65
SERIES J
Mounting of backstop
When using backstops in shaftmounted speed reducers
you have to consider among other things the limit of speed
and torque according to the following table.
Fig 2
ASSEMBLY
OF BACKSTOPS
Fig 1
Size
Backstop
Type
Max input
torque
Nm
Input speed
r/min
Min
Max
Tightening torque
(29:3)
J12
J22
J32
Nm
17
35
41
J 12
ASNU15EP
75
-
2400
J 22
ASNU17EP
112
-
2300
J 32
ASNU20EP
160
-
2100
J 52
ASNU30EP
500
-
1400
J 72
ASNU30EP
750
-
1200
J 100
RSCI40
1600
720
7600
J 110
RSCI45
1800
665
6600
J 125
RSCI50
2800
610
6100
J 140
RSCI60
4700
490
6100
J 160
RSCI70
6100
480
4500
J 190
RSCI80
9000
450
4000
Max input torque at the backstop is valid at 4,5 x 10 5 load
changes and must never be exceeded.
Direction of rotation for back stop is valid for double reduc-
tion gears. Look at reducer from input shaft side and
deter-
mine direction of rotation of output shaft sleeve, counter-
clockwise (BV) or clockwise (BH). See Fig 1.
Please state required direction of rotation when ordering
back stop reducer.
Instruction for backstop J12 - 32.
Assembly see fig 2
Operation temperature -30 °C to +100 °C.
I. Take out cover (14*) from standard reducer.
2. Fit the key (29:6) into the keyway between shaft (1*) and
back stop (29:7).
3. Mount the circlip into groove (29:5).
4. Determine direction of rotation for the back stop (29:7), fit
the back stop unit (29:6) into reducer housing push it
into close contact with the spacer ring (Direction of
rotation is changed if back stop is reversed).
5. Push the backstop bracket (29:2) into the reducer
housing and ensure that the two lugs locate with the
groove on the back stop.
6. Rub the mechanical joint discs (29:1) with oil.
NOTE:
OIL MUST NOT CONTAIN MOLYBDENUM-
DIFULSIDE
7. Fit the mechanical joint discs (29:1) into backstop
bracket (29:2).
8. Apply sealing compound on thread under screw head
(29:3) 5 mm width.
9. Fit the cover (29:4) with screws enough to adjust cover.
Tighten screws alternating until the required tightening
torque is reached.
Dismount see fig 2
1.
Dismount the screws (29:3).
2.
Dismount the cover (29:4).
3.
Dismount the mechanical joint unit by using the
three
screws (29:3) and tighten the screws against the
shaft end / backstop with equal load.
4.
Dismount the circlip (29:5).
5.
Pull out the backstop (29:7).
Do not clean before assembly.
*Acc to spare parts list.
0202
-
-
NO BACKSTOP
B V
COUNTER CLOCKWISE ROTATION
B H
CLOCKWISE ROTATION
Column 15 & 16 entries
Picture shows counter clockwise rotation (BV)
Output
shaft
Input
shaft
Summary of Contents for J 100
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