Replacing The Diaphragm And Pump Head; Aligning The Mechanical Stroke Adjustment - Ecolab Elados EMP III E60 Mode D'emploi

11.2

Replacing the diaphragm and pump head

 Safeguard piston rod (pos. 9) from twisting with fork wrench SW 8 (diaphragm and
intermediate piece may need to be twisted in order to get the piston rod wrench surface
into the right position).
 Twist out diaphragm (pos. 4), intermediate piece (pos. 8) and support disk (pos. 5).
 Ensure that the attachment holes are aligned when tightening the diaphragm and the
intermediate piece.
WARNING
 Remove the fork wrench and turn the diaphragm and intermediate piece as one unit
until the housing holes are aligned, and the leakage hole (A) points down-wards
 The metering head should be evenly diagonally tightened.
NOTE
WARNING
11.3

Aligning the mechanical stroke adjustment

The metering pump is set in the factory at the rated pressure in accordance with the
metering curves. If the actual metering rate does not match the value shown on the % scale
(for example, after pulling out the adjusting button and reinserting it elsewhere), the basic
setting can be created as follows:
Fig. 11.5 Maintenance: Aligning the mechanical stroke adjustment
NOTE
417101441_EMP_III_E60.docx
Only screw in the diaphragm by hand. (Do not use a tool!)
Torque of the metering head screws = 6 ±1 Nm.
Check the torque of the metering head screws after 24 hours!
 Switch on the metering pump
 Set the button at 100 % and, with the pump in operation, rotate
the adjusting screw clockwise until tension becomes apparent.
 If no resistance is achieved, pull the button out at the "0" setting
and repeat process 2.
 Then pull the button out and reinsert the adjusting notch and
marking at the "0" setting on the scale and set the required
metering capacity.
The pump capacity has to be measured in order to determine the metering capacity
accurately (see chapter Fehler! Verweisquelle konnte nicht gefunden werden.
"Calibration").
Fig. 11.4 Replacing the diaphragm and pump head
Pos. Description
1
Metering head screws
type 00160 – 00540 4 pieces,
type 00800 – 01200 6 pieces
2 Cover plate
3 Pump head
4 Diaphragm
5 Supporting disk
6 Sandwich plate
7 Screws (4 pieces)
8
Intermediate piece
9 Piston rod
10 Stopper
 Loosen attachment screws (pos. 1).
 Remove the cover plate (pos. 2) on the
metering head (pos. 3),
 Prise out stopper (pos. 10) with screwdriver.
- 121 - Rev. 13-10.19