MAINTENANCE
7-68
Change Coolant
--- twice a year (in spring and autumn)
f
NOTE: When genuine Hitachi Long-Life Coolant (LLC) is
used, change interval is once every two years (in autumn
every other year) or every 2000 hours, whichever comes first.
d
CAUTION: Do not loosen radiator cap (1) until the
system has cooled. Hot steam may spout out, possibly
causing severe burns. Loosen the cap slowly to the
stop. Release all pressure before removing the cap.
IMPORTANT: Use fresh water or normal tap water as a
coolant. Do not use strong acid or alkaline water. Use
the coolant with genuine Hitachi Long-Life Coolant
(LLC) mixed by 30 to 50 %.
ZX30U-5N,35U-5N
ZX50U-5N,60USB-5N
1
1
MADB-07-029
MADB-07-028
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