KUBICEK Ignis Original operating manual

KUB_65D rev. a 1/2
issues
SERVICE INSTRUCTION no. 2022/04
Tightening the cardan bolts
Cause Unwanted loosening of universal joint bolts due to improper servicing
With reference to Ignis and Ignis Plus burners in assembly with burner frames
Action ____
To ensure that the Ignis and Ignis plus burner units are correctl mounted in the burner frame, it is
essential that the tightening and securing of the burner cardan bolts is in accordance with the
Maintenance Manual edition 3 (chap. 5.1.1.4. , chap. 5.1.2.2. and chap. 5.1.2.4.)
This polic applies to all Ignis and Ignis plus two-unit three-unit and four-unit burners mounted in
burner frames using both the gimbal and G ro gimbal. Cardan joining bolts must be sufficientl
tightened and threads secured with Loctite 243.
Fig.1 - example of a two-unit burner with G ro gimbal Fig.2 - example of a four-unit burner
Example of assembling the burner into the frame
1. Place the frame on the burner units. The center tube of the frame is located in the gimbal
block.

KUB_65D rev. a 2/2
2. Prepare the gimbal cover, place washers and bolts in the holes.
3. Place the gimbal cover in the correct position, appl Loctite 243 thread locking adhesive to
the bolts and tighten the bolts to 6 Nm in the correct sequence as shown below.
Caution
If the screws are not properly tightened and secured, vibration during transport may cause
the coupling screws to loosen, fall out and subsequently loosen the burner units from the
burner frame.
Technical content of this document is approved under the authorit of DOA No. EASA.21J.277.
On behalf of Kubíček Factor s.r.o.
Ing. Petr Kubíček, technical director
Datum: 28.4.2022