Owner's Manual

MT-40
[RS5F70A]
INPUT SHAFT AND GEARS
SYNCHRONIZERS
● Check spline area of coupling sleeves, hubs and gears for wear
or cracks.
● Check baulk rings for cracks or deformation.
● Check insert springs for wear or deformation.
● If any crack, damage, or excessive wear is found on cam face of
baulk ring or working face of insert, replace it.
● Measure the movement (free play in dimension “L”) of 3rd & 4th
coupling sleeve with the end fixed and the other end lifted as
shown in the figure. If the movement exceeds specification,
replace the sleeve.
● Measure clearance between baulk ring and gear. Refer to MT-
61, "Clearance Between Baulk Ring and Gear" .
SMT637A
SMT867D
Coupling sleeve Dimension “L”
3rd & 4th 0 - 0.95 mm (0 - 0.0374 in)
SMT841D
SMT140