Battery Replacement; Parts List - GPI LM50DB Instruction Manual

Positive displacement flowmeters
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SLEEP MODE
If NO flow goes through the meter for 60 seconds the display
will go into sleep mode (Blank). The display will
automatically wake if the buttons are pressed or flow occurrs.

BATTERY REPLACEMENT

All data will be saved when the batteries are removed.
Note: Replace the batteries as soon as the battery
indicator on the LCD is displayed
1) Remove the plastic protector shroud from the meter
body. (fig 1)
2) Remove the battery cover.
3) Replace the 2 x (AAA) Alkaline batteries. (Refer to the
front of the meter for correct battery orientation).
4) Replace the battery cover and re-fit the plastic shroud.
Note: Only use Alkaline batteries.
CAUTION
Ensure the fluid supply to the meter is disconnected and
the line pressure is released before disassembly.
METER DISASSEMBLY
Note: The electronic computer module is non-repairable. The
meter will need to be replaced if found to be damaged or faulty.
1) Remove the 8 x philips head screws (1) from the meter
cover.
2) Remove the meter cover (2) and o'ring (3).
3) Remove both rotors (4).
4) Clean and inspect all parts. Replace any suspect, worn or
damaged components.
METER REASSEMBLY
NOTE: Ensure the rotor with the magnets is assembled on
the same side as the batteries. The magnets in the rotor must
face towards the electronic display .
1) Replace both rotors (4) so as they are at 90
(see fig 2). Check the rotor rotation by turning either of the
rotors. If the rotors are not in mesh correctly or do not
rotate freely remove one of the rotors and replace it
0
correctly at 90
to the other rotor. Re-check the operation of
the rotors.
2) Lightly grease the o'ring (3) and place it on the meter body.
3) Clean the meter cover plate (2) and place it on the body.
Take care not to damage the o'ring (3).
+ -
4) Install the 8 screws (1) and tighten in a diagonal pattern to
5) Test the meter by turning the rotors with a finger or by
PARTS DIAGRAM
Protector Shroud
(fig 1)

PARTS LIST

ITEM
1
to each other.
O
2
3
4
5
6
7
8
1nm (0.73 ft.lb). Visual check the cap has been pulled down
evenly.
applying low air pressure (No more than a good breath)
to the inlet port of the meter. This will confirm the meter
is operating correctly.
4
3
2
1
ORDER FOR REPLACEMENT
PART NO
No. of f PART/SET
N65
8
LM50K02
IM011
1
BS035
1
LM50K01
IM020
2
1
N/A
2
N/A
1
N/A
IM070-BLUE
1
LM50K03
The Rotor with Magnets
( fig 2)
7
6
5
magnets
(fig 3)
DESCRIPTION
SCREW SET
METER COVER PLATE SET
O'RING SEAL
ROTOR SET
METER BODY
BATTERY SET
BATTERY COVER SET
PROTECTOR SHROUD SET
2

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