R
epair
5) Remove Switch lever A with Compression spring 5, Switch lever C with Rod and Link, and Switch from Housing L.
(
Fig. 12
) (The position of Switch interferes with disassembly of Lifter section.)
6) Remove Lifter section from Housing L. (
Fig. 13
)
Note
: Lifter section of UH5580, UH6580 and UH7580 is different from that of UH4570, UH5570 and UH6570.
Enlarge the distance between Pin holder and Cap holder using 1R003 with 1R212, and keep Compression spring 5
compress to separate the bottom end of Pin 5 from the hole of Gear housing. See
Fig. 14
for the detail.
7) After removing Brush holders, separate Armature ass’y, Field ass’y, Lever and Gear housing as a assembled part from
Housing L. (
Fig. 15
)
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Motor, Switch and Power supply cord (cont.)
P
4
/
7
Fig. 12
Fig. 14
Fig. 15
Fig. 13
DISASSEMBLING
Housing L
Switch lever A
Switch lever C
Rod
Switch
Pins of
Housing L
Compression
spring 5
Link
Lifter
section
Lifter
section
1R003
Pin holder
Pin holder
Cap holder
Compression spring 5
Compression spring 5
The bottom end
of Pin 5
Brush holders
Gear housing
Pin 5
When the bottom end of Pin 5 penetrates the hole of Gear
housing, Lifter section can not be removed without difficulty.
Because a part of Lifter section often interferes with ribs of
Housing L.
Gear housing
Gear housing
1R212
1R003
1R212
Cap holder
Enlarge the distance between Pin holder and Cap holder
using 1R003 with 1R212, and keep Compression spring 5
compress, and Lifter section will be pulled out from the
hole of Gear housing as illustrated by black arrow.
Lever
Armature ass’y
Field ass’y
