Bitzer CS.65 Інструкція з технічного обслуговування - Сторінка 7
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6 Special screwed connections inside the
compressor
Assess the risk of conversion and take appropriate
measures before any intervention into the compressor.
Before re-commissioning: Test the compressor de-
pending on the risk assessed for pressure strength and
tightness or for tightness only.
6.1 Pressure relief valve
Size
3/4-14 NPTF
This valve vents from the pressure side (HP) to the
suction side (LP) inside the compressor if the HP pres-
sure exceeds the maximum allowable pressure.
6.2 SPI sensor
60 Nm, thread at sensor body. Mount with aluminium
gasket.
The SPI (slider position indicator) is mounted at com-
pressors starting at sizes HS.95, OS.95 and CS.105.
6.3 Connecting flange of FI cooling plate with
CSV.
Size
M6
This tightening torque is only valid for a cooling plate,
that is fixed with three screws.
6.4 Set screws at shaft seals
Size
M5
M6
M8
6.5 Locking screws of grooved nuts on shafts
The locking screws are set screws or cheese-head
screws depending on compressor design.
Size
M4
M6
M8
SW-100-8
15 .. 20 Nm
16 Nm
3 .. 5 Nm
5 .. 9 Nm
10 Nm
3.5 Nm
3 .. 5 Nm
5 .. 9 Nm
6.6 Fixing of electrical motor
The rotor of the electrical motor is fixed to the male ro-
tor shaft.
Central screw at shaft end
Size
M10
M16
①: Use only screws with Loctite or Precote85 coating.
Grooved nuts at the shaft
Size
M40 x 1,5
M50 x 1,5
6.7 Capacity control
Thread at piston rod
Size
M12
M16
M20
M25
Coat thread with Loctite 648 and tighten with calibrated
torque spanner to indicated torque.
Fixing at piston or piston rod
Size
M10
M16
M16
Tighten with calibrated torque spanner to indicated
torque.
①: only for CS.7551, CS.7561 and CS.7571.
15 .. 20 Nm
15 .. 20 Nm ①
15 Nm
15 Nm
40 Nm
100 Nm
150 Nm
220 Nm
40 Nm
100 Nm ①
150 Nm
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