1. First, cut the flame retardant fabric to the same length as the pressed sheet. The length of the pressed sheet is 2mm.
2. Secondly, the fire protection is arranged under the pressing piece, and screws are used to tighten and fix the hole.
3. Then overlap the fireproof canvas at each steel corner.
4. After finally installing the flame retardant fabric, check the stability, cleanliness, air leakage, etc. from the engine exhaust port.