444CEMM1 - 第141页
Page 1-79 REGULAR MAINTENANCE 1 444C-E-MMA01-A09-04 Check Every 6000 Hours (Once a Y ear) 4H4C-518P Exclusive tool Movable blade 4H4C-519P For movable blade For fixed blade 4H4C-520P Fixing bolt T o the next page 10. Rem…
Page 1-78
444C-E-MMA01-A09-04
Check Every 6000 Hours (Once a Year)
6. Turn OFF the power.
∗ Lock the main switch. A worker should carry
the key. (DU/DHU only)
7. Remove the 4 fixing bolts, and re-
move the chute.
8. Remove the cover positioning bolt of
the fixed blade, and set the bolt for
lifting (See the below picture).
Bolt for lifting
The bolt for lifting is attached to the jig for
maintenance.
9. Remove the fixing bolt by using the
exclusive tool.
Exclusive tool
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444C-512P
4H4C-501P
Fixed blade
Movable blade
Cover positioning bolt
4H4C-515P
4H4C-516P
4H4C-517P
Chute
To the next page
444C-457E
Page 1-79
REGULAR
MAINTENANCE
1
444C-E-MMA01-A09-04
Check Every 6000 Hours (Once a Year)
4H4C-518P
Exclusive
tool
Movable
blade
4H4C-519P
For movable
blade
For fixed blade
4H4C-520P
Fixing bolt
To the next page
10. Remove the fixed blade holding the
bolt for lifting.
11. Remove the bolt for lifting from the
fixed blade, set it to the movable
blade. (See the picture 1 on the left)
12. Remove the fixing bolt by using the
exclusive tool.
∗ Take care not to drop the blade when removing
the last bolt.
13. Remove the movable blade holding
the bolt for lifting.
14. Set the blot for lifting to the new
movable blade.
15. Insert the movable blade holding the
bolt for lifting.
16. Set the fixing bolt, and tighten it
lightly.
∗ Take care of the length of the bolt.
Page 1-80
444C-E-MMA01-A09-04
Check Every 6000 Hours (Once a Year)
To the next page
17. Press the movable blade against the
spring pin on the front side.
∗ At this time, take care not to touch the blade
parts.
18. Tighten the fixing bolt by using the
exclusive tool.
19. Remove the bolt for lifting.
20. Set the bolt for lifting to the new fixed
blade.
21. Insert the fixed blade holding the bolt
for lifting.
22. Set the fixing bolt, and tighten it
lightly.
23. Press the fixed blade against the
frame on the inner side.
∗ At this time, take care not to touch the blade
parts.
24. Tighten the fixing bolt by using the
exclusive tool.
25. Remove the bolt for lifting, and set
the cover positioning bolt.
26. Apply grease to the fixed blade and
movable blade.
[Grease: Stamina Grease RL2]