Volvo PENTA Manuel de service télécharger pdf (Page 40)

Repair instructions

Shimming the forward and reverse

gears

Method 1

9. Measurement “A” is fixed at 62.05 mm (2.443").

10. Add or subtract the plus or minus marking (1) of

the gear.

NOTE! a + 5 marking = +0.05 mm (0.002”).

B88

C78

+0.05 mm

11. Only the decimal values of the “B” and “C” di-

mensions are stamped into the upper gear housing.

The nominal value for both “B” and “C” is 61.00 mm

(2.40”). Add this value to the value stamped into the

gear to calculate shims for the forward and reverse

gears.

The shim calculations can be seen in the example be-

low:

Measurement “A”: 62.05 mm (Fixed Dimension)

+ 0.05 mm (Gear Etching

)

62.10 mm

“C” Stamping: - 61.78 mm (Stamped

)

0.32 mm (0.013”)

The shim thickness for the forward gear is 0.32 mm

(0.013”).

The shim thickness for the reverse gear is calculated

the same way, only using the “B” stamping.

Only +5 is etched.

Only 88 (B) respectively 78 (C) is stamped.

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Volvo PENTA Manuel de service Page 40