Service manual

ManualsBrandsYamaha ManualsElectronic Keyboard440

d. Install

the

sheave subassembly

tool

and

tighten the cap.

e. Tighten the six primary sheave cap bolts

and remove

the

subassembly tool.

Tightening torque:

11 Nm (1.1 m-kg)

CAUTION:---------

.....

Make

sure

that

the

primary

sheave

cap

assembly

slides

in

contact

with

the

fixed

sheave

boss.

1980 SRX440

Tightening torque:

First

tighten

the

bolt

to a torque of

A. then loosen it.

Retighten

bolt

to a final torque

of

B.

A:

120

Nm

(12

m-kg)

B:

65

Nm (6.5 m-kg)

.

C.

V-belt

Check

the

drive

V-belt

for

damage and wear.

If

the

width

is less than specified value. re-

place

with

a

new

belt.

f. Clean the oil

off

the tapered portion

of

crankshaft using a lacquer thinner.

g. Fit the primary sheave assembly to the

tapered portion of crankshaft.

h.

Apply

engine oil to the threaded portion

of primary sheave

bolt

and its

contact

surface

with

spring washer.

i. Tighten

the

primary

sheave

mounting

bolt. using the

rotor

holding tool. Next.

lock the

lock

washer.

NOTE:------------

Check the lock washer, and if damaged. re-

place

with

a

new

one.

5-7

Wear

limit:

26

mm

(1.02

in)

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1. New:

31.5mmll.24inl

2. Wear limit: 26 mm (1.02 in)

D.

Secondary

sheave

1. Disassembly

a.

Apply

the brake and remove

the

secon-

dary

sheave

mounting

bolt.

b. Remove the secondary sheave

assembly and plate washers.