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Chapter 3 Removal and Replacement Procedures (RRPs)
Figure 3. Size Rack
Replacement
1) Put the hook on top of the RACK SIZE into the groove of the HOUSING EXTENSION 550 (PL 3.1),
and turn it in the opposite direction of the arrow.
2) Align the end of the RACK SIZE with the triangle mark printed on the HOUSING EXTENSION 550
(Figure 3), and install the RACK SIZE to the HOUSING EXTENSION 550.
When installing the RACK SIZE, be sure to pull out the GUIDE ASSEMBLY END 550 (PL
3.1) as far as it will go (NOTE 1) (Figure 3).
Use 6mm size of fixed screw. If 8mm size of screw is used, HOUSING EXTENSION 550
doesn't operate smoothly and LOCK EXTENSION 550 doesn't operate correctly.
3) Install the COVER EXTENSION (PL 3.1) to the HOUSING EXTENSION 550 using the 4 screws
(gold tapping, 6mm).
When installing, make sure the COVER EXTENSION is inserted under 3 claws of the
HOUSING EXTENSION 550 (NOTE 2) (Figure 2).
4) Install the HOUSING EXTENSION 550 and HOUSING TOP 550 (PL 12.3) to the HOUSING BASE
550 while pushing the LINK SW SIZE1-550 (PL 3.1), LINK SW SIZE2-550 (PL 3.1) and LINK SW
SIZE3-550 (PL 3.1) of the HOUSING BASE 550 outward (Figure 4).
Be sure to put 2 claws that on the top of the PLATE ASSEMBLY BTM under the hooks on
the HOUSING TOP 550 (NOTE 3) (Figure 1).
5) After assembling the HOUSING TOP 550 to the HOUSING BASE 550 using the 4 hooks, secure
them using the 2 screws (gold tapping, 8mm) on both right and left sides, as well as the 6 screws
(gold tapping, 8mm) on the back.
RACK SIZE
(PL4.1.40)
JG3021AB
GUIDE ASSY END 550
NOTE 1
(PL 3.1.40)
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