KE-2050/KE-2060, KE-2050R/2055R/KE-2060R Maintenance Manual
1-6
1-1-3. Timing Belt YM
(1) Detach the pulley cover.
(2) Remove the timing belt YB. (See section 1-1-4.)
(3) Loosen the SL6061492TN fixing the Y-motor assembly.
(4) Loosen the SM6041202TN to loosen the tension of the timing belt YM.
(5) Loosen the SL6064092TN to detach the YM-bracket assembly.
(6) Loosen the SL6063592TN to replace the YA-pulley bracket assembly.
(Replacement of only the timing belt YM is not allowed. Always replace the YA-pulley bracket
assembly as a set.)
(7) Reassemble the components in the reverse order of disassembly. Then adjust the tensions of
the timing belts YM and YB. (See the adjustment procedure on page 1-8.)
YA-pulley bracket
assembly
Timing belt YM
(From the rear side)
Y-axis frame
YM-bracket
assembly
SM6041202TN
(From the rear side)
Y-motor
assembly
Figure 1-1-3-1
Rev. 2.00