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Remove the existing hydraulic lines (B) and (C) from the main control valve.
from Case Locking hydraulics kit (Z-bar-XR) 521G 621G W110 D W130D loader Installation Instruction Manual
Install the straight hydraulic connector (9) and the T- fitting the main control valve (V) . 10. Connect the coupler tank hose (17) the straight hydraulic connector (9) . 1 Connect the coupler pressure hose (18) the T- fitting . Connect the diagnostic coupler (31) the other end the T- fitting .
12. Remove the existing hydraulic lines (B) and (C) from the main control valve. NOTE: this operation is necessary gain access the existing dump line (E) . 13. Remove the existing dump lines (A) and (E) from the main control valve.
14. Install the two throttle check valves (21) the dump spool port the main control valve. NOTE: Insert the throttle check valve (21) into the main control valve port with the short end first. 15. Install the dump lines (A) and (E) the two throttle check valve (21) .
16. Drop one end the coupler hoses through the oblong hole in the loader arm. Connect the coupler hoses the two hydraulics connectors (3) the top the solenoid valve (2) . • For Z- bar use shorter coupler hose (19) . • For XR use longer coupler hose (22) .
LEIL16WHL0708AB 8

LEIL17WHL0125AB 9

LEIL17WHL0126AB 10

LEIL17WHL0074AB 11