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Transmission steering boxes
Jefa BG12 and BG15 steering gearbox |
The Jefa BG12 steering box is used when a steering position is required
without the use of a standard pedestal. The mounting is done from the
inside of the pedestal. When mounting from the inside isn't possible,
one should use the "quick mount" version described below.
The BG12 steering box has a 1:1 gear ratio, when more turns of the
wheels are required, one should use the step ratio gearbox BG15 with a
reduction of 1,2:1. The BG12 & BG15 are standard equipped with a high
efficiency friction brake.
Please click on the picture for a larger view.
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Jefa transmission steering
bevel gearboxes |
Part No. |
Description |
BG12
|
10 series 2-way bevel gearbox with
steering shaft and brake |
BG15
|
10 series 2-way bevel reduction gearbox
1.2:1 with steering shaft and brake |
Jefa BG12QM "quick mount" steering gearbox |
The Jefa BG12QM "quick mount" steering box is used
when the mounting has to be done from the outside of the pedestal our
bulkhead. A good example is the X43 steering as described in the
transmission system page. The installation order is as follows: A cut
out is made by using the inside profile of the stainless steel bracket
as template. The bracket is moved through the hole and glued to the
inside of the pedestal. The universal joint is attached to the gearbox
with the clamp and torque tube mounted. The complete assembly can be
entered through the hole and the bolts that holt the cover plate to the
stainless back plate can be mounted.
The BG12QM steering box has a 1:1 gear ratio, when more turns of the
wheels are required, one should use the step ratio gearbox BG15QM with a
reduction of 1,2:1. The BG12QM & BG15QM are standard equipped with a
high efficiency friction brake.
Please click on the picture for a larger view.
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|

|
 |
Jefa transmission steering
bevel gearboxes type "quick mount" |
Part No. |
Description |
BG12QM
|
10 series 2-way "quick mount" bevel
gearbox with steering shaft and brake |
BG15QM
|
10 series 2-way "quick mount" bevel
reduction gearbox 1.2:1 with steering shaft and brake |
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