60H5E11
6
Backlash indicator 4: 90890-06706
Forward gear backlash:
0.25 - 0.46 mm
(0.0098 - 0.0181 in)
4. Set the dial gauge onto the lower unit, and
fix it where the dial gauge plunger contacts
the mark B on the backlash indicator A.
S69J6655
5. Set the lower unit upside down.
Shimming / Backlash (regular rotation model)
6-32
Magnet base plate 5: 90890-07003
Dial gauge set 6: 90890-01252
Magnet base 7: 90890-06705
3. Install the backlash indicator onto the drive
shaft.
NOTE:
Backlash indicator shall be installed at practi-
cably the closest position to the lower hous-
ing.
6. Slowly turn the drive shaft clockwise and
counterclockwise, and measure the back-
lash based on the dial gauge readings
taken at the points where the drive shaft
stops in each direction.
S69J6655
NOTE:
While checking, turn the drive shaft lightly with-
out applying too much force.
Available shim thickness:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
Forward gear backlash M
Shim thickness(mm)
Less than To be decreased by
0.25 mm (0.0098 in) (0.36-M) x 0.72
More than To be increased by
0.46 mm (0.0181 in) (M-0.36) x 0.72
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