The utility model relates to a million multikilowatt nuclear power station key technology technical field, concretely relates to turbine adjustment device to among the prior art during proruption main gas valve pilot oil incident of leakage, mends according to original mode of operation that the oil mass is little, to mend oily speed slow, has the problem of jumping quick -witted risk, the utility model provides a turbine adjustment device, oil is mended through newly -increased pipeline to the system to unable quick problem of mending oil in time after leaking to steam turbine main gas valve pilot oil, improves former system main fuel tank liquid level definite value, drops to the human intervention time that increases before low liquid level triggers the automatic machine of jumping at the main fuel tank oil level, for in time discovery and solve the problem have striven for the time, avoids intervening the untimely seriously incident such as jump machine that arouses.