Servicing Points - Takeuchi TB 175 Handbuch

4.4.4 Servicing points

Point1: Oil pan
[Disassemble]
• Sealant is applied to the oil pan mounting surface on
the block. Carefully operate soas not to damage or
distort the bonding surface.
[Reassemble]
• Apply sealant (code No.977770-01212) before reas-
sembly.
Point2: Piston w/rod
[Disassemble]
• Measure the connecting rod side gap.
Standard
• Carefully remove the carbon deposit on top of the cyl-
inder so as not to damage the inner side of the cylin-
der.
• Set the piston at the BDC position and remove the
connecting rod cap. Then set the piston at the TDC
position, and push the connecting rod big end with
the wooden shaft of a hammer. Proceed carefully so
as not to cause the cylinder block catch the rod big
end. Set the rod caps and crankpin metals in their
correct combinations.
[Reassemble]
• Apply oil especially carefully to the sliding contact
surfaces of the pistons, rods and rings.
• Use the piston insertion tool (see 12.1-9 in Chapter
12) to insert each piston w/rod in the cylinder block
and install the bearing metal cap.
Rod bolt tightening torque
Model
3TNV82A
TNV84 to 88
4TNV94L•98
4TNV106(T)
Point3: mounting flange
[Disassemble]
Place the engine on a stable base with the cylinder
block upper surface facing down, and remove the
mounting flange carefully so as not to damage the
combustion surface.
0.20 to 0.40
N•m (kgf•m)
Standard (apply lube oil)
37.2 to 41.2 (3.8 to 4.2)
44.1 to 49.0 (4.5 to 5.0)
53.9 to 58.8 (5.5 to 6.0)
78.5 to 83.4 (8.0 to 8.5)
4. Disassembly, inspection and reassembly of engines
mm
91
Crankshaft
Thickness gage
Connecting rod side gap