Brake assembly BZT2

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The 2-piston brake assembly BZT2 is designed as a floating brake caliper and can be mounted to 5′′ and 6′′ disk brake wheels of the series Penta and Classic. Due to the two big pistons and special sealings high braking torques can be achieved. This ensures a safe operation of heavy airplanes with high touch-down speeds. The brake linings with their big supporting surface are designed to achieve an outstanding cold braking performance as well as high temperature-resistance. They can be replaced easily and quickly. As with the BZT no special tools are needed to carry out a change of the brake linings. The brake assembly BZT2 is also equipped with a Stahlbus bleeder valve.
The brake assembly BZT2 has an ETSO-approval by EASA and is delivered with FORM 1.

The retrofitting of the BZT2 into different aircraft types is approved with Minor Change Approvals.

P/N	Description	Hydraulic fluid	Application	Braking torque Nm	Connecting thread	Weight g	Valve position	Brake disk thickness mm
080200	BZT2 5L	DOT 4	5″/6″ SBP Penta 5″ SBR Classic	480	M10x1	590	LH	5
080201	BZT2 5L	Mineral Fluid	5″/6″ SBP Penta 5″ SBR Classic	480	M10x1	590	LH	5
080202	BZT2 5L	DOT4	5″/6″ SBP Penta 5″ SBR Classic	480	NPT	610	LH	5
080203	BZT2 5L	Mineral Fluid	5″/6″ SBP Penta 5″ SBR Classic	480	NPT	610	LH	5
080230	BZT2 5R	DOT4	5″/6″ SBP Penta 5″ SBR Classic	480	M10x1	590	RH	5
080231	BZT2 5R	Mineral Fluid	5″/6″ SBP Penta 5″ SBR Classic	480	M10x1	590	RH	5
080233	BZT2 5R	Mineral Fluid	5″/6″ SBP Penta 5″ SBR Classic	480	NPT	610	RH	5
080234	BZT2 5R	DOT4	5″/6″ SBP Penta 5″ SBR Classic	480	NPT	610	RH	5
080210	BZT2 6L	DOT4	6″ SBR Classic	480	M10x1	600	LH	6
080211	BZT2 6L	Mineral Fluid	6″ SBR Classic	480	M10x1	600	LH	6
080240	BZT2 6R	DOT4	6″ SBR Classic	480	M10x1	600	RH	6
080241	BZT2 6R	Mineral Fluid	6″ SBR Classic	480	M10x1	600	RH	6
080250	BZT2 8L	DOT4	for wheel p/n 055532	480	M10x1	615	LH	8
080251	BZT2 8L	Mineral Fluid	for wheel p/n 055532	480	M10x1	615	LH	8
080220	BZT2 8R	DOT4	for wheel p/n 055532	480	M10x1	615	RH	8
080221	BZT2 8R	Mineral Fluid	for wheel p/n 055532	480	M10x1	615	RH	8

We can offer different universal or customised anchor plates for the mounting of the brake assembly to the landing gear according to your requirements.

Spare parts for brake assembly BZT2

P/N	Description	Hydraulic fluid	Remarks	Number
080901	Housing BZT2 left	N/A	valve on left side	1
080919	Housing BZT2 right	N/A	valve on right side	1
080902	Piston BZT2	N/A		2
080907	Counter plate BZT2 5 M10x1	N/A	p/n 080200/080201/080230/080231	3
080903	Counter plate BZT2 5	N/A	p/n 080200/080201/080230 /080231	3
080904	Counter plate BZT2 6	N/A	p/n 080210/080211/080240 /080241	3
080938	Counter plate BZT2 8 M10x1	N/A	p/n 080220/080221/080250 /080251	3
080905	Piston sealing BZT2	DOT4		4
080906	Piston sealing BZT2	Mineral Fluid		4
080949	Brake lining BZT2, set	N/A	for thread M1ox1, see schematic drawing, screwed on	5
080948	Brake lining BZT2, set	N/A	for thread NPT and for all p/n prior to 2017	5
080911	Anchor bolt BZT2	N/A	lenght: 52.2 mm	6
080912	Anchor bolt BZT2	N/A	for 4″ Disk brake wheel Classic, length: 45.5 mm	6
080815	Washer anchor bolt	N/A		7
080816	Nut anchor bolt BZT	N/A		8
080817	Housing screw BZT2	N/A		9
080818	Washer housing screw BZT2	N/A		10
059102	Bleeder valve M10x1	DOT4		11
059202	Bleeder valve M10x1	Mineral Fluid		11

Schema-bzt2

Schema-bzt2-npt-gewinde

Brake lining wear limit:
The minimum replacement thickness for brake linings is 0.7 mm.
The total thickness of brake linings at no point must be less than 0.7 mm.

Installation note:
After mounting the brake assembly, tighten the hexagonal bolt with a tightening torque of 10 Nm.