PSK PS Series Hydraulic disc Parts List
1. Actuating mechanism
2. Emergency caliper
3. Emergency caliper cylinder assembly
4. Service caliper
5. Service caliper cylinder assembly
6. Hydraulic power unit
7. Control system
8. Service brake valve assembly
9. Valve group I
10. Valve group II Sn Part No. Description
PSZ75B-70D-B-00 Actuating mechanism
1 PSZ75B-70D-B-01-04 Upper mounting base
2 PSZ75B-70D-B-03 Hexagon head bolt
3 PSZ75B-70D-B-01-00 Caliper frame
4 BK-00-7B Service calipers
5 BK-0-7B Emergency calipers
6 PSZ75B-70D-B-01-01 Lower mounting base
7 PSZ75-1-04 Slotted countersunk head screw
8 GB6179-86 Hexagon slotted and castle nut
9 GB91-86 Split pin
10 Drum
11 PSZ75B-70D-B-04-00 Friction disc
12 PSZ75B-70D-B-01-05 Sleeve
Sn Part No. Description
BK-0-7A Emergency caliper
1 BK-1-7A Brake pad
2 GB93-87 washer 12
3 GB5782-86 Hexagon head bolt M12x30
4 BK-2-7A Steel backing
5 BK-3-7A Sleeve
6 BK-4-7A Clevis pin with head
7 BK-3-7A1 Sleeve
8 BK-5-7A Lever
9 BK-6-7A Cover plate
10 GB68-85 Slotted countersunk head screw M6X12
11 BK-4-7A1 Clevis pin with head
12 BK-3-7A2 Sleeve
13 GB894.2-86 Circlip for shaft 35
14 GB1152-79 Grease cup M81 15 BK-7-7A Emergency caliper cylinder assembly 16 BK-3-7A3 Sleeve 17 BK-3-7A4 Sleeve 18 BK-4-7A2 Clevis pin 19 BK-8-7A Semicircle retaining ring 20 GB5782-86 Hexagon head bolt M10x16 21 GB894.2-86 Circlip for shaft 85 22 BK-9-7A Support arm 23 BK-10-7A baffle plate 24 GB93-87 washer 10 BK-0-7B Emergency caliper 1 BK-1-7B Brake pad 2 GB93-87 washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-7B Steel backing 5 BK-3-7B Sleeve 6 BK-4-7B Clevis pin with head 7 BK-3-7B1 Sleeve 8 BK-5-7B Lever 9 BK-6-7A Cover plate 10 GB68-85 Slotted countersunk head screw M6X12 11 BK-4-7B1 Clevis pin with head 12 BK-3-7B2 Sleeve 13 GB894.2-86 Circlip for shaft 35 14 15 BK-7-7B Emergency caliper cylinder assembly 16 BK-3-7B3 Sleeve 17 BK-3-7B4 Sleeve 18 BK-4-7B2 Clevis pin 19 BK-8-7A Semicircle retaining ring 20 GB5782-86 Hexagon head bolt M10x16 21 GB894.2-86 Circlip for shaft 85 22 BK-9-7A Support arm 23 BK-10-7A baffle plate 24 GB93-87 washer 10 Sn Part No. Description BK-0-6A Emergency caliper 1 BK-1-6A Brake pad 2 GB93-87 washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-6A Steel backing 5 BK-3-6A Sleeve 6 BK-4-6A Clevis pin with head 7 BK-3-6A1 Sleeve 8 BK-5-6A Lever 9 BK-6-6A Cover plate 10 GB819-86 Slotted countersunk head screw M6X12 11 BK-4-6A1 Clevis pin with head 12 BK-3-6A2 Sleeve 13 GB894.2-86 Circlip for shaft 30 14 GB1152-79 Grease cup M81
15 BK-7-6A Emergency caliper cylinder assembly
16 BK-3-6A3 Sleeve
17 BK-3-6A4 Sleeve
18 BK-4-6A2 Clevis pin
19 BK-8-6A Semicircle retaining ring
20 GB5782-86 Hexagon head bolt M8 x 16
