Doosan AD158TI, Operation & Maintenance Manual

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Main accessory parts - 51 -
5. MAIN ACCESSORY PARTS
5.1. Reduction Gear
Refer to ″ reduction gear manual ″ provided with engine separately for detail operation and maintenance of
reduction & maintenance.
5.1.1. Construction and operation
The reduction gear is used for high-speed engine and consists of 4 major components such as input shaft,
gear shaft, output shaft, and housing.
The clutch for forward and reverse movements is composed of a hydraulic wet-type and multi-plate type, and
the construction and power line is as follows ;
1
2
3
4
5
11
6
7
8
9
10
EFM6006I
<Power line>
Neutral : 1-2-5-4-8
Forward : 1-2-5-3-7-10
Reverse : 1-2-5-4-8-9-6-7-10
1. Rubber block 6. Reverse pinion
2. Spider 7. Output shaft
3. Forward pinion 8. Reverse drive gear
4. Reverse drive gear 9. Gear shaft
5. Input shaft 10. Propeller shaft