00195655-04_SM_X-Series_FSE_en - 第71页
Service Work 3.3.11 Fitting and Removing the Y Axis Bumper Gantries Service Manual (internal ver sion) SIPLACE HF and X Series 71 Removal for X4I Installation ► Remove the relevant changeover ta ble from the ma - chine. …

Service Work
Gantries 3.3.11 Fitting and Removing the Y Axis Bumper
70 Service Manual (internal version) SIPLACE HF and X Series
3.3.11
3.3.11 Fitting and Removing the Y Axis Bumper
Fitting and Removing the Y Axis Bumper
Parts and equipment
Removal for X-Series and D3
► Remove the relevant changeover table from the machine.
► Loosen the coated fastening screws on the Y stopper and remove them.
CAUTION
Procedure
The four fastening screws on the Y stopper need to be tightened with the corresponding angle
disc, using a special procedure (angle-controlled tightening method). This procedure is re
-
quired to ensure that the tightening torque is achieved with the necessary precision.
Once the screws have been tightened for the first time, these may not be loosened again, as
the angle-controlled method brings the screws to their stress yield point.
If the screws are loosened and retightened, there is no guarantee that the tightness will be suf
-
ficient. In a worst case scenario, the screws may break when retightened.
If you need to loosen the screws, use new screws afterwards.
► Do not tighten using the torque key!
▪ Angle disc [03065367-xx] (1)
▪ 4 fastening screws (DIN912-M6 x 40-12.9, geomet
321 plus VL) [03060046
-
xx] (2)
CAUTION!
When replacing or dismantling the Y axis bumpers, al
-
ways use new screws!
▪ Red screw locking varnish
▪ Standard tools
CAUTION
Take care not to lose the washers and friction springs.

Service Work
3.3.11 Fitting and Removing the Y Axis Bumper Gantries
Service Manual (internal version) SIPLACE HF and X Series 71
Removal for X4I
Installation
► Remove the relevant changeover table from the ma
-
chine.
► Undo and remove the two screws fastening the bot
-
tom cover (1).
CAUTION!
Take care not to lose the screws etc..
► Undo and remove the two screws fastening the upper
cover (2).
► Loosen the coated fastening screws on the Y stopper
and remove them.
CAUTION!
Take care not to lose the washers and friction foils.
All the Y stoppers marked black in the diagram need to
be fitted with the help of the angle disc.

Service Work
Gantries 3.3.11 Fitting and Removing the Y Axis Bumper
72 Service Manual (internal version) SIPLACE HF and X Series
► Tighten the four screws fastening the stopper with a torque of 3Nm.
1. Y stopper
2. Fastening screws with washers
3. Friction foils
► Place the friction foils (3) between the stopper and
machine base, at the angle shown in the diagram.
Observe the asymmetrical drillings on the friction
foils. Screw the stopper loosely on the machine base
with the washers and the new screws (2).
CAUTION!
Make sure that you always use new screws. Do not use
the old screws as these could break!
► Fit the torque key together with the extension, rotary
angle disc and a screwdriver bit for hexagonal sock
-
et-head screws (size 5), as shown in the following di
-
agrams. Set a torque of over 20 Nm, as the expected
torque after tightening the angle disc will be approx.
18 Nm.
NOTICE!
You can also use a conventional ratchet as only the angle
is important for correctly tightening the screws.