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Part list (75B Service calipers) Sn Part № Description Q-ty Remarks —— BK-00-7B Service caliper ※ 1 BK-1-7A Brake pad 2 ※ 2 BK-11-D1 Lock washer 18 3 BK-11-S1 Hexagon head bolt 18 4 BK-2-7B Steel backing 2 5 BK-3-7B Sleeve 4 6 BK-4-7B Clevis pin with head 2 7 BK-3-7B1 Sleeve 4 8 BK-5-7Bg

Part list (75B Emergency caliper cylinder assembly) Sn Part № Description Q-ty Remarks —— BK-7-7B Emergency caliper cylinder assembly 1 BK-11-S4 Socket cap head screw 12 2 BK-11-D1 Washer 12 3 BK-SR-1 sealing ring 1 4 BK-SR-2 sealing ring 1 5 BK-7-7A1 Cover of the cylinder 1 6 BK-GB-1 Guide band 1 7 BK-SR-3 sealing

Part list (75B Emergency calipers) Sn Part № Description Q-ty Remarks —— BK-0-7B Emergency caliper ※ 1 BK-1-7A Brake pad 2 ※ 2 BK-11-D1 washer 16 3 BK-11-S1 Hexagon head bolt 16 4 BK-2-7B Steel backing 2 5 BK-3-7B Sleeve 4 6 BK-4-7B Clevis pin with head 2 7 BK-3-7B1 Sleeve 4 8 BK-5-7B Lever

Sn Part № Description Q-ty Remarks —— BK-7JX Actuating mechanism 1 BK-7JX1 Upper mounting base 2 ※ 2 BK-7JX2 Hexagon head bolt 20 ※ 3 BK-7JX3 Caliper frame 2 ※ 4 BK-00-7B Service calipers 6 ※ 5 BK-0-7B Emergency calipers 2 ※ 6 BK-7JX4 Lower mounting base 2 ※ 7 BK-7JX5 Friction disc 2 ※

Part list (control system) Sn Part № Description Q-ty Remarks —— BK-Td Control system ※ 1 BK-F-J Pneumatic reversing valve 1 ※ 2 BK-F-Z Parking bake valve 1 ※ 3 BK-Td-1 Valve group 1 1 ※ 4 BK-F-W4 Pneumatic reversing valve 1 ※ 5 BK-F-3Y Hydraulic reversing valve 1 ※ 6 BK-T-2 Valve group 2

Part list SN Part № Description Q-ty Remarks —— Hydraulic Unit Circurit Subassembly 1 BK-TY-BYQ Transformer 1 Hydraulic station is used only for 460V 2 BK-JY-JCQ Ac Contactor 3 3 BK-TY-JDQ Intermediate Relay 1 4 BK-TY-K Air Switch 1 5 BK-TY-QD Indicate Light 4 BK-TY-TZ Indicate Light 3 6 BK-TY-A Button 6 7 BK-TY-K Air

Part list (hydraulic station) Sn Part № Description Q-ty Remarks —— Bk-Zd hydraulic power unit ※ 1 BK-Z-L2 Returning oil filter 1 BK-Z-LX2 Return oil filter 1 2 BK-Z1 Oil level/ temperature gauge 1 ※ 3 BK-Z9 Cooler 1 ※ 4 BK-Z-L4 Pipeline oil filter 4 BK-Z-LX4 Pipeline filter 1 5 BK-Z7 Manual pump 1

Part list (65C Service caliper cylinder assembly) Sn Part Ne Description Q-ty Remarks BK-7-7Bg service caliper cylinder assembly 1 BK-SR-1 sealing ring 1 2 BK-11-S6 Socket cap head screw 8 3 BK-11-D2 Washer 8 4 BK-7-7Ag1 Cover 1 5 BK-SR-2 sealing ring 1 6 BK-GB-1 Guide band 1 7 BK-SR-7 sealing ring 1 8 BK-7-7Bg2

Part list (65D Service calipers) Sn Part Ne Description Q-ty Remarks BK-00-6D Service caliper ※ 1 BK-1-6A Brake pad 2 2 BK-11-D1 Lock washer 12 3 BK-11-S1 Hexagon head bolt 12 4 BK-2-6C Steel backing 2 5 BK-3-6C Sleeve 4 6 BK-4-6C Clevis pin with head 2 7 BK-3-6C1 Sleeve 4 8 BK-5-6Dg Lever 2

Part list (65D Emergency caliper cylinder assembly) Sn Part No Description Q-ty Remarks BK-7-6C Emergency caliper cylinder assembly 1 BK-11-S4 Socket cap head screw 12 2 BK-11-D1 Washer 12 3 BK-SR-1 sealing ring 1 4 BK-SR-2 sealing ring 1 5 BK-7-6A1 Cover of the cylinder 1 6 BK-GB-1 Guide band 1 7 BK-SR-3 sealing ring