Westerbeke 4.5 KW BGC -60Hz Betreibershandbuch Seite 81

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Seitenansicht 80
Valve Clearance
Adjustment:
BCG 4.0KW
NOTE:
Retorque the cylinder head bolts
before adjusting the engine's valves.
1.
Remove the rocker cover and the gasket.
2.
Rotate the crankshaft in the normal direction
of
rotation and place the No. 1 piston at TDC
(Top Dead Center) on its compression stroke.
AdJustthe intake and exhaust valve clearances
for the No.1
cylinder. Make sure the valves for
this cylinder are closed when this adjustment
is
performed.
3.
Rotate the crankshaft 360'. The valves for
cylinder NO.2 should now be closed.
Nowad-
just the valves for cylinder
No.2.
Adjust the intake valves
to
0.008 inches (0.20
ADJUST
EXHAUST
VALVES
TO
0.008
INCHES
(0.20
14M)
ADJUST
INTAKE
VALVES
TO
0.010
INCHES
(0.25
14M)
mm), and the exhaust valves
to
0.010 inches (0.25 mm) with the engine cold.
4.
Replace the rocker cover along with a new rocker cover gasket.
Rocker cover torque:
5.1
- 9.4 Ib·ft (0.7 - 1.3 kg-m)
Valve Clearance
Adjustment:
BCG 6.5KW
NOTE: Retorque the cylinder head bolts
before adjusting the engine's valves.
1.
Remove the rocker cover and the gasket.
2.
Rotate the crankshaft in the normal direction of
rotation and place the No.1 piston atTDC (Top
Dead Center) on its compression stroke.
Ad·
just the intake valve clearances for the No. 1
and No. 3 cylinders, and the exhaust valve
clearances
for
the No. 1 and
No.2
cylinders.
Make sure these valves are closed when per·
forming this adjustment.
3.
Rotate
the
crankshaft
360°
and
adjust
the
No.
2 cylinder's intake and the
No.3
cylinder's ex-
haust valve clearances.
Adjust all valves
to
0.0071
inches (0.18 mm) with
the engine
cOld.
ADJUST
EXHAUST
VALVES
TO
0.0071
INCHES
(0.18
14M)
ADJUST
INTAKE
VALVES
TO
0.0071
INCHES
(0.18
14M)
4.
Replace the rocker cover along with a new rocker cover gasket.
Rocker cover torque:
5.8·
8.7Ib·ft
(0.8·1.2
kg·m)
Westerbeke Generators
78
Seitenansicht 80
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