Kubota D1803-CR-E4, Руководство по ремонту

Страница: 250 / 309

cylinder head gasket (2) thickness to meet with
the top clearance refer to the "Selecting
cylinder head gasket".
• Before you replace the cylinder head gasket (2),
record the mark on the cylinder head gasket of
the engine.
Then replace a cylinder head gasket with same
mark.
NOTE
• Replace the cylinder head gasket (2) with a new
one.
• The cylinder head (1) should be free of
scratches and dust.
1. Install the cylinder head gasket (2).
NOTE
• When installing the gasket, set it to the
knock pin hole. Take care not to mount it
reversely.
• Take care for handling the gasket not to
damage it.
2. Install the cylinder head (1) and tighten to the
specified torque.
NOTE
• If reuse the cylinder head mounting screw,
apply the engine oil.
If use new cylinder head mounting screw, do
not need to apply the engine oil.
• Tighten the cylinder head mounting screw
gradually in the sequence of (a) to (n or r).
Tightening tor-
que Cylinder head
mounting screw
93.2 to 98.1 N ⋅ m
9.51 to 10.0 kgf
⋅
m
68.8 to 72.3 lbf ⋅ ft
(1) Cylinder head
(2) Cylinder head gasket
(A) Gear case side (B) Flywheel side
3. Install the exhaust manifold (3) and tighten to the
specified torque.
NOTE
• Replace the exhaust manifold gasket with a
new one.
Tightening tor-
que
Exhaust manifold
mounting nut
29.4 to 34.3 N
⋅
m
3.00 to 3.49 kgf
⋅
m
21.7 to 25.2 lbf ⋅ ft
Exhaust manifold
mounting screw
29.4 to 34.3 N ⋅ m
3.00 to 3.49 kgf
⋅
m
21.7 to 25.2 lbf ⋅ ft
(3) Exhaust manifold
4. ENGINE
SERVICING
6. Assembling
4-150
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
KiSC issued 12, 2018 A