7-69
M4GF-07-006
M4GB-07-176
ZW180
ZW180
NOTE: ZW220 and ZW250: When genuine Hitachi long-life
coolant is used, change the coolant every two years
4000 hours whichever comes first.
1. Park the machine on solid level surface. Lower the bucket
on the ground. Stop the engine
2. Turn the parking brake switch ON. Set the neutral lever
lock in the LOCK position.
3. Block the front and rear frames with the articulate lock
bar.
4. Remove radiator cap (1). Open radiator drain cock (2) and
engine water jacket drain plug (3) to completely drain
the coolant. Remove impurities such as scale at the same
time.
5
M4GB-07-085
ZW220, ZW250
M4GB-07-080
ZW220, ZW250
M4GB-07-084
ZW220, ZW250