IE B014IN-SERVICE TEST REPORT · 622 ENGINE HOURS
DON 1500 M combine: compression evened out, lower fuel and oil use
Compression rose and evened out by cylinder, fuel consumption and oil burn-off decreased. 1.6–5.1 % — compression in all six cylinders, 29.5–30.5 → 31.0–31.5 kgf/cm²; 17 % — fuel consumption at idle, 100 ml in 3 min 25 s → 4 min 06 s; 2.8× — oil consumption on burn-off, 0.9 → 0.32 l per 10 hours of operation (2008).
signatures and stamp
Key results
| MACHINE | HOURS AT START | WHAT WAS MEASURED |
|---|---|---|
| DON 1500 M (ACROS) combine harvester, YaMZ-236 BK diesel | 2354 engine hours | Compression in all six cylinders, running time on 100 ml of diesel fuel, oil pressure, oil consumption on burn-off |
Compression by cylinder — before and after 622 engine hours
| CYLINDER | BEFORE, kgf/cm² | AFTER, kgf/cm² | GAIN |
|---|---|---|---|
| I | 30.0 | 31.0 | +1.0 kgf/cm² (+3.3 %) |
| II | 30.5 | 31.0 | +0.5 kgf/cm² (+1.6 %) |
| III | 30.0 | 31.5 | +1.5 kgf/cm² (+5.0 %) |
| IV | 29.5 | 31.0 | +1.5 kgf/cm² (+5.1 %) |
| V | 29.5 | 31.0 | +1.5 kgf/cm² (+5.1 %) |
| VI | 30.0 | 31.0 | +1.0 kgf/cm² (+3.3 %) |
| Average of six | 29.92 | 31.08 | +1.17 kgf/cm² (+3.9 %) |
| Spread between cylinders | 1.0 | 0.5 | −0.5 kgf/cm² |
ZEGA 363 compression tester. The report's conclusion states that compression rose by 2–6 %; the measurement table gives a gain of 1.6–5.1 %, positive in all six cylinders.
Fuel, oil and pressure in the lubrication system
| PARAMETER | BEFORE | AFTER | CHANGE |
|---|---|---|---|
| Running time on 100 ml of diesel fuel, idle | 3 min 25 s | 4 min 06 s | +41 s |
| Oil consumption on burn-off per 10 hours of operation | 0.9 l | 0.32 l | −0.58 l |
| Oil pressure, 700 rpm | 2.5 kgf/cm² | 2.7 kgf/cm² | +0.2 kgf/cm² |
| Oil pressure, 1250 rpm | 5.5 kgf/cm² | 5.8 kgf/cm² | +0.3 kgf/cm² |
Oil pressure was measured at an oil temperature of 78 °C, identical in both measurements. The 17 % reduction in fuel consumption was derived in the report from the running time on 100 ml.
Conclusion of the report
Current equivalent
- Revitalizant gel for diesel enginesDiesel engines
- Revitalizant gel for cylinder restorationEngine cylinders, deep wear
How such units are treated:
About this result:
Limits of this report: The results apply to the YaMZ-236 BK diesel of a DON 1500 M combine harvester with 2354 engine hours at the start of the observation; fuel consumption was measured at idle. On other machinery and with a different condition of components the figures may differ. Measurements were taken jointly with engineers of XADO LLC.