21 GB894.2-86 Circlip for shaft 75
22 BK-9-6A Support arm
23 BK-10-6A baffle plate
24 GB93-87 washer 8
Sn Part No. Description
BK-0-6C Emergency caliper
1 BK-1-6A Brake pad
2 GB93-87 washer 12
3 GB5782-86 Hexagon head bolt M12x30
4 BK-2-6C Steel backing
5 BK-3-6C Sleeve
6 BK-4-6C Clevis pin with head
7 BK-3-6C1 Sleeve
8 BK-5-6C Lever
9 BK-6-6A Cover plate
10 GB819-86 Slotted countersunk head screw M6X12
11 BK-4-6C1 Clevis pin with head
12 BK-3-6C2 Sleeve
13 GB894.2-86 Circlip for shaft 30
14
15 BK-7-6C Emergency caliper cylinder assembly
16 BK-3-6C3 Sleeve
17 BK-3-6C4 Sleeve
18 BK-4-6C2 Clevis pin
19 BK-8-6A Semicircle retaining ring
20 GB5782-86 Hexagon head bolt M8 x 16
21 GB894.2-86 Circlip for shaft 75
22 BK-9-6C Support arm
23 BK-10-6A baffle plate
24 GB93-87 washer 8
BK-3-6C5 Sleeve of Support arm
Sn Part No. Description
BK-7-7A Emergency caliper cylinder assembly
1 GB70-85 Socket cap head screw M12x30
2 GB93-87 Washer 12
3 BK-SR-1 sealing ring
4 BK-SR-2 sealing ring
5 BK-7-7A1 Cover of the cylinder
6 BK-GB-1 Guide band
7 BK-SR-3 sealing ring
8 BK-7-7A2 Piston
9 BK-SR-4 sealing ring
10 BK-SR-5 sealing ring
11 BK-7-7A3 Elastic guide sleeve
12 BK-7-7A4 Disc spring
13 BK-7-7A5 Copper bush
14 BK-7-7A6 Hydraulic cylinder
15 BK-7-7A7 Lock nut
16 BK-7-7A8 Axle sleeve
17 BK-7-7A9 Retaining ring
18 BK-7-7A10 Adjusting nut
19 BK-7-7A11 Back cover of the cylinder
20 GB1152-79 Grease cup M8x1
21 GB93-87 Washer 8
22 GB70-85 Socket cap head screw M8*30
Sn Part No. Description
BK-7-7B Emergency caliper cylinder assembly
1 GB70-85 Socket cap head screw M12x30
2 GB93-87 Washer 12
3 BK-SR-1 sealing ring
4 BK-SR-2 sealing ring
5 BK-7-7A1 Cover of the cylinder
6 BK-GB-1 Guide band
7 BK-SR-3 sealing ring
8 BK-7-7B2 Piston
9 BK-SR-4 sealing ring
10 BK-SR-5 sealing ring
11 BK-7-7A Elastic guide sleeve
12 BK-7-7A4 Disc spring
13 BK7-7A5 Copper bush
14 BK-7-7A6 Hydraulic cylinder
15 BK-7-7A7 Lock nut
16 BK-7-7B8 Axle sleeve
17 BK-7-7A9 Retaining ring
18 BK-7-7A10 Adjusting nut
19 BK-7-7B11 Back cover of the cylinder
20 GB1152-79 Grease cup M8x1
21 GB93-87 Washer 8
22 GB70-85 Socket cap head screw M830 Sn Part No. Description BK-7-6A Emergency caliper cylinder assembly 1 GB70-85 Socket cap head screw M12x30 2 GB93-87 Washer 12 3 BK-SR-1 sealing ring 4 BK-SR-2 sealing ring 5 BK-7-6A1 Cover of the cylinder 6 BK-GB-1 Guide band 7 BK-SR-3 sealing ring 8 BK-7-6A2 Piston 9 BK-SR-4 sealing ring 10 BK-SR-5 sealing ring 11 BK-7-6A3 Elastic guide sleeve 12 BK-7-6A4 Disc spring 13 BK-7-6A5 Copper bush 14 BK-7-6A6 Hydraulic cylinder 15 BK-7-6A7 Lock nut 16 BK-7-6A8 Axle sleeve 17 BK-7-6A9 Retaining ring 18 BK-7-6A10 Adjusting nut 19 BK-7-6A11 Back cover of the cylinder 20 GB1152-79 Grease cup M8x1 21 GB93-87 Washer 8 22 GB70-85 Socket cap head screw M825
