⑤ Hand rotate Oval rotors (2) to see their freely
rotation.
Thoroughly clean Oval rotors, measuring
chamber and end plate in suitable cleaning
oil, using care to keep dust and other foreign
particles out. At assembly, make sure that
the rotors are engaged with their match
marks in alignment as shown in the
inset.
(1) Disassemble according to Steps ① and ② in
“Wetted Parts Disassembly and Inspection.”
(2) Hand rotating the gears to ensure that the
turning effort is transmitted to the driving
magnet assembly (5) and the following magnet
assembly (9) without any problem.
(3) Cylinder (6) is press tted in place.
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