Endress+Hauser Fieldbus Levelflex M FMP43 Operating Instructions Manual page 24

Installation
24
3.5.2 Cleaning of the probe outside of the tank
The probe can be disassembled so it can be cleaned better.
The disassembly requires the following
tools:
• Note!
vise with fiber braces (surface protection for
the polished probe rod)
• hook wrench for sanitary process connections
(diary or SMS)
• open-ended wrench AF27 / AF32 with a
torque adjustement up to 20 Nm
Before disassembly, it has to be make sure
that the supply voltage for the device is
switched off!
• Note!
Disassembling the housing for calibration
purposes:
When releasing the slotted nut ➀ make sure
to counterhold at the process connection ring
➄ with an open-ended wrench as the adapter
➂ could otherwise be released from the
flange. In hazardous or contaminated areas,
seal the adapter with a protective cover ➆ (see
Accessories) (20 Nm) and integrate into the
local potential equalization where necessary.
• unscrew the grooved nut m with hook
wrench.
• remove the unscrewed housing n together
with the housing adapter from the adapter o
of the process connection. The housing
adapter is still connected with the housing. At
the remote version: remove only the cable
adapter.
• Replace O-ring ➇ where necessary.
Order number, see → ä 86
Disassembly of rod probe:
• unscrew adapter o from the process
connection (as example: flange): unscrew
adapter at the wrench faces with hook
wrench (AF27) and pull it out of the tank
together with the rod probe (length max. 4
m).
• clamp probe rod p in the vise.
Attention: Protect the surface of the polished
probe rod. It should not be affected by marks
and notches.
• unscrew adapter o from the probe rod
(approx. 12 rotations counter-clockwise and
remove (plug connection). The probe rod is
screwed in the insulating bush with 4.5 Nm.
• The O-rings r of the probe rod and adapter
are now free accessible respectively
changeable. The probe rod can be cleaned
(autoclaved).
O-ring order numbers, see → ä 86.
Levelflex M FMP43 with FOUNDATION Fieldbus
2
F12/F23/T12
E N E N
D R D R
E S S E S S
L e v L e v
O rd O rd
e lf le e lf le + H + H
e r C e r C
A U A U
S e r. S e r. o d e o d e x M x M
S E R S E R
-N o -N o : :
.: .:
M e M e
ss b ss b
M e M e e re e re
as u as u ic h ic h
ri n g ri n g
ra n ra n
g e g e
U 1 U 1 m ax m ax
6 .. .3 6 .. .3
. 2 0 . 2 0
4 .. .2 4 .. .2 6 V 6 V
m m
0 m 0 m D C D C
A A
T T
A A > 7 0 > 7 0
°C °C
: :
1
8
5
7
I P 6 I P 6
5 5
t > t >
8 5 °C 8 5 °C
3
6
6
4
L00-FMP43xxx-17-00-00-xx-007
Endress+Hauser