SHB 803 en – Edition 2.4 * 803s410.fm 4-33
Engine
4.32 Coolant and fuel hoses
☞Check the coolant and fuel hoses regularly to ensure that they are not kinked, cracked
or damaged.
➥Renew coolant and fuel hoses every 2000 o/h.
4.33 Crankcase vent
• Venting system by means of a spring-loaded diaphragm C on the valve cover D.
• If the specified value is exceeded, a connection is opened between the crankcase and
the intake manifold.
☞Unscrew the fastening screws of the cover.
☞Remove cover A, spring B, diaphragm washer C and diaphragm D.
☞Check diaphragm D for cracks and spring B for deformation.
➥If necessary, replace the parts.
➥Malfunctioning parts result in inappropriate monitoring of the crankcase pressure
and possible damage.
☞Install the parts in reverse order (pay attention to the torque).
4.34 Replacing the glow plugs
Removing the glow plugs
☞Unscrew the fastening screws of valve cover E.
☞Remove the valve cover and gasket.
☞Remove wiring harness F from the glow plugs.
➥To this purpose remove the nuts on glow plugs G.
☞Unscrew glow plugs G from the cylinder head.
Installing the glow plugs
☞Screw the glow plugs into the cylinder head.
➥Tightening torque: 14.7 – 19.6 Nm (11 – 15 ft.lbs.).
☞Refit the wiring harness and tighten the nuts.
☞Lightly grease and fit the new valve cover gasket.
☞Fit the valve cover and tighten the fastening screws.
Fig. 55: Diaphragm valve cover
A
B
C
E
D
Fig. 56: Replacing the glow plugs
F
G
To Next Page
Loading...
