. OPERATION OPERATION CHECK BRAKING CAPACITY OF SECONDARY BRAKE WARNING that the caution lamp does not light up. 3. Set the parking brake to the TRAVEL position and depress secondary brake pedal (1). 3 - 76 When checking the capacity of the se condary brake, there is danger t hat th e 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 sto p 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 p arkin g brake to the PARKINGp osition to stop the machine.
If i nspection is carried out when t he dump body pilot lamp is lighted u p 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 th at the body pilot lamp h as gone out. In addition, set the gear shift lever to the "D" posit ion and check that the shift indicator Chec k the braking capacity of the secondary brake as follows. 1. S 2. R a 1. S 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 rais e the engine speed until it reaches full speed. The lem in the brake.
m achine should not move wh en this happens. If the machine m oves, there is an prob 5. L ower the engine speed and s et the shift lever to "N" positio n and 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 distributor REMA RK "Secondary brake" means that th e front brake and parking brake ar e applied at the same