. OPERATION OPERATION CHECK BEFORE STARTING WARNING CHECK COOLANT LEVEL, ADD COOLANT WARNING 3 - 69 During oper ation, or duri ng inspectio n and maintenance, if any problem is noti ced on the machine (noise, vi bration, smell, wrong display by g auges, smok e, oil leakag e, or problem displays on the warning dev ices or monitors), stop the m achine on flat ground where it do es not obstru ct any othe r machines, then repo rt immediately to th e jobsite supervisor and car ry out the necessary repairs. If th e machine c ontinues to be operated without re pairing the problem s, it may lead to serious per The conte items show s the item s that mu st be checked at the beginning of each da y.
Carry out these checks in combinatio n with WAL K-AROUN D CHEC K (PAGE 3-64). (Even on machines c arrying out night operations, ca rry ou t these che cks at the beginning of th e day's operation.) Immediately after the ma chine is sto pped, the pr essure ins ide the radiator is h igh, so if the radiator cap is o pened, hot water will spurt out an d may cause burns. ng the coolant level. Do not open the radiator cap. Inspect t he sub tank when checki ng the coola nt level.
D o not o pen the radi If there i s no cooling water in the sub tank, an d water is added , wai t for the temperature of the radiator cap to go down, then turn it sl owly to relea se the intern al pressure before op ening it completely. 1. Before tank (1 starting the ) is betwee engine, c n the FUL heck that th L and LOW e coolin marks. 2. If the l evel is LOW , remove t he cap (2) o f sub tan engine coolant up to the FU LL mark.