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Installation and operating instructions for
Brake HS 165 FHM spring activated
–
hydraulically released
E 09.778e
Issue: 27.05.2021
Version: 3
Drawn: BAHS
Checked: EISF Pages: 28
Page: 11
3. Position the screws M30 class 8.8 for caliper to the basement connection.
The tightening torque (Cs) which has to be applied on the screws M30 class 8.8 rows for each
nut is:
Cs = 1200Nm ±10%
with greased screws
.
Brake HS 165 FHM-420 R-V 8 screws M30 class 8.8
Brake HS 165 FHM-420 L(R)-H 6 screws M30 class 8.8
Important!
Check the tightening torque
4. Check, after having tightened to torque, that the whole part has not moved.
2.3.4 Orientation of the piston heads
If the caliper stands on a horizontal support, the orientation of the piston heads is not important.
For other positions, the piston heads must be oriented: Bleed screw 11271-17 on top Fig. 2.5
and connecting plug on bottom, in a vertical plan
30°. For more information, please contact
RINGSPANN.
2.3.5 Hydraulic connection
Important!
Opening pressure: 230bar
MAX PRESSURE: 250bar
For an ambient temperature range from 0 through 60°C, recommended oil is ISO HM32. By
instance, RINGSPANN uses FUCHS RENOLIN EXTRA 32S.
Use a mineral oil with a viscosity range between 10 and 380mm²/s (optimal range between 12
and 100mm²/s) while allowing for the ambient temperature conditions
Important!
This oil must be clean
(maximum permitted level of pollution as per NAS 1638: 10µm).
Use only new fluid and never mix several types all brands of fluid.