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4.4.12. Removal and installation of pistons

Removal of the piston with a rod

1 — the Conrod cover
2 — the Rod
3 — the Bolt

4 — the Piston
5 — the Lock ring
6 — the Conrod finger

Installation of pistons

1 — the Conrod cover
2 — the Rod
3 — the Bolt

4 — the Piston
5 — the Lock ring
6 — the Conrod finger
7 — the Mandrel


 PERFORMANCE ORDER

1. Curtail covers of conrod bearings (1). The rod (2) and a cover (1) are marked together.
2. Remove the piston (4) and a rod (2) up. The direction of the movement is beaten out on the top part of the piston. On some versions of the shooter of the direction of the movement keeps the visibility not long because of wear of the piston; in this case the direction needs to be noted again.
3. Vypressuyte by means of the screw-driver a lock ring (5) also remove the piston from a rod.
4. Check gaps of piston rings.
5. Grease a piston finger (6) and the plug of a rod.
6. Install the piston (4) on a rod (2).
7. Press by hand a piston finger (6).
8. Insert a lock ring (5) into a groove in the piston.
9. Wipe cylinders, conrod necks, inserts and pistons (4) with oil.
10. Establish a mandrel (7) on piston rings.
11. Install pistons (4) in the direction of the movement.
12. Establish rods (2) and covers (1), having combined side tags.
13. Check and tighten bolts of fastening of conrod necks.
14. After assembly check gaps and ease of rotation.