TOHATSU BFT75A Service Manual page 409

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CYLINDER BLOCK
Install the insert adjuster (special tool) [1] on the insert
pin [2].
Adjust dimension A to 45 mm (1.8 in) by turning the
insert adjuster.
TOOLS:
Piston pin tool set
Insert adjuster
Set the pilot collar 18 (special tool) [1] on the piston
base assembly [2].
While maintaining the clearance between the pilot collar
18 and the piston base head attachment [3] at 1 mm,
tighten the screws [4] to secure the piston base head
attachment.
After tightening the screws, remove the pilot collar 18
from the piston pin tool set.
TOOLS:
Piston pin tool set
Pilot collar 18
Set the piston assembly [1] on the piston base
assembly [2] with the model marks [3] facing up as
shown.
• Check that the piston base head attachment (special
tool) is set securely on the outer side from the piston
pin hole.
Apply engine oil to the outer surface of pilot collar 18
(special tool) [4].
Set pilot collar 18 on the insert adjuster (special tool) [5]
and drive the piston pin [6] out of the connecting rod
using a hydraulic press.
TOOLS:
Piston pin tool set
Insert adjuster
Pilot collar 18
15-8
07PAF-0010000
070AF-PWC0120
07PAF-0010000
070AF-PWC0130
[2]
INSERT PIN
07PAF-0010000
070AF-PWC0120
070AF-PWC0130
[6]
[2]
DIMENSION A
45 mm (1.8 in)
[1]
[2]
[1]
1 mm
[4]
[4]
[3]
INSERT PIN
[1]
[3]
1 mm
[4]
[1]
[2]
[5]
[4]