Makita HK0500 Technical Information page 11

Rod :
Inside of attaching hole
O Ring case:
All around both inner/outer
diameters of O Ring
Oil seal 15
Oil seal 30
Tool holder:
All around the part shown
in the illustration.
2. Where MAKITA Grease R No.1 is to be applied
Spiral bevel gear 41: Teeth surface
3. Where MAKITA Grease N No.2 is to be applied
Tool holder: Pin hole,
Steel ball hole