Landia POP-1, Manual

Page: 80 / 127

AB01A.C01
Service instruction POPL-I
Page 7/8
Prepared by: AJ/CML Issued on: 01 March 1997
Approved by: SL Rev. date: 12 March 2021
Disassembling/assembling the unit
Note: a major repair should take place at a special workshop.
Below please find some general conditions regarding disassembling/assembling of Landia mixer type POPL-I.
The drawing attached to the spare parts list shows the construction of the unit. Not all parts can/should be dismantled,
e.g. do not press the rotor off the shaft.
When disassembling the unit handle the mechanical seals with care as they are not shock resistant.
Prior to reinstallation all sealing surfaces must be cleaned, all O-rings must be checked and changed, if necessary.
Adhesive substance (e.g. Loctite) must be applied on all bolt joints. All bolts are tightened with a tightening torque
acc. to the table below.
Bolt sizes Quality 10.9
– 12.9
Steel
Quality A4-80
St. steel
M6 14 Nm 10 Nm
M8 34 Nm 24 Nm
M10 67 Nm 48 Nm
M12 115 Nm 82 Nm
M16 160 Nm 137 Nm
M20 200 Nm 180 Nm
M30 620 Nm 620 Nm
Note
End cover, oil chamber and gear must be turned clockwise as much as possible, seen from the end of the propeller,
in order to balance the margin in the bolt holes before the final tightening of the bolt.
Be careful not to over tighten the screws on the hub cover. Do not use neither torque wrench nor adhesive substance
here.
After installing the bearing flange, check the axial space as stated in the table below.
Motor series Acceptable margin
ms 90 0,7 ± 0,05 mm
ms100 0,9 ± 0,05 mm
ms112 1,0 ± 0,05 mm
ms132 1,0 ± 0,05 mm
A. Bearing flange