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Technical Information
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Condition
Causes
Remedies
1) Starting difficult
(1) Compression pressure
●
Valve's poor shut, stem distortion
●
Valve spring damage
●
Cylinder head gasket's leak
●
Wear of piston, piston ring or liner
Repair or replace
Replace valve spring
Replace gasket
Adjust
2) Idle operation abnormal
●
Ignition timing incorrect
Adjust
3) Engine output insufficient
(1) Continuous output Insufficient
●
Valve clearance incorrect
●
Valve tightness poor
●
Cylinder head gasket's leak
●
Wear, stick, damage of piston ring
●
Ignition timing incorrect
●
Damage of spark plug & ignition coil
●
Air suction amount insufficient
●
Turbocharger poor
Adjust
Repair
Replace gasket
Replace piston ring
Adjust
Adjust or replace
Clean or replace air cleaner
Repair or replace
(2) Output insufficient when in
acceleration
●
Compression pressure insufficient
●
Ignition timing incorrect
●
Damage of spark plug & ignition coil
●
Air intake amount insufficient
Disassemble engine
Adjust
Repair or replace
Clean or replace air cleaner
4) Overheating
●
Engine oil insufficient or poor
●
Cooling water insufficient
●
Fan belt loosened, worn, damaged
●
Cooling water pump's function lowered
●
Thermostat operation poor
●
Valve clearance incorrect
●
Exhaust system's resistance increased
Replenish or replace
Replenish or replace
Adjust or replace
Repair or replace
Replace
Adjust
Clean or replace
5) Engine noisy
For noises arise compositely such as
rotating parts, lapping parts etc.,
there is necessity to search the
cause of noises accurately.
(1) Crankshaft
●
As the wear of bearing or crankshaft
progress, the oil clearances increase.
●
Lopsided wear of crankshaft
●
Oil supply insufficient due to oil
pas-
sage clogging
●
Stuck bearing
Replace bearing &grind crankshaft
Grind or replace
Clean oil passage
Replace bearing &grind
(2) Connecting rod and connect-
ing rod bearing
●
Lopsided wear of con rod bearing
●
Lopsided wear of crank pin
●
Connecting rod distortion
●
Stuck bearing
●
Oil supply insufficiency as clog-
ging at oil passage progresses
Replace bearing
Grind crankshaft
Repair or replace
Replace & grind crankshaft
Clean oil passage
Содержание GV158TIC
Страница 1: ...950106 058010EN GV158TIC GV180TIC GV222TIC GAS GENERATOR ENGINE Operation Maintenance Manual...
Страница 2: ......
Страница 6: ...6 Engine Installation 143 6 1 Installing 143 6 2 Inspection Prior to Installation 144 Appendix...
Страница 130: ...Electrical equipment 124...
Страница 148: ...Maintenance of major parts 142...
Страница 152: ...Engine installation 146...
Страница 162: ...Appendix 156...