P 9/20
Repair
[3]DISASSEMBLY/ASSEMBLY
[3]-5. Air Motor Section
DISASSEMBLING
4)Disassemble Air motor section and remove Rotor and Upper drum cap as described in Fig. 16.
5)Rotor can be disassembled as described in Fig. 17.
Fig. 16
Remove Outer separator, Inner separator and Spur gear 21 from Air motor section.
Outer separator
Inner separator
Upper drum cap
Air motor |
|
section | Drum |
Lower drum cap
Spur gear 21
Remove O rings from Outer separator and Inner separator.
O Ring 45
Outer separator
O Ring 31.5
O Ring 17
Inner separator
O Ring 16
Remove Rotor by tapping the
Upper drum cap
Rotor
Drum
Lower drum cap
In this step, Ball bearing 689ZZ still remains in Lower drum cap.
Fig. 17
Damaged or worn Blades can be replaced in this step.
Note: Five Blades have to be replaced simultaneously.
Blade
Rotor
Remove Rotor from Upper drum cap using 1R045 and 1R346.
In this step, Ball bearing 689ZZ still remains in Upper drum cap.
Upper drum cap
Ball bearing 689 ZZ can be removed from Upper drum cap using Rotor as illustrated below.
Hexagonal end of Rotor shaft 
Rotor
Round end of Rotor shaft 
Ball bearing |
689 ZZ |
Upper drum cap 
O Ring 9 can be removed from the opposite side of Ball bearing 689ZZ.
1R045 1R346
O Ring 9 