444CEMM1 - 第140页

Page 1-78 444C-E-MMA01-A09-04 Check Every 6000 Hours (Once a Y ear) 6. T urn 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. …

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Page 1-77
REGULAR
MAINTENANCE
1
444C-E-MMA01-A09-05
Check Every 6000 Hours (Once a Year)
3. Press Address .
4. Display “63. AstFront tape cutter
Open”, and turn it ON.
∗ If the cover of the cutter parts is not closed, it is
impossible to operate. (No.64 should be OFF)
5. Release the air pressure inside the
machine.
Close the main air valve.
Pull up the regulator knob, and turn it to the left
until it stops.
Make sure the exhaust sound disappears and
the gauge shows 0 MPa.
Lock the valve lever. A worker should carry the
key. (DU/DHU only)
4H4C-513P
444C-EEn-MaOc-015
To the next page
4
1
2
3
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
R
E
L
E
A
S
E
T
R
I
P
O
F
F
O
N
R
E
S
E
T
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.