07/03 Page 38
Hy~Line and Ultima Lobe Pumps
j) Assemble gear cover (11) to bearing
housing (1), using new gasket (9), new
rear oil seals (20) and gearcover screw
seals (19). Be careful not to damage
the lip seal on the drive shaft keyway.
k) Ensure vent plug (12) is at highest
point, the sight glass (13) on the side of
the cover and the oil drain outlet is at
the lowest point and sealed with a
suitable thread sealant.
l) Re-fit seal housings if removed,
rotorcase, seals, rotors and end cover
as described in section 6. Remember to
check rotor clearances (see section
6.11).
m) Fill gearbox with the correct grade and
quantity of oil. (see section 3) This
should be to the centre of the sight
glass (13).
Some oil may be retained in the sight
glass and will give a false impression of
the oil level. Be sure that the sight glass
is full of oil to its centre.
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