Graco EM5 238457, Instructions-Parts List Manual

Page: 18 / 24

18 308487
Service
Replacing the Battery
Do not change the battery while anything is
shown on the display. You must wait until the
unit falls asleep and the display is blank before
you remove the battery. If you remove the
battery while something is shown on the display,
the unit will lose that information from memory.
CAUTION
FIRE AND EXPLOSION HAZARD
Only
replace the battery in a
non-hazardous location, away from
flammable fluids or fumes.
Battery required to meet safety approvals:
Duracell
R
MN1604, PC1604
or
Eveready
R
EN22, 522
WARNING
To change the battery (8), remove the battery cover
(2), and put a new battery in place of the old one.
Security Seal Option
The security seal is used to prevent access to the
inside of the meter and tampering with the meter
settings. Sealing provisions accommodate typical
Weights and Measures official seal wires and security
requirements. See Fig. 6.
Tabs for tamper-evident
security seals, one on
each side of meter, pre-
vent opening of the cover.
06042C Fig. 6
Replacing the Filter
The filter (25) is replaceable. To replace the filter, do
the following:
1. Relieve the pressure.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 5.
2. Unscrew the hose from the swivel (3).
3. Remove the o-ring (27) and the filter (25) from
inside of the swivel (3) with an o-ring pick.
4. Push the new filter (25) into the swivel (3), and
make sure it is properly seated.
NOTE: Orient the new filter (25) so the concave side
of the screen points downstream, as shown below.
27
3
25
8235A
5. Replace the o-ring (26).
6. Thread the hose back into the swivel (3).