Starting machine after long period out of use When starting the machine after a long period out of use, first cancel the automatic-up warming function as follows. 1. Turn the starting switch key to the ON position. 2. Turn the fuel control dial from the low idling (MIN) to the full (MAX) posi- tion, hold it in position for at least 3 seconds, then return it to the low idling (MIN) position and start the engine. C: CHECKS AFTER STARTING After starting, make the following checks. 1. Turn fuel control dial (1) to run the engine at a midrange speed, and run under no load for approx. 5 minutes. (a): Midrange speed 2.
Push working mode switch (2) on the monitor panel to select H.0 (heavy- duty operation) mode. (The H.0 lamp above the working mode switch lights up) 3. Operate bucket control lever (3) and arm control lever (4) slowly to move the bucket cylinder and arm cylinder to the end of their stroke. (a): In (b): Out (c): Curl (d): Dump 4. Operate the bucket for 30 seconds and the arm for 30 seconds in turn fully for 5 minutes. * When pulling in the work equipment, be careful not to hit the chassis or ground. * Turn the swing lock switch ON (ACTUATED) and operate the lever to make the oil temperature rise more quickly. 5.
After the warming-up operation, check that all gauges and caution lamps are normal. * Run under light load until the engine water temperature gauge enters the green range. - 58 -