. OPERATION OPERATION OPERATIONS AND CHECKS AFTER STARTING ENGINE WARNING BREAKING-IN THE MACHINE CAUTION load at midrange speed for about 5 minutes. 3 - 122 If there has been any abnor mal actuation or trouble, turn the s tarting switch key to the If the work equipment is o perated without warming the machi ne up sufficiently, the re sponse of the work e quipment to the ver will be slow and the work equipment m ay n ot respond as the operator desires, so always carry on. Particularly in cold areas, be su re to c arry out the warm -up operation complet Your Komatsu machine has be en thoroughly adjusted and tested b efore shipment.
Howeve r, operating the machi ne under severe conditions at the beginning ca n adversely affect the performance and s horten the machin Be sure to break-in the machi ne for the initial 100 hours (as indicated b y the service mete During break-in operations, fo llow the precautions described in th is manual Idle the engine for 5 min utes after starting it up. avy loads or at high speeds. Avoid operation with he Immediately after startin g the engine, avoid sudden start s, sudden acceleratio n, unnecessary sud den stops, and sudden changes in direc tion. NORMAL OPERATION After the engine starts, do n ot start operating the machine i mmediately.
First, car ry out the following o perations and checks. NOTICE Do not suddenly accelerate th e engine before the warming-up operation completed. Do not run the engine at low id le or high idle continuously for more than minutes. If it is necessary to run the eng ine at idle, apply a load from time to time run the engine at a mid-range speed. 1. Depress acceleratorpe dal (1) lightly and run the engine with n