QF1200S; edition 2016-05; page 17 of 24
4.2.2. Assembly of the ring drive unit
Pay attention to the following torque values:
Image 8: Bolts pump chamber 10 Nm (7.4 lb-ft)
Image 9: Bolt clamping ring 6 Nm (4.4 lb-ft)
gap 1.5 mm (0.079
– 0.118 inch)
11.
Turn the pump chamber until you see
the screw of the clamping ring and fix it
with 5mm hex key with a torque value
of 6 Nm (4.4 ft-lb).
After the installation of the
pump head (figure 10),
between both coupling
halves has to be a gap of
1.5 mm (0.079 – 0.118 inch)