|
6-3-9-snyatie-i-ustanovka-toplivnogo-nasosa-vysokogo-davleniya-tnvd.html
6.3.9. Removal and installation of the fuel pump of a high pressure (TNVD)Models 463.323 (М612)
Details of TNVD installation (М612)
|
|
- Remove panels of furnish of a cover of a head of cylinders.
- Remove a belt of a drive of auxiliary units (see. Head Engine).
- To Otboltita from TNVD (2) the pressure head line (1), - do not weaken the carving union (3) which should be held from a provorachivaniye the second key. Disconnect from a lifting eye of the power unit an arm (4).
- Remove from pump assembly (2) arm (5).
- Release fixing collars (7) and take aside lines of return of fuel (6).
- Disconnect the returnable line (6) from TNVD (2), - prepare for collecting spilled fuel.
|
|
The sealing ring is subject to replacement without fail. |
- Turn out bolts (8) and remove TNVD (2) assembly.
|
|
TNVD is not subject to dismantling! In case of need the driving element (9) can be removed from it (prepare a replaceable sealing ring (10). |
- Installation is made upside-down. Do not forget to replace sealing elements, track observance of purity of interfaced surfaces and correctness of landing of a driving element (9).
|
|
The worn-out driving element (9) is replaced complete with an intermediate asterisk of a drive of TNVD. |
- In summary make cleaning of memory of the processor of system of onboard self-diagnostics (see. Head of System of electric equipment of the engine).
|
|
Models 463.333 (М628)
Details of TNVD installation of the M628 engine (1 of 2)
Details of TNVD installation of the M628 engine (2 of 2)
|
|
- Remove an air purifier and the activator of a drive of a butterfly valve with the top air lines (see. Section Service of components of an inlet air path).
- For Otboltita from TNVD (1) pressure head line (3) and the line of return of fuel (4), - prepare replaceable sealing elements (a cone and a ring).
|
|
The carving union (3а) should be held from a provorachivaniye by means of the second key. |
- Disconnect a line of communication (shooter) from the valve of control of quantity of a mix (Y94).
- Turn out bolts (5) and remove TNVD (1) assembly.
|
|
Do not open TNVD assembly, - in case of need remove the floating coupling (6)! |
- Estimate degree of wear of the coupling (6), in case of need make its replacement (assembled with an intermediate gear wheel of TNVD and the centrifugal proof-reader (13)).
- Installation is made upside-down, - track, that at TNVD installation a nest (14) intermediate asterisks were developed in the same direction, as a zero label (arrow). Do not forget to replace a sealing element of a natyazhitel. Do not forget to replace all sealing elements, track observance of purity of interfaced surfaces.
- In summary make cleaning of memory of the processor of system of onboard self-diagnostics (see. Head of System of electric equipment of the engine).
|
|
|
|