Disassembly And Reassembly Of 1/2 Reducer - Robin America DY30 Service Manual

12-3 DISASSEMBLY and REASSEMBLY of 1/2 REDUCER
1 2 - 3 - 1 DISASSEMBLY SEQUENCE
Length
of
the bolt indicates the length from the bold head bottom surface
to
the threaded end.
*SW
=
Spring washer
Procedures
Main Item to be
disassembled
Se-
quence
1
2
Remarks
Bolts, etc. Used
Replace the gasket with
a new one.
8mm hexagonal bolt
Opposite side:
13
mm
Drain the gear oil. The oil drain plug is located
under the gear case cover.
Remove the clamping
bolt from the adaptor.
~~ ~~
8
mm bolt
- -
4
pcs.
I
8
mm
x 6 5
bolt
- -
4
pcs.
3
Remove the 1/2 reducer
assembly from the
engine.
Remove the clamping 10
mm bolt
- -
4
pcs.
bolts from the coupling.
Remove the clamping
7
bolts on the gear case
bolts
of
the gear case. surface.
Remove the O-ring
of
the input shaft.
4
Be careful not to lose
8 x 40 7T
bolt
- -
6 pcs.
Be carefult not to lose the
4 pcs.
the packing.
10 mm x 30 9T bolt
- -
sws.
8 x 50
7T
bolt
- -
1
pce.
with SWs
7
Wind vinyl tape around
the input/output shafts.
Cover whole surface of the
shafts to protect the
o i l
seal.
8
Separate the gear from
the adaptor.
Hold the output shaft and
strike the adaptor with a
wood hammer or a plastic
hammer, and then separate
the gear case from the
adaptor. Don't insert a
driver between the
mating faces.
I f
inserted,
they may be damaged.
I
"
Pull out the gear
assembly from the
case.
Disassemble the input Separate the gear from
shaft assembly.
the bearings.
9
10
Pull out the bearings by
using a gear puller or a
press.
Disassemble the
P.T.O.
shaft assembly.
Separate the gear and
the bearings from the
P.T.O. shaft.
Pull out the bearings by
using a gear puller or a
press.
1 1
I
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51
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