64
Problem and possible cause
Remedy
1) Loose oil drain plug
Tighten
2) Faulty oil drain gasket
Replace
3) Loose main bearing cover bolts
Tighten
4) Faulty main bearing cover gasket
Replace
1. Oil leakage
5) Crankshaft oil seal (front, rear) defect
Replace
1) Faulty piston oil ring
Replace
2) Piston ring seizure, wear or poor contact
Replace
3) Excessive wear of piston and/or cylinder
Replace
4) Faulty stem seal
Replace
5) Excessive oil level
Adjust oil level
E
x
c
ess
ive
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ng
in
e
o
il
c
o
n
s
u
m
p
ti
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n
2. Oil up
6) Breather defect
Repair or replace
1) Clogged air cleaner
Clean or replace
2) Faulty needle valve and/or high fuel level in float
chamber
Repair or replace
1. Fuel system
3) Choke does not open fully
Repair or replace
1) Low compression
Check and repair
H
igh
f
u
e
l
c
on
s
u
m
p
ti
o
n
2. Engine core components
2) Overcooling
Check and adjust load
and/or engine speed
1) Loose ignition system wiring
Inspect and tighten
1. Ignition system problems
2) Improper or faulty spark plug
Clean or replace
1) Lean or rich fuel/air mixture
Clean, adjust or replace
carburetor
2) Carburetor contamination
Overhaul or clean
3) Dirty or clogged fuel lines
Clean or replace
2. Fuel system problems
4) Air inflow from air intake system joints
Tighten; replace gasket
1) Carbon deposit in combustion chamber
Clean
3. Cylinder head
2) Leakage from cylinder head gasket
Replace
1) Improper valve clearance
Adjust
2) Valve heat deterioration
Replace
3) Worn or broken valve spring
Replace
A
bno
rm
a
l
e
ng
in
e
no
is
e
4. Valve system problems
4)Improper valve timing
Adjust
Содержание EK13
Страница 1: ...EK13 EK1 7 EK20 EK28 EK30 ...
Страница 2: ...2 ...
Страница 14: ...14 4 17 DIMENSIONS B Type D Type ...
Страница 54: ...54 11 OIL SENSOR Not available ...
Страница 65: ...65 15 2 ELECTRIC STARTER ...
Страница 80: ...80 ISSUE EMD ES7820 December 2014 ...