E
AST
C
HINA
S
HIPBUILDING
I
NSTITUTE
F
ACTORY
21
SIYANG
四洋
R
7 TROUBLE SHOOTING
This section is intended as a guide only. If you are in difficulty, please
consult East China Shipbuilding Institute Factory, CHINA or local our
product distributor.
7.1 DIFFICULT IN STARTING THE ENGINE
Causes
Remedial method
(1).The fuel filter or pipe are obstructed.
(2).Air is locked in the fuel
(3).The fuel injection advance angle is
incorrect.
(4).The valve clearance is incorrect
(5).Battery not fully charged or poor
wire connections
(6). No fuel in tanker or poor spray from
injector
(7).Low cylinder compression pressure
Clean the filter or pipes
Drain the air and tighten all fuel pipe
connectors
Adjust the fuel injection advance angle
as specification.
Adjust the valve clearance as required.
Charge the battery fully or tighten the
connections.
Fill up the fuel or adjust the injecting
pressure as required.
Check and change the piston ring or
cylinder liner. Change the cylinder head
gasket if damaged.
7.2 INSUFFICIENT OUTPUT
Causes
Remedial method
(1)
Low cylinder compression pressure
(2)
The fuel injection advance angle is
incorrect.
(3)
The valve clearance is incorrect
(4)
Fuel supply for each cylinder is
unequal.
(5)
Low engine speed
(6)
Excessive wear of plunger couple of
Injection pump
(7)
The exhaust system clogged.
Refer to 7.1(7)
Refer to 7.1(3)
Refer to 7.1(4)
Adjust the fuel quantity of fuel injection
pump.
Adjust the engine speed to specification.
Renew new plunger couple.
Clean.
