Nanni N4.40 User Manual

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S51
Cylinder Head
1. Loosen the pipe clamp (2) and remove the water return pipe (1).
2. Remove the cylinder head screw in the sequence of (n or r) to
(a).
3. Lift up the cylinder head (3) to remove.
4. Remove the cylinder head gasket (4).
(When reassembling)
• Replace the cylinder head gasket (4) with a new one.
• Apply sufficient oil and tighten the cylinder head screws.
• Tighten the cylinder head screws in a diagonal sequence. Start
from the center in the sequence of (a) to (n or r).
• Tighten them equally, or the shape of the head changes after
some time.
IMPORTANT
• Before you replace the cylinder head gasket (4), record the
mark (5) on the cylinder head gasket of the engine. Then
replace a cylinder head gasket with same mark.
(To be continued)
Tightening torque Cylinder head screw
93.2 to 98.0 N·m
9.50 to 10.0 kgf·m
68.8 to 72.3 lbf·ft
Gasket
Mark and
Code
Number
Model
D1503-M
D1703-M,
D1803-M,
D1803-M-DI
V2003-M
V2203-M,
V2403-M,
V2403-M-T,
V2403-M-DI,
V2403-M-DI-T
15 1G720-03600 1G750-03600 1G464-03600 1G790-03600
20 1G720-03310 1G750-03310 1G464-03310 1G790-03310
25 1G720-03610 1G750-03610 1G464-03610 1G790-03610
30 1G720-03620 1G750-03620 1G464-03620 1G790-03620
35 1G720-03630 1G750-03630 1G464-03630 1G790-03630
Gasket
Mark and
Code
Number
Model
D1703-M-BG V2003-M-BG
V2003-M-T-
BG
V2203-M-BG,
V2403-M-BG
15 1G750-03600 1G464-03600 1G770-03600 1G790-03600
20 1G750-03310 1G464-03310 1G770-03310 1G790-03310
25 1G750-03610 1G464-03610 1G770-03610 1G790-03610
30 1G750-03620 1G464-03620 1G770-03620 1G790-03620
35 1G750-03630 1G464-03630 1G770-03630 1G790-03630
(1) Water Return Pipe
(2) Pipe Clamp
(3) Cylinder Head
(4) Cylinder Head Gasket
(5) Mark
(n or r) to (a) : To Loosen
(a) to (n or r) : To Tighten
(A) Gear Case Side
(B) Flywheel Side
KiSC issued 06, 2009 A

Nanni N4.40 Specifications

General

Brand	Nanni
Model	N4.40
Category	Engine
Language	English