TOHATSU BFT250A Service Manual page 503

dummyhead dummyhead
EXTENSION SEPARATOR STUD BOLT
REPLACEMENT (XXA type)
Remove the extension separator (page 16-8).
Thread two nuts onto the stud bolt (12 x 170 mm) [1]
and six stud bolts (10 x 170 mm) [2], and tighten them
together. Use a wrench to turn the stud bolt out.
Install new stud bolts into the extension case and
tighten them to the specified torque.
TORQUE:
STUD BOLT (12 x 170 mm):
22 N·m (2.2 kgf·m, 16 lbf·ft)
STUD BOLT (10 x 170 mm):
15 N·m (1.5 kgf·m, 11 lbf·ft)
After extension separator stud bolt installation, check
that the length from the bolt head to the extension case
surface is within specification.
SPECIFIED LENGTH: 170 mm (6.7 in)
GEAR CASE NEEDLE BEARING
REPLACEMENT
Remove
commercially available pliers [2] as shown.
Set the special tools on the needle bearing [1], and
place a shop towel [2] or equivalent material under the
needle bearing as shown.
TOOLS:
Driver, 280 mm [3]
Attachment, 37 x 40 mm [4]
Pilot, 30 mm [5]
Remove the needle bearing (30.5 x 47 x 37 mm) from
the gear case [6] using the special tools.
• Remove the needle bearing with care not to damage
the gear case.
the internal circlip [1]
07949-3710001
07746-0010200
07746-0040700
GEAR CASE (STANDARD ROTATION)
[1]
using suitable
[2]
Range of opening:
When the jaw opening
is 14.0 mm (0.55 in),
the handle opening
should be 80.0 mm
(3.15 in) max.
[5]
170 mm (6.7 in)
[2]
Range of opening:
9.0 - 18.0 mm
(0.35 - 0.71 in) min.
(Inside dimension)
[1]
90°
[3]
[4]
[1]
[6]
[2]
16-49