. MAINTENANCE SERVICE PROCEDURE CHECK BRAKING CAPACITY OF RETARDER BRAKE WARNING the machine does not shift lever at N position. If any problem is found, ask your Komatsu distributor for repair. 4 - 59 When ch ecking the braking capacity of th e retarder brake, there is danger th at the machine may sudde nly move and be damaged or cause serious personal injury.
Always Select a wide, flat area with sufficient distance to make it possible to sto p the machine if it sudden If the machine suddenly moves when the braking capacity of the retard er brake is being checked , reduce the engine speed immediately, move the gear shift lever to the N position, and depress th e foot brake to stop the m If insp ection is carried out when the dump body pilot lamp is lighted u p and the shift indicator i s at F1, there is danger of dama ge to the internal parts of the tra When carrying out inspection, seat the dump body securely and check t hat the body pilot lamp ha s gone out.
In addition, set the ge ar shift lever to the "D" position and check that the shift indicator Check t he braking capacity of the re 1. Sto (1) f 2. Set spe the mov 3. Low . Sto p the machine on flat ground engine speed reaches 1400r e, it is normal. er the engine speed, set ge NOTICE If t he du mp body is not seated and the pa rking brake is at "TRAVEL", the sp eed range is set to F1, eve n when the gear shift lever is at the "D" position.