How do I correctly install the oil sight glass on the ZIMM ZK bevel gearbox?

Depending on the version of the ZIMM ZK bevel gearbox, the oil sight glass is installed on site. The correct position depends on the mounting position of the gearbox. From size ZK-140, an oil sight glass is also supplied with gearboxes with oil holes. What must be observed before installing the oil sight glass on the ZIMM ZK bevel gearbox? Lubricant may leak when opened. Avoid eye contact with lubricant. Wear personal protective equipment. Use a suitable base. Ensure that lubricant cannot enter the environment. Customer-side installation ensures that the oil sight glass is used in the correct position. How do I install the oil sight glass on the ZIMM ZK bevel gearbox step by step? Position the ZIMM ZK bevel gearbox so that the oil holes point upwards. Loosen the sealing screw at the oil sight glass position. Install the oil sight glass. Use liquid sealant if recommended. Instruction manual | Bevel gearboxes | Chapter 6 #icon-before-text-block_47956d419ce46275518d82fa41bfe6cf svg {position:relative; top: 3px !important; left: 0;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf .has-svgicon {display:block;position:relative;padding-left: 24px;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf svg {margin-left: -24px;margin-right: 6px;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf .text-below {margin-top: -6px;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf svg {width:18px;height:auto;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf.aligncenter {text-align:center;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf .has-svgicon svg, #icon-before-text-block_47956d419ce46275518d82fa41bfe6cf .has-svgicon svg path {fill:#555555 !important;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf a svg path {fill:#555555 !important;}#icon-before-text-block_47956d419ce46275518d82fa41bfe6cf a:hover svg path {fill:#a77f4e !important;}

How to correctly install the ZK bevel gearbox oil sight glass?

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Author:

Jonathan Mildner | Head of Sales Technology

Last modified:

31.03.2026

Depending on the version of the ZIMM ZK bevel gearbox, the oil sight glass is installed on site. The correct position depends on the mounting position of the gearbox. From size ZK-140, an oil sight glass is also supplied with gearboxes with oil holes.

What must be observed before installing the oil sight glass on the ZIMM ZK bevel gearbox?

Lubricant may leak when opened.
Avoid eye contact with lubricant.
Wear personal protective equipment.
Use a suitable base.
Ensure that lubricant cannot enter the environment.
Customer-side installation ensures that the oil sight glass is used in the correct position.

How do I install the oil sight glass on the ZIMM ZK bevel gearbox step by step?

Position the ZIMM ZK bevel gearbox so that the oil holes point upwards.
Loosen the sealing screw at the oil sight glass position.
Install the oil sight glass.
Use liquid sealant if recommended.

Instruction manual | Bevel gearboxes | Chapter 6

Jonathan Mildner | Head of Sales Technology

Jonathan Mildner heads the Sales Technology department at ZIMM. He is responsible for the design and safe integration of screw jacks, electromechanical actuators, and drive technology – including accessories from the ZIMM modular system, clearly defined interfaces, the safety concept, and complete documentation; he provides technical support for manufacturing to drawing (special parts/adaptations).

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