TOHATSU BFT75A - Vertical Shaft Inspection; Clutch Shifter Inspection

16-45
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GEAR CASE
VERTICAL SHAFT INSPECTION
VERTICAL SHAFT O.D.
(At needle bearing)
Measure the O.D. of the vertical shaft where the needle
bearing [1] rides.
If the measurement is less than the service limit,
replace the vertical shaft with a new one.
VERTICAL SHAFT RUNOUT
Support each journal with V-blocks as shown.
Set the dial indicator and measure the vertical shaft
runout while turning the shaft.
If the measurement is out of the standard, replace the
vertical shaft with a new one.
CLUTCH SHIFTER INSPECTION
Check the clutch parts [1] on both the forward and
reverse sides for wear and damage.
STANDARD: 28.566 – 28.575 mm
(1.1246 – 1.1250 in)
SERVICE LIMIT: 28.545 mm (1.1238 in)
[1]
STANDARD: 0.30 mm (0.012 in) or below
*1: LRT/LHT/LHG type
*2: XRT type
*1: 359.5 mm (14.15 in)
*2: 447.5 mm (17.62 in)
124 mm
(4.9 in)
*1: 570 mm (22.4 in)
*2: 684 mm (26.9 in)
[1]