Bottom Assy - Mitsubishi Electric HS-U449 Service Manual

2-3. BOTTOM ASSY

SET POSITION : Normal
Remove the following part before replacing the BOTTOM
ASSY. Refer to the corresponding item to install it.
• STAY PLATE (Item 2-2)
(Removal)
1. Move the WORM WHEEL in Fig. 2-3-1 in the direction
shown by arrow A. And match the boss (a) of the
BOTTOM ASSY with the hole in the MAIN PLATE
ASSY.
2. Lift the BOTTOM ASSY in Fig. 2-3-1 in the direction
shown by arrow B and remove in the direction shown
by arrow C.
(Installation)
1. Apply grease (MULTEMP AC-DM)[859D055O90] to
the grooves of the MAIN PLATE ASSY shown in Fig.
2-3-2.
2. Apply grease (MULTEMP AC-DM)[859D055O90] to
the bosses of the BOTTOM ASSY shown in Fig. 2-3-
2.
3. Rotate the WORM WHEEL shown in Fig. 2-3-1 so that
the ARM (SP) stands vertically.
4. Insert the boss (b) of the BOTTOM ASSY shown in
Fig. 2-3-2 in the upper groove of the MAIN PLATE and
the boss (c) in the lower groove.
5. Insert the boss (d) of the BOTTOM ASSY to the
upper groove through the hole in the MAIN PLATE
ASSY shown in Fig. 2-3-1 and the boss (e) to the
lower groove through the slot in the ARM (SP).
Hole in MAIN PLATE ASSY
Lift
B
ARM (SP)
MAIN PLATE ASSY
Groove of MAIN
PLATE ASSY
Side View
d
e
GREASE
(MULTEMP AC-DM)
ARM (SP)
- 3 -
a
C
BOTTOM ASSY
WORM WHEEL
Pull out
Fig. 2-3-1
Groove of MAIN
PLATE ASSY
Side View
b
c
GREASE
(MULTEMP AC-DM)
BOTTOM ASSY
Fig. 2-3-2
A
ARM (TU)