. MAINTENANCE SERVICE PROCEDURE ACCUMULATOR FOR TRAVEL DAMPER of the accumulator absorbs gas pressure in the 4 - 38 CHECKING FUNCTION OF ACCUMULAT For deta ils of handli ng the accumulator, see S ection "A CCUMULATOR (PAG When t he travel da mper switch is ON, effec motion of the machi ne during travel and reduc es the sw aying the up-and-down Drive th e machine a nd compare t he up-and-d own movement of th e machine during travel when the travel d amper switch i s ON and w hen it is OFF. If there is no chang probabl y dropped. Please contact your Komatsu distributor to ha ve the ac cumulator inspected.
REMARK Carry o ut the inspec tion when the machine is t raveling at a speed of at least 1 0 km/h (6.2 MPH). Even if th e travel damper switch is O N, the travel d amper is not actuated if the trav el speed is less than 10 km/h ( 6.2 MPH). ACCUMULATOR FOR BRAKE DAMPER When th e brake ped al is depressed , the hydra ulic sprin g effect of the a ccumulator a ctuates the brake smoothly. If any c hange is fel t in the smoothness accumulator has pro bably dropped. Please contact your Komatsu distributor to ha ve the ac cumulator inspected. operations, the REMARK Even if t here is any change in the smoothnes s, there is no drop in the brakin g force or brake performance.