Iseki SZ330, Operation Manual

Page: 66 / 96

65
CHAPTER 10. TROUBLESHOOTING
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
･
Drive control lever is not open lock position.
･ Brake pedal is not depressed.
･ PTO switch is not in OFF (
N
) position.
･
Battery is not charged fully.
･
Battery terminals are poorly connected.
･ Defective internal wiring in connector
･
Broken starter switch
･
Broken starter motor108
･
Open the engine hood
･ 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 (
t
) speed 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
･
Shift it to neutral position.
･ Depresse the brake pedal.
･ Turn it to OFF position.
･
Charge it.
･
Clean the terminal posts and
connect them securely.
･ Rewire.
･
Consult your dealer.
･
Consult your dealer.
･
Close the engine hood securely.
･ 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 it to high speed position.
･ 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.