Maintenance instructions – Allmand Brothers Allmand 8.5 10 FT BACKHOE User Manual

Page 30

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30

MAINTENANCE INSTRUCTIONS

CYLINDER SEAL REPLACE

ASSEMBLY PR0CEDURE

4.

Remove the hex nut, piston, flat

washer

or

spacer

tube

(if

so

equipped),

and

gland

from

the

cylinder

rod.

If

the

cylinder

rod

is

rusty,

scratched,

or

bent,

it

must

be

replaced.

G E N E R A L

IMPORTANT: Replace all seals even

if they do not appear to be damaged.

Failure

to

replace

all

seals

may

result

in

premature

cylinder

failure.

1.

Install

the

cylinder

rod

seal

in

the

gland

first.

Be

carefull

not

to

damage

the

seal in the process as it is somewhat

difficult

to

install.

A

special

installation

tool

is

available

to

help

with

installing

the

seal.

Simply

fit

the

end

of

the

tool

over

the

seal

so

that

the

large

prong

of

the

tool

is

on

the

outside

of

the

seal,

and

the

two

smaller

prongs

on

the

inside.

The

lip

of

the

seal

should

be

facing

towards

the

tool.

5.

Remove

and

discard

all

the

old

seals.

Rotate

the

handles

on

the

tool

around

to

wrap

the

seal

around

the

end

of

the

tool.

3.

Inspect

the

piston

and

the

bore

of

the

cylinder

tube

for

deep

scratches

or

gall-

ing.

If

damaged,

the

piston

and

cylinder

tube

must

be

replaced.

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