Yamaha 40V Manuel de service télécharger pdf (Page 142)

6-27

LOWR

SHIMMING

Forward gear

1. Measure:

● Forward gear backlash

Out of specification → Adjust.

Backlash:

0.18 ~ 0.45 mm (0.007 ~ 0.018 in)

Measuring steps:

● Set the bearing housing puller for

pushing the propeller shaft.

Bearing housing puller:

YB-6234/90890-06503

Universal puller:

YB-6117

Stopper guide plate:

90890-06501

Center bolt:

90890-06504

Center bolt:

5 Nm (0.5 m • kg, 3.6 ft • lb)

● Set the lower unit upside down.

● Attach the backlash indicator on the

drive shaft (18 mm in diameter).

Backlash indicator:

YB-6265/90890-06706

● Attach the dial gauge on the gear case,

and make the dial gauge stem contact

the mark on the indicator.

Backlash adjusting plate:

YB-07003

Dial gauge:

YU-03097/90890-01252

Magnet base:

YU-34481/90890-06705

● While pulling the drive shaft, slowly

turn the drive shaft clockwise and

counterclockwise; then, measure the

backlash when the drive shaft stops in

each direction.

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Yamaha 40V Manuel de service Page 142