. OPERATION OPERATION CHECK BRAKING CAPACITY OF SECONDARY BRAKE WARNING 3. Set the parking brake to the TRAVEL position and depress secondary brake pedal (1). 3 - 75 When checking the capacity of the se condary brake, there is danger that the machine may suddenl y move and be damaged or cause serious personal injury. Alway Sel ect a wide, flat area with suffici ent distance to make it possible to st op the machine if it sudde If t he machine suddenly moves when the capacity of the secondary brake is being checked immediately, move the gear shift le verto the N position, and set the parki ng brake to the PARKINGp osition to stop the machine.
If in spection is carried out when t he dump body pilot lamp is lighted up and the shift indicator is at F1, there is danger of damage to the internal parts of the Wh en carrying out inspection, sea t the dump body securely and check that the body pilot lamp h as gone out. In addition, set the gear shift lever to the "D" posi tion and check that the shift indicator Chec k the braking capacity of the secondary brake as follows. ce the pressure in the front brake ke accumulator, and check that 1. S 2. R a elect a wide flat area. aise the engine speed, redu ccumulator and parking bra 4. S et gear shift lever (2) to the "D" position, gradually raise th e engine speed until it reaches full speed.
The lem in the brake. m achine should not move wh en this happens. If the machine moves, there is an prob 5. L ower the engine speed and s et the shift lever to "N" position an d set the parking brake switch to the "PARKING" p osition. ake, ask your Komatsu distributor to carry out repairs. 6. If there is a problem in the br ake, ask your Komatsu distributo REMA RK "Secondary brake" means that th e front brake and parking brake a re applied at the same