V-Drive Marine Gearbox; Alignment Method; Alignment Method With Parallel-Face Flanges - ZF 400 Family Operating Instructions Manual

Installation

4.2 V-DRIVE marine gearbox

The above considerations apply. If the marine gearbox is mounted separately, a universal joint of variable length is
used. For the joint to work in optimal conditions (homokinetic transmission) and without damaging the marine gearbox
or the engine, it is necessary to follow a few simple installation rules, as shown in the following diagrams.

4.3 Alignment method

4.3.1 Alignment method with parallel-face flanges

The engine and marine gearbox must be installed so that flanges A and B lie parallel to each other.
1. Engine.
2. Flexible coupling.
3. Variable-length universal joint.
Selected according to the instructions of the manufacturer.
In compliance with the installation instructions.
4. Propeller axle.
5. Marine marine gearbox with input and output on the same face.
Make sure that the longitudinal axes of the flexible coupling, universal joint and marine gearbox input shaft
are aligned on the same vertical plane.
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CAUTION
CAUTION
Fig. 3
EN_3224.758.102c_2020_02