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OMI.EN-PCP001 R01 (Funct. and Maint.Manual n.03 – Fourth edition) Pag.34
9.4.4 Oil seal for worm gearmotors (TEN7)
9.4.4.1 Disassembling / re-assembly
1. To disassemble with pump in horizontal position, be careful to keep the
transmission shaft upright, aligned with rotor.
2. Remove the motorization unthreading from the supporting studs.
3. Remove circlip (71); softly hit the male shaft using a plastic hammer following the
body pump direction till the bearing (74) come out from the male shaft (be careful to
keep straight and not superimposed).
4. Remove the hexagonal head screws and the oil seals from the housing (53) and
replace them.
5. To reassemble with pump in horizontal position, be careful to keep the transmission
shaft upright. Softly hit the rotor using a plastic hammer by the outlet flange’s side,
till to set the correct position of the male shaft.
6. Follow the previous operations on the contrary way to reassembling.