Joyner JNSZ1600QL, Руководство пользователя

Страница: 107 / 215

106
(6). Oil collector blocked or loose Clean or replace or tighten
15. Engine self ignited.
Cause Correction
(1). Too high idle speed, too lean mixture or Adjust idle speed or fast idle boost fast idle gear out of work
(2). Incorrect fuel grade Use fuel of correct grade
(3). Too much carbon deposits in Spark plug or combustion chamber Clean carbon deposits
(4). Idle cut-off valve not works or circuit trouble Service or replace
(5). Choke and throttle valve out of work Check relevant connecting
mechanism
16. Engine noise.
(1). Preignition or knocking occurs during accelerating or under heavy load
Cause Correction
a. Incorrect ignition timing Check ‘teeth’belt tension, tension pulley or distributor
b. Incorrect fuel grade Use fuel of correct grade
c. Intake manifold or connecting hose vacuum leakage Check and service
d. Too much carbon deposits in Spark plug or combus
tion chamber carbon severely Clean carbon deposits
(2). Whistle noise:
Cause Correction
a. Intake manifold sealing gasket leaks Replace sealing gasket or tighten bolts
b. Exhaust manifold sealing gasket leaks or Replace sealing gasket or tighten bolts exhaust pipe
sealing gasket leaks
c. Vacuum hose leaks Replace
d. Cylinder head gasket burned badly Check and replace
(3). Knocking or spanking noise
Cause Correction
a. Hydraulic valve lifter works abnormally Check and replace
b. Valve mechanism or camshaft worn out Check and service
c. Timing belt or tension pulley worn out Replace
d. Abnormal accessories ie. alternator or water pump Check, service and replace
(4). Knocking or hammering noise.
Cause Correction