ENGINE
BX1870,BX2370,BX2670,LA203A,LA243A,RCK48(P),RCK54(P),RCK60B,RCK60D,RCK54D, WSM
1-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start
No fuel Fill the fuel G-9
Air in the fuel system Bleed G-40
Water in the fuel system Change fuel and
repair or replace fuel
system
–
Fuel line clogged Clean G-29
Fuel filter clogged Change G-34
Excessively high viscosity of fuel or engine oil at
low temperature
Use specified fuel or
engine oil
G-9
Fuel with low cetane number Use specified fuel G-9
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S30
Incorrect injection timing Adjust 1-S22
Fuel camshaft worn Replace 1-S36
Injection nozzle clogged Clean or replace 1-S30
Injection pump malfunctioning Replace 1-S35
Seizure of crankshaft, camshaft, piston, cylinder
or bearing
Repair or replace 1-S37,
1-S40
Compression leak from cylinder Replace head gasket,
tighten cylinder head
screw, glow plug and
nozzle holder
1-S17,
1-S31
Improper valve timing Correct or replace
timing gear
1-S36
Piston ring and cylinder worn Replace 1-S38
Excessive valve clearance Adjust 1-S18
Starter Does Not Run Battery discharged Charge G-26
Starter malfunctioning Repair or replace 6-S28
Main switch malfunctioning Repair or replace 6-S9
Safety switches malfunctioning Adjust or replace 6-S12
Wiring disconnected Connect –
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty Replace G-34
Air cleaner clogged Clean or replace G-28
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S30
Injection pump malfunctioning Replace 1-S35
Incorrect nozzle opening pressure Adjust 1-S24
Injection nozzle stuck or clogged Repair or replace 1-S30
Governor malfunctioning Repair 1-S35
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to specified
level
G-21
Piston ring and cylinder worn or stuck Repair or replace 1-S38
Incorrect injection timing Adjust 1-S22
Deficient compression Check 1-S17
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