2.4 Testing vacuum system
Checking supply line and non-return valve (engine codes
CJDA, CJDD only) ⇒ Page 338.
Checking control line to turbocharger ⇒ Page 339.
Special tools and workshop equipment required
â—† Hand vacuum pump -VAS 6213-
Caution
â—† Do not kink, twist or crush the vacuum lines when rout-
ing. This may cause breakdowns.
â—† Observe safety precautions when working on charge air
system and turbocharger ⇒ Page 320.
◆ Observe rules for cleanliness ⇒ Page 320.
Follow these instructions before starting work and while
working on system.
2.4.1 Checking supply line and non-return valve
(engine codes CJDA, CJDD only).
Pull vacuum hose off lower connecting piece of charge pressure
control solenoid valve -N75- -arrow in II-.
– Seal open end of hose with a suitable sealing plug.
Note
Do not use screws or threaded bolts.
3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
338
Repair Group 21 - Turbocharging/supercharging
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