Technogym CROSS FORMA - Disassembling the Crank Belt

CROSS FORMA: Service & Maintenance Manual - rev. 2.1
Page 7.15
7.8. DISASSEMBLING THE CRANK BELT
Figure 7.8-1
Carry out the operations described in paragraph
7.6. “Disassembling the guards
”, only to
disassemble the guards on the side you need.
1. Back off the screw a using a 6-
mm hex
wrench, locking down the pin on the opposite
side with another 6-mm hex wrench.
2. Remove the pulley b
, which keep the belt
tensioned.
During reassembly, check the tension of
the belt acting on the eccentric pin of the
pulley “b” as detailed in paragraph 8.4.
“Crank belt tension”.
3. Back off the 5 grub screws c using a 5-mm
hex wrench.
During reassembly, lock down the screw
“a” using a torque wrench set for 20
Nm.
During reassemb
ly, lock down the grub
screws “c” using a torque wrench set for
16 Nm, in a cross pattern.
Figure 7.8-2
4. Use 3 of the 5 dowel pins c
to remove the
key from the shaft: when locked down into
the holes d they
function as an extractor,
causing the key to be pushed out.
5. Back off the screw e using a 5-
mm hex
wrench and remove the crank assembly from
the shaft.
During reassembly, lock down the screw
“e” using a torque wrench set for 30
Nm.
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