Robin America EH34 Specifications download pdf (Page 28)

Replace valves if

the

valve

face

pitted

warped.

Correct

the

valve

seat

using

4S0

seat

cutter

tool

illustrated in Fig.

6-3-3.

The finished

seat

width should

1.2

~1.5

mrn.

Valve guides should

replaced when

valve stem clearance becomes excessive.

(See

Fig.

6-34)

Draw valve guides out using -valve guide

puller

tool

shown

Fig.

6-3-4

and

press new guides in, using the same puller

tool.

Assemble valve springs and spring

re-

tainers

after

adjusting tappet

clearance.

t3"

Guide

(

EY14

VALVE FACE ANGLE

SEAT ANGLE

GUIDE INSIDE DIA.

INTAKE

VALVE

STEM

DIA.

EXHAUST

MAXIMUM ALLOWABLE

CLEARANCE BETWEEN Cand

EXHAUST

INTAKE

Valve Seat Cutter

Fig.

6-3-3

Fig.

6-3-4

EY14 EY18-3, E23, EY25-2, EY27-2

45O

45"

45O

dia.

+0.015

dia.

N.036

N.016

dia.

-0.025

-0.040

-0.062

dia.

-0.075

-0.095

dia.

0.025L-

0.055L

0.075L-

0.1

1OL

0.056L- 0.098L

VALVE

and

VALVE GUIDE CLEARANCE

Fig.

6-3-5

Loose

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 54 55

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Robin America EH34 Specifications Page 28

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