ENGINE
B1220, B1620, B1820, WSM
1-S26
(EU)
[3] DISASSEMBLING AND ASSEMBLING
(1) Cylinder Head, Valves and Oil Pan
Cylinder Head Cover
1. Disconnect the breather hose (1).
2. Remove the cylinder head cover screws (2).
3. Remove the cylinder head cover (3).
(When reassembling)
• Check to see if the cylinder head cover gasket is not defective.
9Y1210272ENS0030US0
Injection Pipes
1. Loosen the screws to the pipe clamps (2).
2. Detach the injection pipes (1).
(When reassembling)
• Sent compressed air into the pipes to blow out dust. Then,
reassemble the pipes in the reverse order.
9Y1210272ENS0031US0
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe (1).
2. Remove the nozzle holder assemblies (4).
3. Remove the copper gasket (5) and heat seal (6).
4. Remove the lead (2) from the glow plugs (3).
5. Remove the glow plugs (3).
(When reassembling)
• Replace the copper gasket and heat seal with new one.
9Y1210272ENS0032US0
Tightening torque Cylinder head cover screw
9.81 to 11.2 N·m
1.00 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
(1) Breather Hose
(2) Cylinder Head Cover Screws
(3) Cylinder Head Cover
Tightening torque Injection pipe retaining nut
25 to 34 N·m
2.5 to 3.5 kgf·m
18 to 25 lbf·ft
(1) Injection Pipe (2) Pipe Clamp
Tightening torque
Overflow pipe retaining nut
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
Nozzle holder assembly
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
Glow plug
7.9 to 14 N·m
0.80 to 1.5 kgf·m
5.8 to 10 lbf·ft
(1) Overflow Pipe
(2) Lead
(3) Glow Plug
(4) Nozzle Holder Assembly
(5) Copper Gasket
(6) Heat Seal
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