Volvo PENTA Manuel de service télécharger pdf (Page 41)

Repair instructions

12. Insert a 0.2 mm (0.008") shim (1) under both for-

ward and reverse gears as a starting point. The shim

value is a number derived from experience.

Then follow the procedure in chapter

Checking the

gear backlash and contact pattern

Checking the gear backlash and

contact pattern

13. Install the forward gear with the calculated shims

into the gear housing. Insert the needle bearings and

the vertical shaft. Install reverse gear into the gear

housing using the needle bearings as a guide.

Method 2

NOTE! When calculating the shim thickness for the

forward and reverse gears, remember:

The upper gear housing nominal dimension has

two values.

If the stamped number is 50 or more, use the lower

nominal value, 61.00 mm.

If the stamped number is 49 or less, use the higher

nominal value, 62.00 mm.

Example: Stamping 50 or more

“C” stamping: 78 = 00.78 mm

Use Nominal Dimension = 61.00 mm

61.78 mm

Example: Stamping 49 or less

“C” stamping: 43 = 00.43 mm

Use Nominal Dimension = 62.00 mm

62.43 mm

Then follow the procedure in chapter

Checking the

gear backlash and contact pattern

14. Install the washer (2) and the split locking ring (1)

and tighten the nut at the opposite end of the vertical

shaft.

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Volvo PENTA Manuel de service Page 41