Creative Engineering ROCK-A-FIRE EXPLOSION - Page 85

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The

Chest

Description:

The

following

text

deals

with

the

chest

and

the

movements

there

in:

Head

Left/Right,

Head

Tilt,

Head

Up/Down

and

Guitar

movements.

There

are

drawings

at

the

back

of

the

text

depicting

the

movements

contained

in

the

Chest,

use

these

drawings

for

reference

only.

Critical

adjustments

on

each

movement

will

vary

with

each

character,

so

after

doing

any

repair

work

refer

to

Pages

3-094

thru

3-135,

and

set

the

Critical

Adjustments.

All

part

numbers

are

available

in

the

Parts

Catalog.

A.

There

are

3

styles

of

Head

Left/Right

Actuation

Levers

(Front

Mount)

used

in

the

field.

One

old

style

is

a

clevis

type

mount

where

a

shaft

collar

is

welded

to

a

steel

plate.

After

the

part

was

assembled

onto

the

neck

shaft,

it

and

the

neck

shaft

were

drilled

and

pinned

using

a

1/8"

or

3/16"

x 1

1/4"

long

Roll

Pin.

The

other

old

style

is

a

machined

steel

part

with

a

Rod

End

type

front

mount,

that

was

also

drilled

and

pinned

using

a

Roll

Pin.

The

problem

with

the

old

styles

is

the

Roll

Pin

shears

off,

if

the

set

screw

in

the

Actuation

Lever

loosens.

So

if

you

have

an

old

style

Head

Left/Right

front

mount,

keep

a

close

watch

on

the

set

screws.

If

the

Roll

Pin

does

shear

off,

it

is

suggested

that

you

replace

it

with

the

new

style

front

mount.

(Part

#

M07420)

It

is

a

clamp

on

type

that

does

not

use

a

Roll

Pin

and

will

have

fewer

problems.

If

it

is

decided

to

repair

the

old

one:

1.

Detach

the

cylinder's

front

mount

from

the

Actuation

Level.

The

front

mount

is

either

a

clevis

or

Rod

End

type,

and

is

attached

using

a

Fas-Pin,

or

a

Dowel

Pin

and

Shaft

Collars.

2.

Loosen

the

set

screw

in

the

Actuation

Lever

in

question,

and

align

the

holes

drilled

through

the

Neck

shaft

and

Actuation

Lever.

3.

Tap

out

the

broken

Roll

Pin,

using

a

Drift

Punch

and

Hammer.

4.

Attempt

to

tap

in

the

same

size

roll

pin

as

the

one

previously

removed.

If

the

hole

is

over

size

and

the

pin

fits

in

sloppy,

drill

the

hole

for

the

next

size

roll

pin.

If

the

old

one

was

a

1/8"

Roll

Pin,

drill

a

11/64"

Hole

and

press

a

3/16"

Roll

Pin.

Drill

the

hole

1/64"

under

the

size

of

the

Roll

Pin

you

are

using.

3-048