S-50
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG WSM
DIESEL ENGINE
Nozzle Heat Seal Service Removal Procedure
[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]
IMPORTANTQ
• Use a plus (phillips head) screw driver (1) that has a
diameter which is bigger than the heat seal hole (Approx. 6
mm (1/4 in.)).
1. Drive screw driver (1) lightly into the heat seal hole.
2. Turn screw driver three or four times each way.
3. While turning the screw driver, slowly pull the heat seal (4) out
together with the injection nozzle gasket (3).
4. If the heat seal drops, repeat the above procedure.
(When reassembling)
• Heat seal and injection nozzle gasket must be changed when the
injection nozzle is removed for cleaning or for service.
W1021255
Rocker Arm and Push Rod
1. Remove the rocker arm bracket screws.
2. Detach the rocker arm assembly (1).
3. Remove the push rods (2).
(When reassembling)
• When putting the push rods (2) onto the tappets (3), check to see
if their ends are properly engaged with the grooves.
IMPORTANTQ
• After installing the rocker arm, be sure to adjust the valve
clearance.
W1021437
(1) Plus Screw Driver
(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