mud flow meter diamec u-series ed.0

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© 2010 Atlas Copco Craelius AB | 6991 5106 01 | 2010-11-11

Diamec U-Series

Atlas Copco Exploration Products

Service instructions

Mud ow meter

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Contents

© 2010 Atlas Copco Craelius AB | 6991 5106 01 | 2010-11-11

Contents

Safety instructions 4

10 General 4

10 CFP general 5

20 Description of components 521 CFP meter unit 5

Maintenance 5

Filling of glycerol 5

Replacing the pressure membran 6

30 Techniclal data - CFP 7

40 Operation 7

41 Settings 7

411 Software settings 8

Meter Unit 10



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Overhauling instructions

© 2010 Atlas Copco Craelius AB | 2010-11-15

04 Instructions mud flow meter Diamec U-series Ed0

Safety instructions

10 General

This Overhauling instruction book is part of the

complete delivery of your new diamond core drill

11 Hydraulic and electrical systems are of a

complex nature - and can cause injury ordamage if not handled with care Repair and

service shall be carried out by personnel with

documented experience for these systems

12 Welding repairs should only be carried out by

an authorized welder in order to meet the high

standards that apply to Atlas Copco products

Special attention must be given to components

which could cause injury or serious damage

13 After repair make sure that the rig has been

inspected and approved by the proper

authorities before being brought back to normaloperation

14 Never make alterations or modifications to

components of the unit The manufacturer’s

approval should be requested for any

modification done to the unit

15 Use extreme caution while handling starter

batteries Wear gloves and protective glasses

when servicing batteries The batteries contain

strong acid, which can seriously burn eyes, skin

and damage cloth, insulation and metal First aid

in case of acid in the eyes: wash with plenty of

clean water and seek medical help

Disconnect the earth cable from the battery

before carrying out service in the electrical

system

The battery gas is explosive! Never use matches

when checking the acid level

Be careful using tools made of iron near the

battery, a spark might set off an explosion

Read the battery manufacturer’s manual for

further information as well as the “Environmentalinstructions” chapter

16 Hydraulic oils are poisonous Use eye protection

and gloves See the “Environmental instructions”

chapter for further information

17 Before any repair or service is carried out on

the rig's hydraulic or water systems, make

sure the engine is stopped and systems are

depressurized

18 Be very careful while tracing leaks in the

pressurized systems Hydraulic oils, water or air

under pressure could penetrate under the skinand cause complicated injuries or infection If

this happens, see a doctor at once

19 Use only authorized parts (Atlas Copco parts)

Any damage or malfunction caused by the use of

unauthorized parts is not covered by warranty

110 Any warranty for work performed, only covers

Atlas Copco Products, Atlas Copco components

and work performed by authorised personnel

Any question or to get additional

information, please phone, mail or fax:

Atlas Copco Craelius AB

S-195 82 Märsta, Sweden

Phone: +46 (8) 587 786 36

Fax: +46 (8 ) 591 187 82

E-mail: christereuren@seatlascopcocom



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10 CFP general

The CFP meter unit, consisting of a flow meter and a

pressure meter which are mounted in line with 1 inch

threads on either side, one for connecting the hose to

the grout pump and the other for connecting the hose

to the outlet

The pressure meter consists of a pressure sensormounted on a pressure transmitter

The electromagnetic flow meter has a two inductive

sensors enclosed in a ceramic housing The flow

meter is without internal moving or extruding parts

and has well protected integrated electronics for safe

operation

Fig 1 CFP meter unit:

1 Pressure transmitter

2 Flowmeter

3 Hose connection to the grout pump

4 Hose connection to the outlet

20 Description of

components

21 CFP meter unit

The CFP meter unit consists of an electro magnetic

flow meter and a pressure meter The CFP -4 operates

with a pressure up to 40 bar and the CFP- 10 up to

100 bar pressure

The electromagnetic flow meter feeds the recorder

with 0-1kHz signal proportional to the flow The flow

meter is calibrated, including setting of flow range

0-200 l/min This is done at the factory

The pressure meter consists of a pressure sensor that

feeds the recorder with a 4-20 mA signal, proportional

to the pressure The space between the rubberhose

and the steeltube is filled with glycerol That transmits

the pressure to the pressure sensor fitted to the steel

tube

Maintenance

It is advisable to now and then check the grout

pressure against a test gauge

Connect the test gauge in-line with the meter unit and

compare the two values

Calibration of the flow meter ought to be done once a

year or when a major work is to be started

All service and zero calibration of the flow meter must

be done by a company authorized by Atlas Copco

Filling of glycerol

Remove the pressure sensor (pos 7, fig21) Take out

the vent screw (pos 11, fig 21) and the ball (pos 12,

fig 21) from the air nipple

z Keep the transmitter unit in horizontal position with

the sensor and air nipple openings upwards

z Fill glycerol through the sensor opening until it

overflows in the vent opening Rock the transmitter

unit slightly, to be sure that no air is trapped inside

zMount the ball Check that the hole in the vent screwis open Mount but do not tighten

z Check that the glycerol level is about halfway up in

the sensor opening

zMount the pressure sensor Let the excessive

glycerol slowly escape through the vent screw until

no pressure remains

z Close the vent screw

z Drain the system after use in cold condition, risk of

freeze damage



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Fig 21 CFP meter unit:

