
31
BAS-311E.311EL.326E.326EL
Chapter 3. Assembly
4. Feed mechanism (X axis) 311E
1. Fit the ball bearings
q
on X-pulley bracket L, and pass
the X-timing pulley shaft
w
from the front of X-pulley
bracket L through timing pulley A
e
, X-timing belt B311
r
, X-timing pulley B326
t
, and X-timing belt A326
y
.
Place the two retaining rings
u
on both ends of the X-
timing pulley shaft
w
by pressing them against the ball
bearings
q
, adjust timing pulley A
e
so that there is no
looseness in the X-timing pulley shaft
w
, and secure it
using the set screws.
2. Secure X-timing pulley B326
t
on the screw flat using
the set screw.
3. Loop the X-timing belt B
i
around timing pulley (B)
!1
.
Pass X-pulley shaft (B)
!0
through timing pulley (B)
!1
,
and the micro bearing
!2
. Secure them to the X-pulley
base B
o
using the retaining ring
!3
.
4. Place timing pulley (B)
!1
at the middle of X-pulley base
(B)
o
, then tighten the two set screws
!4
.
!4
o
!1
r
w
u
e
y
t
!2
!3
!2
i
!3
q
e
t
o
!1
!0
q