Check Operation Rod Special Tools 20-134 Serial No. Description Quantity A Tape 1 B Push-and-pull Balance 1 Travel Use the steel tape to measure the operation length at the center of handle of rod (1). ★ Conduct the measurement when the engine is stop. ★ The travel of work equipment operation rod is determined by the travel of slid valve of control valve, however, the centering position of handle is adjusted by individual rod. Operation Force Use the push-and-pull balance to measure the maximum value of tip of rod (1) before arriving the travel termination. ★ Conduct the measurement when the engine is stop.
★ The spring force of slid valve at one side of control valve decides the operation force of work equipment operation rod. When the operation force is over the standard value, check the moving condition of tie rod. If it is normal, disassemble the control valve and check the movement of slid valve.