construction articles

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

Part list SN Part № Description Q-ty —— Hydraulic Unit Circurit Subassembly 1 BK-TY-BYQ Transformer 1 2 BK-TY-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

Part list (hydraulic station) Sn Part № Description Q-ty Remarks —— BK-Z hydraulic power unit 1 ※ 1 BK-Z-L1 Tank Breather 1 ※ 2 BK-Z1 Oil level/ temperature gauge 1 ※ 3 BK-Z-L2 Returning oil filter 1 BK-Z-LX2 Return oil

Part list (75B Service caliper cylinder assembly) Sn Part № 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

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

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