Nanni N4.40 - Rocker Arm and Push Rod; Service Procedure of Nozzle Heat Seal

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S50
Service Procedure of Nozzle Heat Seal
[D1503-M, D1703-M, D1803-M, V2003-M, V2203-M, V2403-M,
V2403-M-T, D1703-M-BG, V2003-M-BG, V2003-M-T-BG,
V2203-M-BG, V2403-M-BG]
IMPORTANT
• Use a plus (phillips head) screwdriver (1) that has a
diameter larger than the heat seal hole (Approximately
6 mm (1/4 in.)).
1. Put the screwdriver (1) lightly into the heat seal hole.
2. Turn screwdriver 3 or 4 times each way.
3. While you turn the screwdriver, slowly pull the heat seal (4) out
together with the injection nozzle gasket (3).
4. If the heat seal falls, do the above procedure again.
(When reassembling)
• Change the heat seal and injection nozzle gasket when you
remove the injection nozzle to clean or for servicing.
M00000003ENS0071US1
Rocker Arm and Push Rod
1. Remove the screws of the rocker arm bracket.
2. Remove the rocker arm assembly (1).
3. Remove the push rods (2).
(When reassembling)
• When you put the push rods (2) on the tappets (3), make sure
that their ends are correctly engaged with the grooves.
IMPORTANT
• After you install the rocker arm, adjust the valve clearance.
M00000003ENS0072US1
(1) Plus Screwdriver
(2) Injection Nozzle
(3) Injection Nozzle Gasket
(4) Heat Seal
Tightening torque Rocker arm bracket screw
24 to 27 N·m
2.4 to 2.8 kgf·m
18 to 20 lbf·ft
(1) Rocker Arm Assembly
(2) Push Rod
(3) Tappet
KiSC issued 06, 2009 A