Lovol KM/4L22 User Manual

MAINTENANCE MANUAL OF ENGINE
140
8. The engine cannot be operated normally or flames out frequently
Steps
Inspection
position
Fault causes
Troubleshooting
1
Fuel tank cap
The air passage is obstructed, resulting
in negative pressure built up in the fuel
tank.
Clean or replace
2
Fuel tank
The diesel grade is wrong or the fuel
quantity is insufficient.
Change or replenish the fuel
3
Air filter ele-
ment
The filter element is contaminated or
blocked.
Clean or replace the filter element
4
Fuel filter
The filter is blocked.
Replace
5
Sediment
bowl
The sediment bowl is off.
Turn on the sediment bowl switch.
6
Intake and
exhaust
valves
The intake and exhaust valve clearance
is inappropriate.
Adjustment (Refer to Section 1,
Chapter 3 of this Part)
7
Fuel injector
Poor atomization
Repair or replace (Refer to Sec-
tion 6, Chapter 3 of this Part)
8
Piston, cylin-
der liner, pis-
ton ring and
piston pin
The piston, cylinder liner, piston ring
and piston pin are worn seriously
Replace the piston, cylinder liner,
piston ring and piston pin (Refer
to Chapter 1 and 2 of Part II)

Lovol KM/4L22 Specifications

General

Brand	Lovol
Model	KM/4L22
Category	Engine
Language	English