Maintenance
8135−1/A1
Winterthur Gas & Diesel Ltd.
1/ 1
Exhaust Waste Gate (Low-Load Tuning)
1. General
The Low-load Tuning (LLT) uses a specially designed turbocharger system and
specified engine parameters. These parameters are related to fuel injection and
exhaust valve control and get the best decreased part-load BSFC in LLT.
Spring pressure keeps the actuator (3, Fig. 1) closed. A pressure of 5.5 bar opens the
control actuator
2. Maintenance
Special maintenance of the butterfly valve (7) is not necessary. For a general
inspection, refer to the instructions in the documentation of the manufacturer.
1) To do a function check, refer to the Operation Manual 8135−1 and the
Maintenance Schedule 0380−1 Exhaust Waste Gate (LLT).
WCH02971
1
2
3
4
5
3
7
5
6
Fig. 1
Key to Illustrations:
1 Expansion piece 5 Exhaust manifold
2 Control rod 6 Exhaust by-pass line
3
Control actuator
7 Butterfly valve
4 Turbocharger
2016
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