P
3
/
8
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Armature, Spiral bevel gear (small), Ball bearing 6201DDW, Ball bearing 6000DDW
DISASSEMBLING
Fig. 2
Separate Gear housing complete
from Motor housing complete
together with Armature assembly.
Separate Bearing box from Gear
housing complete by removing
four M5x16 Hex socket head bolts.
Carbon brush
Armature assembly
Bearing box
Gear housing complete
Motor housing
complete
5x35 Tapping screw (4pcs.)
Brush holder cap
Locking M7 Hex nut with wrench,
turn Armature clockwise by hand.
Wrench for locking M7 Hex nut
M7
Hex nut
Armature can be pulled off.
Do not lose M7 Hex nut.
Small spiral
bevel gear
M7 Hex nut
Armature
Fig. 3
Note
If the work is very difficult due to the seizing
of Small spiral bevel gear, spray lubricant
between Armature shaft and Small spiral
bevel gear. And then turn and pull Armature
while holding Small spiral bevel gear with
pliers and a cloth.
Remove Retaining ring (INT)
R-32 with 1R005 from Gear
housing complete.
Fig. 4
Fig. 5
Retaining
ring (INT)
R-32
Assemble Armature assembly and Small spiral bevel gear. Tighten
M7 Hex nut provisionally by turning clockwise. (Refer to
Fig. 3.
)
Ball bearing 6201DDW can be
removed together with Armature
by tapping the end of Gear housing
complete with a plastic hammer.
Felt ring 16 can be removed
together with Armature.
Remove Carbon brushes. And then,
remove four 5x35 Tapping screws.
Ball bearing 6201DDW
M7 Hex nut
Small spiral
bevel gear
(1) Disassemble Armature assembly and Small spiral bevel gear as illustrated in
Figs. 2
and
3
.
(2) Disassemble Ball bearing 6201DDW as illustrated in
Figs. 4
and 5
.
M5x16 Hex socket
head bolt (4pcs.)
(3) Disassemble Armature section as illustrated in
Fig. 6
.
Remove M7 Hex nut and Small spiral bevel gear again. Ball bearing 6201DDW can be removed by hand.
Remove Rubber ring 26 from Ball bearing 6000DDW by hand.
Insert the jaws of 1R269 between Ball bearing 6000DDW and Insulation washer, and remove Ball bearing 6000DDW.
Fig. 6
Ball bearing 6000DDW
Ball bearing
6201DDW
Note
: Do not mistake the directions of
Insulation washer and Rubber ring 26
when setting them in place.
Fan 80
Small spiral bevel gear
Felt ring 16
M7 Hex nut
Ball bearing 6201DDW
Rubber ring 26
Insulation washer