Macnaught MH450 Manuale utente

MS746

1004

0002

Ensure that the fluid supply to the

meter is isolated and disconnected,

and the line pressure is released

before disassembly.

To prevent damage to the meter

slowly fill the system with fluid

(this will prevent damage caused by

air purge).

Note: Failure to do this could

damage the meter. For pump

applications, turn off the pump at

the end of each day.

Important Information

PLEASE READ THIS INFORMATION

CAREFULLY BEFORE USE!

Industrial Register MH450

Mechanical Register Upgrade

Service Instructions

To remove existing Register

assembly

Ensure that the fluid supply to

the meter is disconnected, and

the line pressure is released

before disassembly.

1] Remove the four screws as

shown in Figure 1 below.

2] Remove the Register front cover

as shown in Figure 2 below.

3] Remove the 4 screws as shown

in Figure 3 below and remove

the register base.

Rotate the Cover plate

1]Remove 6 Socket Head Cap screws

as shown in Figure 4.

2] Remove the Cover plate and

inspect the oring for damage,

replace if necessary.

3] Rotate the cover plate clockwise

one screw hole (60 degrees) as

shown if Figure 4.

4) Tighten the 6 Socket Head Cap

screws.

Dismantle MH450 Register

Refer to the exploded parts diagram

Figure 7 for items numbers.

1] Remove the 4 clamp ring screws

(Item 1)

2] Remove the Clamp ring (Item 2)

3] Remove the Glass face and seal

assembly (Items 3 and 4)

4) Undo the two register Facia

screws (Item 5) and remove the

facia plate (Item 6)

Figure 1 Figure 2 Figure 3

Figure 4 Figure 5

Installing the MH450 Register

Refer to the exploded parts diagram

Figure 8 for items numbers.

1] Install the Gasket (Item 15)

2] Place register body (Item 11) into

position then fit the 4 register

mounting screws and tighten as

shown in Figure 6. Note: The

tumbler mechanism.

4) Replace the remaining items (6,

5, 4, 3, 2, 1) as per “Dismantle

MECH450 Register” instructions

above.

5) When fitting the clamp ring

(Item 2) tighten the 4 screws

evenly to avoid damage to the

glass.

Figure 6

Figure 7 Register Assembly

Complete assembly order MH450s

Item No. No Off. Part No. Spare Part Part Description

1 4 PC210 ClampRingScrew

2 1 MS733 MS733s ClampRing

3 1 MS745 MS745s Glass Face

4 1 MS764 ChannelSeal

5 2 MS439 Screw

6 1 MS768 Facia - Litres M4

6 1 MS769 MS735s includes Item 5 Facia - Litres M10/50

6 1 MS770 MS770s includes Item 5 Facia - US Gallons M4/M50

7 4 MS438 MS740As Screw

8 1 MS740A Register Mech. Assembly

9 1 MS737A MS737As ResetArm

10 1 MS738 Reset Arm Spacer

11 1 MS732 MS732s RegisterHousing

12 1 BS008 O-Ring(Nitrile)

13 1 MS451 MS451s ResetKnob

14 1 MS146 GrubScrew

15 1 MS739 MS739s Gasket

MS734s includes Item 5

Macnaught Industries (‘Macnaught’)

warrants that the Products will be

free from any defects caused by

faulty material or workmanship for

a period of twelve (12) months from

the date of sale of the Products to

the enduser (the ‘Warranty Period’)

PROVIDED THAT, during the

Warranty Period:

1.Macnaught receives notice

setting out full details of any

defect in any Product and details of

the time and place of purchase of

the product:

and

2.the enduser, at its own cost

returns the Product to the

nearest authoised Macnaught

Service Centre.

Macnaught shall, as its option

repair or replace any Product found

defective by its inspection or refund

the price paid by the enduser for

that Product.

Macnaught's liability and the

enduser’s rights under this

warranty shall be limited to such

repair, replacement or refund and,

in particular, shall not extend to

any direct, special, indirect or

consequential damage or loss of any

nature.

Note:

This warranty does not form part

of, nor does it constitute, a contract

between Macnaught and the

enduser. It is additional to any

warranty given by the seller of the

Products and does not exclude,

limit, restrict or modify the rights

or remedies conferred upon the

enduser, or the liabilities imposed

on the seller, by any statue or other

laws in respect of the sale of the

Product.

MacnaughtPtyLtd

ABN66000075785

41-49 HendersonStreet,Turrella,Sydney,NSW,Australia2205

POBox90Arncliffe,Sydney,NSW,Australia2205

InternationalTelephone+61295970401 Facsimile+61 295977773

Email:[email protected]-Webwww.macnaught.com.au

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