S-18
SM-E2B SERIES, WSM
DIESEL ENGINE
Injection Timing (Continued)
• The sealant is applied to both sides of the shims (soft metal
gasket shim). The liquid gasket is not required for
assembling.
• Shims are available in thickness of 0.20 mm (0.0079 in.), 0.25
mm (0.0098 in.) and 0.30 mm (0.0118 in.). Combine these
shims for adjustments.
• Addition or reduction of shim (0.05 mm, 0.0020 in.) delays or
advances the injection timing by approx. 0.0087 rad (0.5 °).
• In disassembling and replacing the injection pump, be sure
to use the same number of new shims with the same
thickness.
• Refer to figure of the shim to check the thickness of the
shims.
• The injection timing might be changed by the application.
(Reference)
• Injection Timing Map (before T.D.C.)
W1018986
Model
Rated Speed
Specification
(min
-1
(rpm))
Z482-E2B
D662-E2B
D722-E2B
D782-E2B
Z602-E2B
D902-E2B
3600 to 3301
0.33 to 0.37 rad
(19 to 21 °)
–
0.33 to 0.37 rad
(19 to 21 °)
3300 to 3001
0.31 to 0.35 rad
(18 to 20 °)
0.28 to 0.31 rad
(16 to 18 °)
0.30 to 0.33 rad
(17 to 19 °)
3000 to 2501
0.30 to 0.33 rad
(17 to 19 °)
0.28 to 0.31 rad
(16 to 18 °)
0.28 to 0.31 rad
(16 to 18 °)
2500 to 2001
0.26 to 0.30 rad
(15 to 17 °)
0.24 to 0.28 rad
(14 to 16 °)
0.24 to 0.28 rad
(14 to 16 °)
Under 2000
0.23 to 0.26 rad
(13 to 15 °)
0.23 to 0.26 rad
(13 to 15 °)
0.23 to 0.26 rad
(13 to 15 °)
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