Hitachi EX 3600-6 Operator's Manual page 259

3. Maintenance
1. Drive wedge (4) using a hammer again after op-
erating 2 to 4 hours.
2. Drive wedge (4) every morning for the first week
of operation.
3. Drive wedge (4) once a month from the second
week.
4. Cut the projected part using gas when the lower
end of wedge (4) projects from the bottom sur-
face of point (1).
5. Replace the wedge (4) with oversize wedge
110W (4202527) when its top is flush with the
2
upper surface of point (1).
6. When wedge (4) tends to come out of point (1),
apply spot welding to wedge (4) and spool (3) af-
ter driving the wedge in point (1).
NOTE: When installing new point and shroud (5), re-
move the hooks attached to them using gas.
MAINTENANCE
7-120
1
4
5
3
M145-07-037