Appendix: Disassembly of Flat Key and Oil Sealing
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Appendix: Disassembly of Flat Key and Oil Sealing
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Removal of the motor flat key
Standard MS1 series motors in frame sizes 60, 80, and 130 adopt C-type flat keys. All the
flat keys carry holes for easy key removal. To take the flat key out, select a proper bolt
(inner hexagon bolt recommended) and an Allen wrench to screw down the bolt until
the A-A end of the flat key is completely detached from the keyway, as shown below.
Key removal hole
M3 bolt for key removal
Specifications of bolts for key removal
MS1 Motor Specifications
Dimensions of Flat Keys
Specifications of Bolts (Inner
Hexagon Bolts) for Key Removal
Frame size 40
A-type flat key - A3x3x14
No key removal hole
Frame size 60
C-type flat key - C5x5x16.5
Length above M3X10
Frame size 80
C-type flat key - C6x6x25
Length above M3X15
Frame size 100
C-type flat key - C8x7x35
Length above M3X20
Frame size 130
C-type flat key - C8x7x35
Length above M3X20
Frame size 180
C-type flat key - C10x8x64
Length above M3X20
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Removal of motor oil sealing
Tools needed: a needle-nose plier, a pair of slip-proof gloves, and a piece of cotton cloth
Operating steps:
1) Put the cotton cloth on the support point B to avoid end cover scratches during
removal.
2) Secure the motor and use the needle-nose plier to hold point A of the oil sealing
lip.
3) Pry the oil sealing out Frame Sized on the support point B.
#
（Point B acts on the shaft extension stairs)
"
（Point A acts on the oil sealing lip）
