Epson DFX-8500 - Impact Printer, Service Manual

Page: 141 / 245

DISASSEMBLY AND ASSEMBLY
Rev. B
3-51
3.2.6.17 Front Tractor Assembly Removal
This section describes how to remove the front tractor assembly.
Step 1: Disconnect the connector white 3-pin front PE sensor from the connector junction board.
Step 2: Remove the connector junction board assembly. (Refer to Section 3.2.6.5.)
Step 3: Lay the mechanism on its back.
Step 4: Remove the screw securing the tractor wire holder to the left side frame and remove the holder.
Step 5: Loosen the flange nut securing the front tractor assembly to the left side frame by the left end,
and remove the tractor transmission gear.
Step 6: Remove the flange nut on the right side and remove the right tractor wire spring holder set.
Step 7: Remove the E-ring (6) securing the rear shaft of the front tractor assembly to the left side frame
and remove the shaft holder.
Step 8: Move the assembly to left to release the right end of the shaft, then release the left side of the shaft
from the left side frame and remove the assembly.
C B S ( M 4 X 8 )
T r a c t o r W i r e H o l d e r ( L )
C a r r i a g e
M o t o r
F l a n g e N u t
T r a c t o r
W i r e S p r i n g
T r a c t o r W i r e
H o l d e r ( R )
< L e f t > < R i g h t >
Figure 3-73. Tractor Wire Removal
S h a f t H o l d e r
E - r i n g ( 6 )
T r a c t o r A s s e m b l y ( F r o n t )
S h a f t H o l d e r
L e a f S p r i n g
W a s h e r
E - r i n g ( 6 )
T r a c t o r T r a n s m i s s i o n
G e a r
F l a n g e N u t
F l a n g e N u t
Figure 3-74. Front Tractor Assembly Removal
ADJUSTMENT REQUIRED
•
When you install the front tractor assembly, perform the tractor wire spring adjustment, as described
in Section 4.1.3.