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P/N 450368-03 Rev. E
23
S
ECTION
8:
M
AINTENANCE
The GranuFlo Dissolution Unit II has been designed for ease of use and trouble free operation. However, a
minimal amount of preventive maintenance is required in order to maintain the GranuFlo Dissolution Unit II
in good working condition and minimize the possibility of a system malfunction.
The recommended program for proper care of the GranuFlo Dissolution Unit II consists of four basic steps.
They are: (8.1) Visual inspection, (8.2) Cleaning, (8.3) Sodium Hypochlorite (Bleach) Disinfection and (8.4)
Filter Maintenance.
8.1.
V
ISUAL
I
NSPECTION
Visually inspect the GranuFlo Dissolution Unit II prior to mixing a batch. The operator should look for any
defects which may inhibit the safe or proper operation of the Unit. Items such as damaged hydraulic
hoses or fittings, damaged electrical cables or connections, loose, missing or damaged hardware or
process contamination should be corrected prior to the use of the GranuFlo Dissolution Unit II.
Should the power cord or plug become cracked, frayed or otherwise damaged, it should be replaced
immediately. Tag unit “OUT of SERVICE” until the repair is made. Always remove the power cord from
the power source before attempting to service this device. Never unplug the unit by pulling on the
power cord.
8.2.
C
LEANING
Clean the exterior surface of the Fresenius Medical Care GranuFlo Dissolution Unit II thoroughly after
each batch of concentrate is mixed. If necessary, a mild detergent solution may be used to clean the
exterior surface. Care should be taken not to contaminate the system interior. All spills should be
wiped off immediately. Spillage at the control panel should be avoided in order to minimize the
possibility of electrical malfunction.
8.2.1.
P
REVENTIVE
M
AINTENANCE
(SEE TABLE 1 ON PAGE 30)
8.3.
S
ODIUM
H
YPOCHLORITE
(R
EGULAR
B
LEACH
)
D
ISINFECTION
1.
To start the disinfection process, power OFF the GranuFlo Dissolution Unit II , remove the Filter Housing
and discard the Filter Element. Place the residual fluid from the Filter housing in the
Residual Solution
Bucket.
Reinstall Filter Housing, but do not insert a Filter at this time. Connect the Transfer Nozzle to
the end of the Dissolution Unit’s Transfer Hose and make sure the valve on the Transfer Nozzle is in the
CLOSED position. In addition, loosen the top Access Lid, but leave it in place. Ensure you have the
appropriate personal protective equipment donned.
WARNING!
T
O PREVENT ACCIDENTAL SHOCK HAZARD
,
THIS DEVICE MUST BE PLUGGED INTO A PROPERLY GROUNDED
GFI
PROTECTED THREE WIRE RECEPTACLE
AC
CIRCUIT
.
D
O NOT EMPLOY EXTENSION CORDS OF ANY KIND
.
W
HEN THE
POWER CORD IS NOT LONG ENOUGH TO BE SERVICEABLE
,
A LICENSED ELECTRICIAN MUST INSTALL A NEW THREE WIRE
GROUNDED RECEPTACLE IN ACCORDANCE WITH THE
N
ATIONAL
E
LECTRICAL
C
ODE
.
D
O NOT USE A THREE TO TWO
PRONG PLUG ADAPTER WITH THIS DEVICE
.
CAUTION!
D
O NOT USE CHEMICAL CLEANING AGENTS THAT MAY DAMAGE THE MATERIAL USED IN THE
G
RANU
F
LO
D
ISSOLUTION
U
NIT
II.
A
GENTS WHICH CONTAIN
BENZENE,
TOLUENE,
XYLENE,
ACETONE
OR ANY OTHER
AROMATIC
OR
KETONE
SOLVENTS MUST BE AVOIDED
.
NOTE:
U
S
E
O
NLY
5%
TO
10%
S
ODIUM
H
YPOCHLORITE
(R
EGULAR
B
LEACH
)
TO DISINFECT THE
G
RANU
F
LO
D
ISSOLUTION
U
NIT
II.
WARNING!
ENSURE THE TRANSFER HOSE IS NOT CONNECTED TO A CONCENTRATE STORAGE
CONTAINER/TANK.
Содержание GranuFlo 450368-03
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