. OPERATION MACHINE OPERATIONS AND CONTROLS OPERATION MACHINE OPERATIONS AND CONTROLS 3 - 60 3. Operate rig ht work e quipment co ntrol lever (3) slowly, pu ll the bucket into the stop position, and hold it there for 5 minu 4. After carryi ng out th e warming-u is in the p operation, c heck that each gauge and abnormalit Engine correct r Fuel ga Engine Charge gauge and monitor following con dition. If abnormalit y is found , carry out m aintenance a Engine coolant ange correct r Fuel ga uge (5): In dicator is in correct range Engine oil pressu re monitor (6 ): Monitor is o Charge monitor ( 7): Monitor is 5. Check that there is n o abnormal e xhaust gas c olor, noise or vibration.
If any abnorma lity is found, contact your Komatsu di stributor. 6. Set safety l ock lever (2) to the LO CK position, then chec k that the are 1) 2) 3) 4) the machin e does no t move even when the lev ers and p edals are operate 1) The wo rk equipm ent and swin g do not mov e when th e left and rig ht work e quipment con trol levers ar e operated 2) The ma chine do es not travel when the left and right t ravel levers a re opera 3) The bla operate 4) The bo control pedal is o