5
Maximum Total Head
Model No. Max. Total Head (m) Model No. Max. Total Head (m)
SLS100 18.6 SLL400 23.0
SLS150 20.1 SLL1503F 21.0
SLS200 21.0 SLL2003F 22.2
SLS300 22.0 SLL3003F 22.6
SLL200 21.3 SLL4003F 22.3
SLL300 22.0
Emptying the Strainer Basket
The strainer basket should be inspected frequently through the transparent lid and emptied
when a build up of rubbish is evident. The directions below should be followed.
1. Switch off pump.
2. Close all valves in pipework.
3. Unscrew the strainer basket lid anti-clockwise and remove.
4. Remove the strainer basket by lifting upwards from its housing.
5. Empty the trapped refuse from the basket. Hose out with water if necessary.
6. Check the strainer basket for cracks, replace the strainer basket in the pump if OK.
7. Replace the lid and ensure that it seals on the large rubber oring. Firm hand tightness only
is required. The oring & thread can be lubricated with Hydra slip or equivalent products.
8. Open all valves in pipework.
Failure to undertake regular maintenance may cause damage not covered
by warranty.
Trouble Shooting
If the pump runs but there is no water ow or water ow is reduced, the following
condition may apply:
1. The lter requires backwashing or it is blocked. Refer to the relevant section in the Filter Manual.
2. The pump is not primed. Re-prime as per instruction in ‘Starting the pump’
3. There are air leaks in the suction piping. Check all piping and eliminate leaks, also check
for a loose strainer basket lid. Air bubbles in the water owing back to the pool would
indicate a leak in the suction to the pump allowing air to enter the pipework.
4. A leaking pump shaft seal may also prevent operating. Evidence of this would be water on
the ground under the pump.
5. The pump is not able to get water from the pool. Check that the valves to the pump are
fully open and that the pool water level is up to the skimmer box.
6. Blockage in the piping or pump. Remove the strainer basket and check for any blockage
to the pump impeller entry. Check the skimmer box for blockage.
If the pump does not operate, the following conditions may apply:
1. The power is not connected. Check the power point by plugging in a portable appliance to
ensure power is available. Also check fuses and the main power supply switch
2. Automatic overload is tripped following an overheating period. The pump has an in-built
thermal overload which will re-set after the motor has cooled and the power supply has
been re-set (turn off and back on). Determine the cause of the overload tripping and rectify.
3. Blockage is preventing the pump from rotating.
4. Motor is burnt out - burning smell is evident. Replacement is required.
If you are unable to resolve any installation or operation difculties with your Silensor
, contact
the supplier from whom the pump was purchased or your nearest Authorised Davey Pool
Equipment Service Centre. If any further assistance is required, contact the Davey Customer
Service Centre at the address indicated in this manual.
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