7.3 Exhaust
Causes
1 overload
2 Poor spraying
3 low quality fuel
4 complete combustion
7.4 Knocking sound in the engine
Causes
1 angle of advance of fuel delivery is wrong
2 air in the fuel system
3 There is no balance in the fuel supply
between each cylinder
4 low quality fuel
5 There are worn parts that exceed their
own limits
7.5 Insufficient lubricating oil or without pressure
Causes
1 oil level in the oil sump too low
2 serious leakage in pipes
3 The oil filter and pipes are blocked
4 The oil gauge is damaged or its pipe is
blocked
5 the oil is very diluted
6 oil pump gears are severely worn, with
excessive clearances
7 Pressure relieve valves of oil filter stop
working
8 rod caps or camshaft caps are severely
worn with excessive clearance
Remedies
reduce load, adjust engine power
Check spray pressure and if the fuel pump
is damaged, replace it
Use good quality fuel.
The main reasons could be: poor spraying
of fuel pump,wrong fuel delivery of angle of
advance, gaskets leaks in cylinder liner and
low compression pressure. Solutions
according to each specific problem.
Remedies
Adjust the angle according to the
specification
Remove air
Set the injection pump to an
appropriate supply
replace with quality fuel
Replace parts
Remedies
Add oil to the mark on the
dipstick
Eliminate leakage
Clean or replace filters
Repair or replace
use a suitable oil
Adjust clearances or replace
Check, repair or replace
Repair or replace
82