Sn Part No. Description
BK-7-6C Emergency caliper cylinder assembly
1 GB70-85 Socket cap head screw M12x30
2 GB93-87 Washer 12
3 BK-SR-1 sealing ring
4 BK-SR-2 sealing ring
5 BK-7-6A1 Cover of the cylinder
6 BK-GB-1 Guide band
7 BK-SR-3 sealing ring
8 BK-7-6C2 Piston
9 BK-SR-4 sealing ring
10 BK-SR-5 sealing ring
11 BK-7-6A3 Elastic guide sleeve
12 BK-7-6A4 Disc spring
13 BK-7-6A5 Copper bush
14 BK-7-6A6 Hydraulic cylinder
15 BK-7-6A7 Lock nut
16 BK-7-6C8 Axle sleeve
17 BK-7-6A9 Retaining ring
18 BK-7-6A10 Adjusting nut
19 BK-7-6C11 Back cover of the cylinder
20 GB1152-79 Grease cup M8x1
21 GB93-87 Washer 8
22 GB70-85 Socket cap head screw M825 Sn Part No. Description BK-00-7A Service caliper 1 BK-1-7A Brake pad 2 GB93-87 Lock washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-7A Steel backing 5 BK-3-7A Sleeve 6 BK-4-7A Clevis pin with head 7 BK-3-7A1 Sleeve 8 BK-5-7Ag Lever 9 BK-6-7A Cover plate 10 GB879-86 Slotted countersunk head screw M6 12
11 GB6170-86 Nut M16
12 BK-10-7A Baffle plate
13 BK-4-7A3 Clevis pin with head
14 BK-11-7A Adjusting screw
15 BK-3-7A2 Sleeve
16 BK3-7A3 Sleeve
17 BK-7-7Ag Service caliper cylinder assembly
18 BK-3-7A4 Sleeve
19 BK-4-7A2 Clevis pin with head
20 BK-8-7A Semicircle retaining ring
21 GB5782-86 Hexagon head bolt M8 x 16
22 GB1152-79 Grease cup M8<1 23 BK-12-7A Spring 24 BK-9-7A Support arm 25 GB894.2-86 Circlip for shaft 75 26 GB894.2-86 Circlip for shaft 30 GB93-87 Washer10 Sn Part No. Description BK-00-7B Service caliper 1 BK-1-7A Brake pad 2 GB93-87 Lock washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-7B Steel backing 5 BK-3-7B Sleeve 6 BK-4-7B Clevis pin with head 7 BK-3-7B1 Sleeve 8 BK-5-7Bg Lever 9 BK-6-7A Cover plate 10 GB879-86 Slotted countersunk head screw M6* 12 11 GB6170-86 Nut M16 12 BK-10-7A Baffle plate 13 BK-4-7B3 Clevis pin with head 14 BK-11-7A Adjusting screw 15 BK-3-7B2 Sleeve 16 BK-3-7B3 Sleeve 17 BK-7-7Bg Service caliper cylinder assembly 18 BK-3-7B4 Sleeve 19 BK-4-7B2 Clevis pin with head 20 BK-8-7A Semicircle retaining ring 21 GB5782-86 Hexagon head bolt M8 x 16 22 23 BK-12-7A Spring 24 BK-9-7A Support arm 25 GB894.2-86 Circlip for shaft 75 26 GB894.2-86 Circlip for shaft 30 GB93-87 Washer10 Sn Part No. Description — BK-00-6A Service caliper 1 BK-1-6A Brake pad 2 GB93-87 Lock washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-6A Steel backing 5 BK-3-6A Sleeve 6 BK-4-6A Clevis pin with head 7 BK-3-6A1 Sleeve 8 BK-5-6A Lever 9 BK-6-6A Cover plate 10 GB819-86 Slotted countersunk head screw M6* 12 11 GB6170-86 Nut M16 12 BK-10-6A Baffle plate 13 BK-4-6A3 Clevis pin with head 