Manual page 64

6. Engine (Continued)
Problem
Starter does not run
Engine revolution is not smooth
Either white or blue exhaust gas is
observed
Either black or dark gray exhaust gas
is observed
Excessive lubricant oil consumption
Fuel mixed into lubricant oil
Water mixed into lubricant oil
Low oil pressure
High oil pressure
4. MAINTENANCE
Cause
Battery discharged
Starter malfunctioning
Key switch malfunctioning
Wiring disconnected
Fuel filter clogged or dirty
Air cleaner clogged
Fuel leak due to loose injection pipe
retaining nut
Injection pump malfunctioning
Incorrect nozzle opening pressure
Injection nozzle stuck or clogged
Fuel overflow pipe clogged
Governor malfunctioning
Excessive engine oil
Low grade fuel used
Fuel filter clogged
Air cleaner clogged
Overload
Low grade fuel used
Fuel filter clogged
Air cleaner clogged
Piston rings gap facing the same
direction
Oil ring worn or stuck
Piston ring groove worn
Valve stem and guide worn
Crankshaft bearing and crank pin
bearing worn
Injection pump's plunger worn
Injection pump broken
Head gasket defective
Cylinder block or cylinder head
flawed
Engine oil insufficient
Oil strainer clogged
Relief valve stuck with dirt
Relief valve spring weakened or
broken
Excessive oil clearance of crankshaft
bearing
Excessive oil clearance of crank pin
bearing
Excessive oil clearance of rocker
arm bearing
Oil passage clogged
Oil pump defective
Different type of oil
Relief valve defective
Remedy
Charge.
Repair or replace.
Repair or replace.
Connect.
Clean or change.
Clean or change.
Tighten nut.
Repair or replace.
Adjust.
Repair or replace.
Clean.
Repair.
Reduce to the specified level.
Repair or replace.
Adjust.
Adjust top clearance.
Lessen the load.
Use the specified fuel.
Clean or change.
Clean or change.
Shift gap direction.
Replace.
Replace.
Replace.
Replace.
Replace pump element or pump.
Replace.
Replace.
Replace.
Replenish.
Clean.
Clean.
Replace.
Replace.
Replace.
Replace.
Clean.
Replace.
Use the specified oil type.
Replace.
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