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

Page 31

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31

CYLINDER SEAL REPLACE

Now

insert

the

seal

into

the

gland

from

the

inner

end.

Position

the

seal

in

it's

groove,

and

release

and

remove

the

tool.

Press

the

seal

into

its

seat

the

rest

of

the

way

by

hand.

NOTE:Threaded gland is shown above

for

reference.

2.

Install

the

new

piston

ring,

rod

wiper,

O-rings,

and

backup

washers

if

appli-

cable

on

the

piston

Be

careful

not

to

damage

the

seals.

Cau-

tion

must

be

used

when

installing

the

pis-

ton

ring.

The

ring

must

be

stretched

care-

fully

over

the

piston

with

a

smooth,

round,

pointed

tool.

MAINTENANCE INSTRUCTIONS

RETAINING RING TYPE GLAND

1.

After

installing

the

internal

gland

seal,

install

the

external

O-ring

and

backup

washer.

2.

Slide

the

gland

onto

the

cylinder

rod

being

careful

not

to

damage

the

rod

wiper.

Then

install

the

spacer,

or

flat

washer

(if

so

equipped),

small

O-ring,

piston,

and

hex

nut

onto

the

end

of

the

cylinder

rod.

3.

Secure

the

cylinder

rod

(mounting

end)

in

a

vise,

with

a

support

at

it's

center.

Torque

the

nut

to

the

amount

gland

retainer

ring

should

be

hidden

(not

turned

so

it

is

exposed

in

the

slot)

to

prevent

it

from

popping

out.

O - RING

BACKUP WASHER

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