7 Pressure sensor

11 Vent screw

12 Ball

13 Casing

14 End cover

15 Cap screw

16 Pressure membran

17 Glycerol

Replacing the pressure membran

z Remove the pressure sensor

z Undo the cap screws (pos 15, fig 21)

z Dismantle the end cover (pos 14, fig 21)

z Dismantle the casing (pos 13, fig 21)

z Remove the damaged pressure membran (pos 16,

z fig 21)

z Insert the new pressure membran

zWhen inserted it should extend 6 mm outside of the

casing (fig 21b) on both sides

zMount the hose and casing onto the conical end

piece on the flow meter

zMount the end cover

z Tighten cap screws carefully, both sides at the same

time to avoid forcing the hose out of position

z Fill glycerol 100-200 ml is needed

Fig 21b



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30 Techniclal data - CFP

Power supply (from Logac): 24 V DC ±2V stabilized

Flow meter

Flow meter size DN 25 mm

Instrument protection class: IP 67

Flow meter range: 0-200 l/min

Flow meter max pressure: PN 40=4 MPa

(40 bar)

or PN 100=10 MPa

(100 bar)

Flow min: 8,8 l/min

Flow max: 200 l/min

Pulse output: 100 Hz

Error limit under reference conditions

Flow

8-30 l/min = 1,3% of measured value

30-100 l/min = 0,3% of measured value

0-8 l/min = A smaller flow meter has to be used

The flow meter is calibrated on EN 45001 certified

calibration rigs

Calibration accuracy is better than 99,97 % of the

measured value

Pressure meter

Pressure sensor range: 0-10 Mpa ( 0-100 bar)

Current output: 4-20 mA (pressure sensor)

All electric components are activated and live when

the unit is connected to the power supply

40 Operation

41 Settings

3719 0070 81 water package of grouting type

3719 0041 17 1 Sensor

cable

D511,X11 Water

flow

3719 0041 18* 1 Sensor

cable

D511,X16 Water

pressure

3716 6329 88 1 CFP-10

meter

unit

100 Hz Grouting

type (0-

100 l/

min)

* Split cable is used, connect cable B to X16 cable C is

not in use

Fig 41



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412 Water settings

Fig 412 Water settings



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Spare parts list


03 SPL 3716 6329 88 Meter Unit CFP10-G5 Ed0

Meter Unit

CFP10-G5 3716 6329 88

12



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Spare parts list


03 SPL 3716 6329 88 Meter Unit CFP10-G5 Ed0

3716 6329 88 CFP10-G5

Pos No Part number Quantity Description Remark

1 3716 6383 04 1 Flow meter 100 bar LOGAC G5

2 3716 6368 00 1 Flange

3 3716 6367 00 1 Flange

4 3716 6245 00 2 Bracket

5 0291 1128 18 4 Lock nut M8 FZB ISO 70406 0663 2100 63 2 O-ring 323 x 3 90°

7 3716 5258 00 1 Pressure sensor

8 3716 5796 00 1 Adapter

9 0661 1026 00 2 Seal washer tredo 16 TREDO 16-3/8"

10 3716 6073 00 1 Air nipple

11 3715 3028 00 1 Nozzle 10 M8

12 0517 1112 00 1 Bearing ball RB-635/III

13 3716 5655 00 1 Casing

14 3716 5656 00 1 Cover

15 0211 1251 00 12 Cap screw MC6S 6 x 3516 3716 5750 00 1 Hose PRESSURE TRANSMITTING

17 0147 1342 03 2 Screw M6S 8 x 110 88 FZB

18 0301 2335 00 8 Washer 8 BRB 84 x 16 x 16 SS

19 3715 7550 00 2 Nipple G1"xG1"

20 0661 1049 00 2 Seal washer TREDO 23

21 0147 1340 03 2 Screw M6S 8 x 100

22 0147 1244 03 2 Screw M6S 6 x 12 FZB

23 0301 2321 00 2 Washer 6 BRFB 64 x 125 x 15

3716 6329 90 Spare part kit

7 1 Pressure sensor

16 1 Hose



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mud flow meter diamec u-series ed.0

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