Sable car GAZ-2752, 2217, 2310>> ZMZ-4063 engine>> Dismantling and repair of a head of the block of cylinders

Dismantling and repair of a head of the block of cylinders

Order of an inhaling of bolts of fastening of a head of the block of cylinders


 PERFORMANCE ORDER

We remove a head of the block of cylinders (see. Removal of a head of the block of cylinders).
We take hydropushers (see. Replacement of hydropushers).

Key «on 10» we turn on eight bolts...

... also we remove a back cover of a head of the block of cylinders with laying.

For removal of valves the stripper (rassukharivatel) is required.
If the design of a stripper did not provide an emphasis for the valve...

... we enclose under the valve a suitable emphasis.

We compress valve springs a rassukharivatel. That the plate of springs descended from crackers easier, it is possible to strike easy blow with a hammer to a persistent soshka of a rassukharivatel.

By tweezers it is taken out two crackers and smoothly we release springs.

We remove the top plate and two springs of the valve.

The stripper deleted a maslootrazhatelny cap...

... also we remove a basic washer.

We overturn a head of the block of cylinders and we take out the valve, having marked it that at the subsequent assembly to put the valve on its former place. Similarly we remove and we mark other valves.

Six-sided key «on 8» we turn out four caps of oil channels located in end faces of a head.

Having cleared the privalochny plane of a head, we check quality of a prileganiye of a head to the block a lekalny ruler and shchupy.

Over 0,05 mm it is possible to eliminate Not planeness with machining, however if not planeness the head exceeds 0,1 mm is not maintainable.
Kerosene or diesel fuel we wash out a head, we clear oil channels of deposits. Then we wipe surfaces pure rags and we blow channels the compressed air. We establish caps of oil channels.
Having replaced old maslootrazhatelny caps on new, we establish valves in sequence, return to removal.