14 BK-11-7A Adjusting screw 15 BK-3-6A6 Sleeve 16 BK-3-6A3 Sleeve 17 BK-7-7Ag Service caliper cylinder assembly 18 BK-3-6A4 Sleeve 19 BK-4-6A2 Clevis pin with head 20 BK-8-6A Semicircle retaining ring 21 GB5782-86 Hexagon head bolt M10x16 22 GB1152-79 Grease cup M8<1 23 BK-12-7A Spring 24 BK-9-6A Support arm 25 GB894.2-86 Circlip for shaft 85 26 GB894.2-86 Circlip for shaft 35 Sn Part No. Description — BK-00-6C Service caliper 1 BK-1-6A Brake pad 2 GB93-87 Lock washer 12 3 GB5782-86 Hexagon head bolt M12x30 4 BK-2-6C Steel backing 5 BK-3-6C Sleeve 6 BK-4-6C Clevis pin with head 7 BK-3-6C1 Sleeve 8 BK-5-6C Lever 9 BK-6-6A Cover plate 10 GB819-86 Slotted countersunk head screw M6* 12 11 GB6170-86 Nut M16 12 BK-10-6A Baffle plate 13 BK-4-6C3 Clevis pin with head 14 BK-11-7A Adjusting screw 15 BK-3-6C6 Sleeve 16 BK-3-6C3 Sleeve 17 BK-7-7Bg Service caliper cylinder assembly 18 BK-3-6C4 Sleeve 19 BK-4-6C2 Clevis pin with head 20 BK-8-6A Semicircle retaining ring 21 GB5782-86 Hexagon head bolt M10x16 22 23 BK-12-7A Spring 24 BK-9-6C Support arm 25 GB894.2-86 Circlip for shaft 85 26 GB894.2-86 Circlip for shaft 35 BK-3-6C5 Sleeve of Support arm Sn Part No. Description Bk-7-7Ag service caliper cylinder assembly 1 BK-SR-1 sealing ring 2 GB70-85 Bolt M10X30 3 GB93-87 Washer 12 4 BK-7-7Ag1 Cover 5 BK-SR-2 sealing ring 6 BK-GB-1 Guide band L=255 7 BK-SR-7 sealing ring 8 BK-7-7Ag2 Piston 9 BK-GB-2 Guide band L=380 10 BK-SR-6 sealing ring 11 BK-7-7Ag3 Hydraulic cylinder 12 Bk-7-7Ag4 Axle sleeve Sn Part No. Description BK-7-7Bg service caliper cylinder assembly 1 BK-SR-1 sealing ring 2 GB70-85 Bolt M10X30 3 GB93-87 Washer 12 4 BK-7-7Ag1 Cover 5 BK-SR-2 sealing ring 6 BK-GB-1 Guide band L=255 7 BK-SR-7 “0”ring d118x2.65 8 BK-7-7Bg2 Piston 9 BK-GB-2 Guide band L=380 10 BK-SR-6 sealing ring 11 BK-7-7Bg3 Hydraulic cylinder 12 Bk-7-7Bg4 Axle sleeve Sn Part No. Description — BK-Z hydraulic power unit 1 BK-F-Y Overflow valve 2 ZU.1 -E25 x 10BD-P Pipeline oil filter (Filter element HDX-25 x 10) 3 BK-F-D Check valve 4 90251000 Nut 5 GB70-85 Screw M10x25 6 MECC Twin head bolt M10 x 50 7 MECC Nut M10 8 JB984 Connector M14*1.5/ M22*1.5 9 PT-7 Pressure measuring connector G1/4″ /M16 10 BK-F-G1 Global valve 11 JB1885-77 High-pressure hose 221-600KA 12 BK-F-G2 Global valve 13 QH-25 Manual pump QJH-15G Global valve 15 NXQ-F6.3/200 Accumulator 16 RFA-40x10Y Returning oil filter (Filter element FAX-40×10) 17 KMCL-3Y04 Cooler 18 JB966 Connector M22/ ZG3/4 “ 19 QUQ2 Air filter 20 BGY2-220/1 Explosion-proof heater 21 GB1235-76 O sealing ring <2 75 *3.1 22 GB70-85 Screw M8x18 23 90251002 Integrated oil-way block 24 902510010262004 Integrated oil-way block 25 262004 Connector 26 