The Z-42 gear of the main engine reducer ZF21 PFT is a large toothed component of the reducer assembly, used for transmitting rotation and torque in the main engine drive. It is designed for installation in the reducer of the PFT ZF21 equipment.
In its design, this is a gear wheel with a wide external rim and a central hole for fitting. The part works in conjunction with another gear of the reducer, forming a gear transmission with the necessary gear ratio.
Type: reducer gear
Number of teeth: 42
Designation: Z-42
Purpose: to transmit rotation in the main engine reducer
Equipment: PFT ZF21
Unit: main engine reducer
Construction: gear wheel with a central fitting hole
The gear is used during the repair of the reducer to replace parts with damaged or worn teeth. Before installation, it is essential to check the condition of the gear pair and the fitting location, as well as to ensure that there is no excessive play.