. OPERATION OPERATION CHECK BEFORE STARTING WARNING CHECK COOLANT LEVEL, ADD COOLANT WARNING 3 - 68 During op eration, or duri ng inspectio n and maintenance, if any problem is noti ced on the machine (noise, vi bration, smell, wrong display b y gauges , smok e, oil leakag e, or problem displays on the warning dev ices or monitors), stop the m achine on flat ground where it does not obstru ct any othe r machines, then repo rt immediately to th e jobsite supervisor and car ry out the necessary repairs.
If the machine c ontinues to be operated without re pairing the problem s, it may lead to serious per The con tent of these s the item st be checked at checks i n combinatio n with WAL K-AROUN D CHEC K (PAGE 3-63). (Even o n machines c arrying out night operations, ca rry ou t these che cks at the beginning of th e day's operation.) Immediat ely 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 and ma y cause burns. ng the coolant level. Do not open the radiator cap. Inspec t the su b tank when checki ng the coola nt level.
D o not o pen the radi If ther e is no c ooling 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 slowly t o relea se the intern al pressure before op ening it completely. 1. Befo tank re starting the (1) is betwee engine, c n the FUL heck that th L and LOW e coolin marks. 2. If the level i s LOW , remove t he cap (2) o f sub tan engi ne coolant up to the FU LL mark.