HA050200 Quick coupling 1/4BSP 27 90252000 Hydraulic station case 28 9025100 Integrated oil-way block 29 90262003 Connector Sn Part JV® Description 30 HA050100 Quick coupling 3/8BSP 31 THPG1-228 Plastic clamp 32 HB970 Connector 33 JB966 Connector 34 SP-06*25 Pipeline oil filter (Filter element SPX-06×25 ) 35 YN60-III Pressure gauge 0-16MPa 36 HFH2-P1-2-P-1.5 Pressure measuring hose 37 JB974 Connector 22 38 JB966 Connector 22/ G1/2 “ 39 22/28 Variable-diameter pipe 22/28 40 YB100L1-4W Explosion-proof motor B35 41 BK-F-G3 Global valve 42 d20mm PVC pipe 43 GB5780-86 Screw M10><35
44 EXX Explosion-proof electric box
45 GB5780-86 Bolt M12x30
46 GB5780-86 Bolt M10x35
47 90261001 Box flange
48 ML2 Quincunx coupling
49 Tank90L Tank 90L
50 A10V Constant pressure plunger pump
51 JB966.4.00 Connector
52 JB984 Union coupling
53 GB70-85 Screw M16x45
54 JB984 Union coupling
55 JB1885 High-pressure hose
56 JB1885 High-pressure hose
57 YW2-150 Oil level/ temperature gauge
Sn Part No. Description
— TK30 Control system
1 TK30-01-00 Valve group 1
2 TK30-01-02 Valve group 2
3 GB/T 70.1-2000 Bolt M10x25
4 TK30-03 Steel plate
5 TK30-04-00 Frame
6 YK01-06-00 Pipe joint 14/M16x1.5
7 GB/T70.1-2000 Bolt M6x25
8 TK01-01-00A Brake valve
9 BK-F-J Pneumatic reversing valve
10 Pneumatic joint G 1/4”
11 PVC pipe Φ10×1
12 Stainless steel pipe Φ14×2
13 TK02-03 Backing block
14 GB/T70.1-2000 Bolt M10x30
Sn Part No. Description
— TK11-01-00A Service brake valve assembly
1 TK01-01-01 Cover
2 GB/T819-2000 Bolt M5X30
3 TK01-01-02 Cam
4 GB/T1096-1979 Key 5X25
5 GB/T6173-2000 Nut M16X15
6 TK01-01-03 Washer 1
7 GB/T1972-1992 Disc spring
8 TK01-01-04 Washer 2
9 TK01-01-05 Sleeve 1
10 GB/T70.1-2000 Bolt M8X20
11 BK-F-S Brake valve
12 TK01-01-01A Steadier
13 TK01-01-07 Guide sleeve
14 TK01-01-08 Nut M6
15 TK01-01-09 Guide rod
16 GB/T308-1989 Steel ball S16
17 TK01-01-02A Bolt M12
18 GB/T77-2000 Bolt M6X10
19 TK11-01-01 Shaft
20 TK01-01-11 Sleeve 2
21 TK11-01-02 Rod
22 BK-S-B Handle
23 JB/T7940.4-1995 Grease cup 8
Part list (control system)
Sn Part No. Description
— TK30-01-00 Valve group 1
1 BK-F-Z Parking brake valve
2 GB/T70.1-2000 Bolt M5x30
3 TK30-01-01 Base board
4 JB/ZQ4444-1997 Plug M10x1
5 JB/T978-1977 Connector 14
— TK30-02-00 Valve group 2
1 TK30-02-01 Oil-way block
2 BK-F-3Y Hydraulic reversing valve
3 TK01-04-02-00 Pipe joint 10
4 BK-F-Q Pneumatic reversing valve
5 Stainless steel pipe Φ10×2
6 JB978-1977 Pipe joint 14 M14x1.5
7 JB978-1977 Pipe joint 10
8 PT-3 Pressure measuring connector
9 Pneumatic j oint G1/8 “
10 JB/T1883-1977 Pipe joint 14/ M18x1.5
11 JB/T966-1977 Pipe joint 14/M18x1.5
12 JB/ZQ4444-1997 Plug M18x1.5
13 JB/ZQ4454-1997 Seal packing 18×22
14 GB/T70.1-2000 Bolt M5x55