B-7: FLUSHING TRAVEL CIRCUIT A Note: 7. Set the left and right travel levers to FORWARD. If the filter caution lamp on the monitor inside 8. Set the left and right travel levers to REVERSE. (Approx. 15 set) Engine full throttle. operation, stop the engine immediately and re- the operator’s cab lights up during the flushing 9. Swing the upper structure a further 90”. (Approx. 15 set) Engine full throttle. place the flushing element. 10. Set the left and right travel levers to REVERSE, replace with a new standard part (07063- If there are no more flushing elements available, and repeat Steps 3 - 6. 01210).
The travel circuit is short circuited and the system is flushed, but the purpose of swinging the upper struc- * Raise the hydraulic safety lock to the FREE position. Procedure for flushing ture 90” at a time is to completely remove the dirt inside the center swivel joint. (When the swivel joint 1. Set the left and right travel levers to FORWARD. rotor port and shaft port are at the same position, the 2. Swing the upper structure 90”. (Swing either to the (Approx. 15 set) Engine full throttle. cult to get the dirt out, so swing the upper structure flow of oil in the shaft groove is small, and it is diffi- 3. Set the left and right travel levers to FORWARD. right or to the left).
to change the position.) 4. Swing the upper structure a further 90’. (Approx. 15 set) Engine full throttle. the travel lever is operated, the machine will not The travel circuit is being short circuited, so even if 5. Set the left and right travel levers to FORWARD. (Approx. 15 set) Engine full throttle. move. 6. Swing the upper structure a further 90”. Shows direction of operating Shows direction o_foperating, travel lever 42