105.539.783.303 (E206450070) | F.O.PUMP C21TG-L42

BRAND:

HJ, directly under China Shipbuilding Industry Corporation, founded in 1967, is specialized in development and manufacture of fuel injection system and governors for low, medium and high speed large-duty diesel engines. It is an appointed suppiler for Daihatsu Anqing, MAN B&W and W?rtsil?.

DESCRIPTION:

The F.O. injection pump is a tappet-incorporated high-pressure single cylinder pump. In case of heavy fuel oil specification, the pump rack is assembled with the stop air cylinder.

FEATURE:

The item is strictly produced in accordance with Daihatsu Japan original technical standard and drawings. The performance of it is the same as Daihatsu Japan genuine part, and also, it is able to be exchanged with Daihatsu Japan genuine part.

It follows NOx technical files and has the NOx ID on its body.

PRECAUTIONS:

1.1.   The F.O. injection pump is a precision parts in particular. Even fine foreign matters will cause sticking or breakage of the plunger and the delivery valve. Therefore, when disassembling or assembling the pump, take every possible care to prevent the infiltration of foreign matters.

1.2.   Do not disassemble the delivery valve. Instead, be minded to replace it as an assembly.

1.3.   1) Be minded to handle the plunger and barrel as one pair. The clearance of the both parts are matched, and if wrong combination is made, the parts cannot be used.

         2) Be sure to sort the disassembled parts per each pump, so that they do not mix with the parts of the other cylinders.

1.4.   Replace the plunger assembly, the delivery valve assembly, and the spring every 16,000 to 24,000 hours (4 to 5 years) with the new ones, even in case that there is no particular problems.

1.5.   Be careful since the engine cannot be operated properly, if the rack is not normally and correctly engaged with the sleeve.

1.6.   When assembling, be careful not to scratch the tappet or roller.