ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S23
Compression Pressure
[D1803-M-DI, V2403-M-DI, V2403-M-DI-T]
1. Operate the engine for warming-up.
2. Stop the engine.
3. Disconnect the 2P connector from the stop solenoid to stop the
fuel supply.
4. Remove the air cleaner, the muffler and all glow plugs.
5. Set a compression tester (07909-39081) with the adaptor K
(07909-31291) to the glow plug hole.
6. Crank the engine with the starter to measure the compression
pressure.
7. Do the steps 5 through 6 again for each cylinder.
8. If the measurement is below the allowable limit, examine the
cylinder wall and piston rings.
• Examine the compression pressure with the specified
valve clearance.
• Always use a fully charged battery for you do this test.
• Variances in cylinder compression values must be less
than 10 %.
M00000003ENS0017US1
Compression pressure
Factory spec.
2.95 to 3.23 MPa
30.0 to 33.0 kgf/cm
2
427 to 469 psi
Allowable limit
2.35 MPa
24.0 kgf/cm
2
341 psi
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