wsm B2420 - Disassembling and Assembling; Cylinder Head and Valves

ENGINE
B2420, WSM
1-S28
[3] DISASSEMBLING AND ASSEMBLING
(1) Cylinder Head and Valves
Cylinder Head Cover
1. Remove the cylinder head cover cap nut.
2. Remove the cylinder head cover (1).
(When reassembling)
• Check to see if the cylinder head cover gasket is not defective.
9Y1210436ENS0033US0
Injection Pipes
1. Loosen the screws on the pipe clamps.
2. Detach the injection pipes.
(When reassembling)
• Send compressed air into the pipes to blow out dust. Then,
reassemble the pipes in the reverse order.
9Y1210436ENS0034US0
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe assembly (6).
2. Remove the nozzle holder assemblies (2).
3. Remove the copper gasket (3) and heat seal (4).
4. Remove the lead (5) from the glow plugs.
5. Remove the glow plugs (1).
(When reassembling)
• Replace the copper gasket (3) and heat seal (4) with new one.
9Y1210436ENS0035US0
Tightening torque
Cylinder head cover cap
nut
7 to 8 N·m
0.7 to 0.9 kgf·m
5 to 6 lbf·ft
(1) 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
Tightening torque
Nozzle holder assembly
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
Overflow pipe assembly
retaining nut
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
Glow plug
7.9 to 14 N·m
0.8 to 1.5 kgf·m
5.8 to 10 lbf·ft
(1) Glow Plug
(2) Nozzle Holder Assembly
(3) Copper Gasket
(4) Heat Seal
(5) Lead
(6) Overflow Pipe Assembly
KiSC issued 06, 2012 A