Assembling Crankcase; Assembling Cylinder Head - TOHATSU TLDI 40 Service Manual

Assembling Crankcase

Degrease the mating surface of the crankcase.
Caution:
Insufficient degreasing will render sealant less
effective, resulting in oil leakage.
Apply sealant evenly over the mating surface on
the cylinder.
Sealant: Loctite #518
Apply evenly inside the bolt holes so that there are
no bare patches. Be careful not to apply too much.
Tap in knock pins at 2 locations on the cylinder; then
install crankcase.
Install by tapping with a plastic hammer to ensure
that there is an even clearance across the mating
face.
Install the crankcase bolts.
Tighten bolts in the proper order.
M8 partial torque: 12 to 15 N-m: 1.2 to 1.5 kg-m
: 9 to 11 Ib-ft
M8 full torque : 24 to 26 N-m: 2.4 to 2.6 kg-m
: 17 to 19 Ib-ft

Assembling Cylinder Head

Degrease all mating surfaces on cylinder, cylinder
head and head cover.
Install the following components.
Anode
Knock pins at 2 locations
Head gasket
Cylinder head
Head cover gasket
Head cover
Washer
Bolt
Tighten in two stages in the order of the embossed
numbers.
M6 partial torque : 2.0 to 2.9 N-m: 0.2 to 0.3 kg-m
: 1.5 to 2.1 Ib-ft
M6 full torque : 4.6 to 6.3 N-m: 0.4 to 0.6 kg-m
: 2.9 to 4.3 Ib-ft
M8 partial torque : 12 to 15 N-m: 1.2 to 1.5 kg-m
: 8.7 to 10.9 Ib-ft
M8 full torque : 29 to 34 N-m: 3.0 to 3.5 kg-m
: 22 to 25 Ib-ft
Replace with new one.
*
Replace with new one.
*
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