SAF
– 4500
910101-000341 / 07.2019
Page 16 of 26
DISMANTLING AND ASSEMBLING THE FILTER COMPONENTS
Prior to opening the filter perform a flush cycle by pressing the "TEST" push button.
The Fine screen
Dismantling:
1. Close the filter inlet and outlet valves and release the pressure.
2. Release the lid bolts (23) from their nuts and remove the lid (21).
3. Pull the screen (17) out of the filter housing.
4. Remove the screen seals (16) from the screen.
Assembly:
1. Put the screen seals (16) on the screen edges (17).
2. Insert the screen into the filter housing (1) while the support legs point upwards. After pushing the screen all the way in,
rotate the screen so the legs will support it and lead it to its position.
3. Clean and apply some grease on the suction scanner pipe and on the o-ring of the lower bearing (4).
4. Assemble the lid on the filter housing. Make sure the screen and seal are correctly positioned in the lid seat.
5. Tighten the bolts (23) in a controlled and balanced method. The bolts seats of the lid should touch the bolts seats of the
filter housing.
6. Open the filter inlet and outlet valves and operate the control board.
7. Check proper operation of the filter.
The suction scanner:
Dismantling:
1. Begin the dismantling procedure as per 1-4 in the chapter "dismantling the fine screen".
2. Remove the cover (35) from the drive shaft housing (14) by unscrewing the wing nuts.
3. Remove the Split pin (20) and pull out the connecting pin (19).
4. Pull the suction scanner (18) in a spiral movement out of the filter housing.
5. Unscrew the sealing nut (38).
Assembly:
1. Apply some grease on the smooth side of the suction scanner (18) and insert it into the screen (17). Make sure the scanner
(18) passes through the flushing chamber (3). When the suction scanner shaft appears from its port, apply some grease on it
and tighten the sealing nut (38).
2. Insert the suction scanner shaft (2 on page 23) into the drive shaft (3 on page 22). Make sure the holes in the above shafts are
parallel.
3. Insert the connecting pin (19) to the parallel hole of the suction scanner shaft and the drive shaft and lock it with the split pin
(20).
