Hitachi EX1900-5 Operator's Manual page 240

Manual Greasing
Connect hose (7) to coupler (6).
Move auto-lubrication toggle switch (1) to the MANUAL
position.
Apply grease using a grease gun. Refer to pages 7-22 to
7-30 of this manual.
After finishing greasing, disconnect hose (7) from cou-
pler (6), release grease pressure in hose reel (12) via the
grease gun.
NOTE: When manual greasing is selected, the auto-
lubrication indicator on the monitor panel will
come on. This is not abnormal.
MAINTENANCE
7-108
1
7
6
12
M18C-07-011
M141-07-017