SKF LINKOLN A Series Manuale utente

Installation guide

Model 84824, series “A”

Overﬁll warning device

Date of issue December 2016

Form number 403496

Version 2

Read manual prior to installation or use of

this product. Keep manual nearby for future

reference.

Contents

Description. . . . . . . . . . . . . . . . . . . . . . . 3

Owner/Operator responsibility . . . . . . 3

Installation. . . . . . . . . . . . . . . . . . . . . . . 4

Maintenance . . . . . . . . . . . . . . . . . . . . . 4

Exploded views . . . . . . . . . . . . . . . . . . . 5

Warranty . . . . . . . . . . . . . . . . . . . . . . . . 8

Description

Model 84824 overﬁll warning device,

designed for double wall tanks, functions as

air supply shut-off to pump when tanks

reach near full capacity. In shut-off position,

air is diverted from pump to signal whistle to

alert full tank condition. Warning device

automatically resets when tank is emptied.

Periodical operational testing can be

performed by lifting test button about one

inch; this should shut-off air to pump and

sound signal whistle. Release button and

valve will reset itself.

Owner/Operator

responsibility

It is responsibility of owner/operator to

properly use and maintain equipment.

It is responsibility of owner/operator to

maintain legibility of all warning and

instruction labels.

Owner/Operator shall retain manual for

future reference to important warnings,

operating and maintenance instructions.

Table 1

Speciﬁcations

Fits into 2 in.NPT tank opening

Air inlet port 1/4in. NPT internal

Air outlet port 1/4in. NPT internal

Overall height 29 5/8 in. (752,5 mm)

Maximum air pressure 100 psi (6,89 mm)1)*

1) Use of an air ﬁlter, regulator and lubricator is recommended to prevent damage to unit.

* Indicates change.

WARNING

This device is not intended to reduce or

replace user responsibility when transferring

liquids to holding tank.

Failure to comply may result in death or

serious injury.

Installation

1 Valve must be installed in direction that

will permit free rise and fall of ﬂoat

assembly. Inspect tank interior for bafﬂes

that can obstruct ﬂoat action.

2 Back off set screw in threaded collar one

full turn; this will release collar and allow it

to rotate freely around valve body.

3 Insert valve assembly into bung opening at

top of tank. Arrow on top of valve must

point to tank area selected for ﬂoat

operation.

4 Hold valve top in position while screwing

valve collar into tank. Collar is ﬁtted to

accommodate spanner wrench for

tightening.

5 Recheck arrow to make sure valve is in

desired operating position before

tightening collar set screw. When set

screw is tightened, valve is lockedin

operating position.

6 Place ﬁlters, regulators, oilers and air

valves in front of air supply line going to in

port of valve. Never place accessories and

valves in air supply line from out port to

pump.

Maintenance

Overﬁll warning device is similar to ﬁne air

tool in that effective life and performance

can be reduced by dirty air (air that has not

been ﬁltered to remove moisture and rust

particles).

Installation of ﬁlter, regulator and oiler in

air supply line going to in port is

recommended to minimize failures in valve

and pump. Hydraulic oil or 10 WT motor oil

is recommended for use in lubricator.

Antifreeze can be substituted for oil

whenever combination of extreme cold and

wet air are present.

Overﬁll warning device should be tested

several times per year. Test can be

accomplished by lifting test button one inch;

this will cut off air to pump and sound signal

whistle. Release button and valve will reset.

Float direction

indicator arrow

Tape

measure

Collar

Test port

Signal/whistle

port

Test port cap

Signal whistle

Collar set

screw

Valve body

Float and rod

O-ring

Concrete

Valve body

8 in.

(203,2 mm)

Ø 2 in. pipe

(50,8 mm)

View A View B

/ in. NPT

Air in port

29 / in.

(752,5 mm)*

Out port

Fig. 1

NOTE

Signal whistle may have to be removed

when installing plumbing. Reassemble

whistle to unit when plumbing is

complete.

NOTE

No warranty or guarantee of

merchantability, or ﬁtness for particular

purpose, or any other kind, expressed or

implied, for function of or service

performed by overﬁll warning device.

NOTE

Collar is moved in direction of o-ring in

ﬁxed position.

NOTE

For collar height and o-ring settings on

valve body, measure inside of pipe for

proper length (dimension A, view A).

This will then be distance between

inside of collar and o-ring

(example: 8 in. (203,2 mm)- View B).

1) Unit will shut off air supply to pump at 60 to 65° point of extension.

* Indicates change.

This page left intentionally blank.

Warranty

The instructions do not contain any informa-

tion on the warranty. This can be found in

the General Conditions of Sales, available at:

www.lincolnindustrial.com/technicalservice

or www.skf.com/lubrication.

®SKF is a registered trademark of the SKF Group.

®Lincoln is a registered trademark of Lincoln Industrial Corp.

©SKF Group 2016

The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permis-

sion is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be

accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information contained herein.

PUB LS/I4 16987 EN · December 2016 · Form 403496 Version 2

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