Hitachi EX20UR-2 Manual page 379

Loose connecter,
OK I
disconnection
Starter switch
(Re-tighten, new wiring
Defective OK !
(Replace)
Check magnetic switch
Low
Faulty valve,
spring, gasket,
etc. (Overhaul)
Check if fuel
comes to
fuel pomp
Check for air mixing
Air mixing
I
OK
(Re-tighten, replace
packing, expel air)
Check
preheating circuit
Defective glow
plug control
resistance
(Replace)
OK
Glow plug
contorol
resistance
OK
Disordered idling
Adjust idling
OK
ENGINE/Troubleshooting
TROUBLESHOOTING
Engine does not start
Start does not run
Starter runs but engine
does not start
Engine starts but does not
run continuously
Check battery
Less Capacity
(Recharge)
Check wiring
Check compres-
sion ratio
L
No fuel injection
Fuel system
Fuel Injection
Air mixed in
injection pomp
Re-tighten,
replace packing,
expel air
OK
Engine
Check
Defective
OK
Check fuel filter injection timing
(Replace)
Check
Clogging(Cleanj
Faulty (Adjust)
I
rOK
,
starter brush
Check nozzle
I
I
Faulty connection I
OK
(Repair or replace)t
1
Check the return of the
engine stop solenoid
Faulty
(Repair or replace)
OK
Faulty starter I
(Bring to a
!
specialized shop)
Dismantle and
inspect the links
Inspect the solenoid
OK
Faulty injection
pump (Bring to a
specialized shop)
Stuck or inferior in sliding
(Adjust or replace)
Note: "Bring to a specialized shop" means that
faulty parts must be brought to a specialized
shop for repair.
W05-06-01