SFH220,240
86
1. ENGINE
CHAPTER 10. TROUBLESHOOTING
Troubles
・
Starter motor
does not work.
・
Starter motor works but
engine does not start.
・
Engine runs at irregular
speeds or stalls soon.
・
Engine knocks.
Presumable causes
・
Operator is not sitting on the seat.
・
Engine food is opened. (F2-type only)
・
Master brake pedal is not depressed.
・
PTO lever is not in OFF (
N
) position.
・
Battery is not charged fully.
・
Battery terminals are poorly connected.
・
Defective internal wiring in connector
・
Defective safety switch of seat
・
Broken starter switch
・
Broken starter motor
・
Cock of fuel strainer is closed.
・
No fuel
・
Water trapped in fuel
・
Air trapped in fuel
・
Clogged fuel hoses
・
Clogged fuel strainer
・
Slow cranking speed
・
Insufficient pre-heating
・
Throttle lever is in low speed (
t
) position.
・
Too high engine oil viscosity
・
Clogged air-cleaner
・
Insufficient compression
・
Incorrect injection timing
・
Clogged injection nozzles
・
Air trapped in fuel system
・
Improper earthing
・
Clogged fuel strainer
・
Leaking fuel system
・
Defective injection pump
・
Too low engine oil level
・
Engine is overheated.
・
Coolant temperature does not rise.
・
Defective injection pump
Remedies
・
Operator sits on the seat.
・
Close the engine food
completely. (F2-type only)
・
Depress it fully.
・
Shift it to OFF position.
・
Charge it.
・
Clean the terminal posts and
connect them securely.
・
Rewire.
・
Consult your dealer.
・
Consult your dealer.
・
Consult your dealer.
・
Open it.
・
Replenish with fuel.
・
Drain trapped water from
fuel strainer.
・
Bleed injection pump.
・
Clean fuel hose inside.
・
Wash or replace it.
・
Charge battery.
・
Preheat for specified time.
・
Shift the throttle lever to middle
speed position.(middle of "Hi"
and "Low")
・
Replace it with one of lower
viscosity.
・
Clean element.
・
Consult your dealer.
・
Consult your dealer.
・
Consult your dealer.
・
Locate cause of air-
trapping and bleed system
of air.
・
Polish earthing points and
re-connect.
・
Clean or replace it.
・
Tighten joints securely or
replace damaged hose.
・
Consult your dealer.
・
Add oil to upper limit.
・
Consult your dealer.
・
Consult your dealer.
・
Consult your dealer.
Summary of Contents for SBC550FH
Page 1: ...SFH240 SFH220 SCMA48F SCMA54F SMM54F SBC550FL SBC550FH MODELS I S E K I F R O N T M O W E R S ...
Page 33: ...SFH220 240 32 ...
Page 34: ...ISEKI FRONT MOWERS FRONT MOWER SECTION ...
Page 35: ......
Page 92: ...WIRING HARNESS CABLE 91 WIRING HARNESS CABLE Exept G type ...
Page 93: ...SFH220 240 92 G type ...
Page 94: ...ISEKI FRONT MOWERS MOWER DECK SECTION SCMA54F SCMA48F SMM54F SSM54F SFH240F B SFH240F SFH220T ...
Page 95: ......
Page 138: ...ISEKI FRONT MOWERS COLLECTOR SECTION ...
Page 139: ......
Page 150: ...CHAPTER 6 TROUBLESHOOTING 149 ...
Page 151: ...SFH220 240 150 ...