Initial position of balancer marks No.2 |
Sequence of tightening the balancer assembly mounting bolts |
Positions in which it is necessary to measure the play of the balance shaft No.1 in relation to the crankshaft |
Determination of play of balancer shaft No.1 |
The second and fourth positions for measuring the play of the balance shaft No.1 |
Installing a dial indicator to measure balance shaft play |
1. Turn the engine crankshaft so that the piston of the first cylinder is at top dead center.
2. Install the shaft of balancer No.2 in the position shown in the figure Initial position of the marks of balancer No.2.
3. Install the balancer assembly onto the engine cylinder block and secure with bolts, tightening them in a specific sequence (see fig. Sequence of tightening the balancer assembly mounting bolts).
4. Since the clearance between the crankshaft and the shaft of balancer No.1 changes during rotation, measure the clearance at the four designated positions (see Fig. Positions in which it is necessary to measure the clearance of the shaft of balancer No.1 in relation to the crankshaft).
5. Rotate the engine crankshaft several times and set it to the position where the piston of the first cylinder is at the top dead center. Check that the marks on the balancer assembly are aligned again.
6. Turn the engine crankshaft clockwise until the mark on balance shaft No.1 aligns with the pointer (see Fig. Determining the play of balance shaft No.1).
7. Place a dial indicator on the teeth of balance shaft gear No.1 (see Fig. Installing a dial indicator to measure balance shaft play). Applying slight force, turn the shaft of balancer No.1 to the sides and determine the play.
8. Remove the dial indicator and turn the engine crankshaft clockwise until the D mark on the No.1 balance shaft aligns with the pointer (see Fig. The second and fourth positions for measuring the play of the No.1 balance shaft). Install the dial indicator and measure the play.
9. If the clearance value differs from the required values, install a gasket of the required thickness between the balancer assembly and the cylinder block.
