. ATTACHMENTS, OPTIONS HANDLING JOYSTICK STEERING SYSTEM PRECAUTIONS FOR STEERING WITH JOYSTICK WARNING OPERATION METHOD OF JOYSTICK STEERING SYSTEM WARNING Check the adjustment and operation before starting the engine. For details, see "CHECK BEFORE STARTING ENGINE, ADJUST (PAGE 3-99)". 6 - 16 When using th e joystick lever to operate the s teering and transmission, if t he operation of th e machine does not match t he operation perf ormed by the operator and the w arning lamp lights up, do as f ollows.
Change to use of the steering wheel if necessa ry, apply the brakes immediate ly, turn the joysti ck ON/OFF switch OFF, operate the steering w heel and the directional lever to move the machine to a safe p lace, then stop th e machine. Before startin g the operation of the machine a gain, find out and repair the tr oubled part and c onfirm that the fu normal.
For th e troubleshooting and repair, pl ease contact your Komatsu di Never operate the machine before it is repaire When the joy stick ON/OFF switch is turne d OFF, if the directional se lector switch an d directional lev er are not at the N positio n, the neutral interlock circuit is actuated, the central w arning lamp ligh ts up, and the a larm buzzer sounds. irectional selector switch and directional lever to the N position.
Return the d irectional selector switch and directional lever to the N If the electric circuit of the joystick steering system or transmission co ntrol system ha s trouble, the ce ntral caution lamp (Red) o n the left side of the machin e monitor flashes to notify t he trouble to th e operator. sitions, turn off the joystick lever. Since both s teering system and transmi ssion are set in the respe ctive neutral po ON/OFF swi tch, then drive the machine with the steering wheel and the directional It is dangerou s to turn the machine suddenly at high speed, or to turn on steep hills. Do no t operate the ste ering in such conditions.
When turning, the articulation stops at the posi tion where the steering wheel is turned to, but if the joystick is he ld in the tilted position, the b ody will articulate fully. hen operating the steering with the joystick is different from when operating with the steering wheel, so be to operating the joystick. The feeling w extremely care ful until you have become used to operating the joystick.
When the joys tick ON/OFF switch is at the ON position, if the directional lev er is operated to F or R, the machin e will trave l in • • forward or rev erse according to the operation of the directional lever, rega rdless of the posi tion of the direct ional selecotr switch on the head of the joystick lever. Priorit y is given to the operation of th e directional leve r, so be careful wh en operating. • When this is d one, the central warning lamp lig hts up and the alarm buzzer s ounds. ystick to the N position. • Set the directi onal lever and directional selecto r switch on the head of the jo ystick to the N po