Komatsu — INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)

. MAINTENANCE MAINTENANCE PROCEDURE CHECK AND MAINTENANCE AIR CONDITIONER Check Level of Refrigerant (gas) WARNING refrigerant (Freon 134a), the cooling at high speed, there should be no (inspection window) mounted on the Some bubbles in flow 4 - 36 If the re frigerant u sed i n the ai r conditioner g ets i nto your eyes or on y our h ands, it may ca use loss of sight or fro stbite. Do not touch th e refrigerant. Never lo osen any part of th e refrigerant c ircuit. Do not bring any f lame close t o any poin t where t he refrigerant gas is leaki If ther e is a lack of re performance wil When operatin l be g the poor. coole bubbles in t condenser u he nit sight glass receiver.

No b ubbles i n refrigeran t flow: (bubbles pass continuously): Lack of refrigeran Colorless , transparent: N o refrigeran REMAR When t here are bubbles, th e refrigeran t gas level is low , so contac t your Komat su distributors to hav e refrigeran added. If the air conditione r is ru n with t he r efrigerant ga s leve l low, it will cause damage to the comp Inspection During Off Seas on Even d uring the off-season , operate the air c onditioner fo r 3 to 5 minutes once a month to maintain the oil film at al parts o f the compressor.