21
Place the rotor case face down on the table and pull out
carefully the Double seal body out of rotor case by hand shown
in Figure 18.
Lubricate the replacing double seal body or O-ring and insert it
into the rotor case and fit into the Seal pin properly.
See ‘Rotor Case Assembly’ (chapter 6.4) to continue.
Triple Lip Seal Maintenance
After the rotor case has been removed (Figure 5), pull out and
remove the Ceramic coated sleeves from the shaft and inspect
them. If any of them is damaged do not re-use and replace
them.
Clean both shaft ends and the rotor case before assembling.
Slide & insert the sleeves onto the shafts until they rest on the
shaft shoulder. Align the slot in the shaft sleeve to the drive pin
on the shaft.
Place the rotor case face down on the table and loosen the
wrench bolts and washers using appropriate wrench as shown in
Figure 20.
Pull the Lip seal out of the rotor case.
And insert the replacing NEW Lip seal, making sure the holes in
the seal to be lined up with the pins in the rotor case. Recap
and tighten the Lip seal gland with wrench bolts.
See ‘Rotor Case Assembly’ (chapter 6.4) to continue.
During the assembly of the rotor case onto the Gearbox, the Lip seal will cause a tight insert of the
shafts into the rotor case. Tap the rotor case using a soft mallet or fasten the Stud nut to make the
assembly easier.
Fig. 18
Fig. 19
Fig. 21
Fig. 20
