6” Submersible Borehole Pumps Installation and Operating Instructions Please pass these instructions on to the operator of this equipment.
Safety Thank you for purchasing a quality Davey product. These operating instructions contain fundamental information which must be complied with during installation, operation and maintenance. Therefore this operating manual must be read and understood both by the installing personnel and the responsible trained personnel/operators prior to installation and commissioning, and it must always be kept close to the location of operation of the machine/unit for easy access.
1. Delivery and Storage The pump must be installed so that the suction motor adaptor is completely submerged in the liquid. The pump can be installed either horizontally or vertically, see also section 3.1 Positional Requirements. 1.1 Delivery These submersible pumps are supplied from the factory in proper packing in which they should remain until they are to be installed.
1. Start the pump and check the head developed with gate the valve partially open. 2. Stop the pump and interchange two of the phase connections. 3. Start the pump and repeat point 1. with gate valve in the same position. 4. Stop the pump. 3.2 Diameter of Pump/Motor The maximum diameter of the pump and of the pump with motor is as shown in the table below: Diameter with 1 cable cover Diameter with 2 cable covers External Motor Diameter Pump 6” 141 145 - Pump 6” with motor 4” 141 - 95.
.4 Lowering the pump It is recommended to check the well by means of an inside calliper before lowering the pump to ensure unobstructed passage. Lower the pump carefully into the well, taking care not to damage the motor cable. NOTE: Do not lower or lift the pump by means of the motor cable. Fig. 5.4 Fig. 6 5.5 Installation Depth The dynamic water level should always be above the suction motor adaptor of the pump. The minimum safety margin should be 1 metre head at the bores lowest water level.
8. Water Temperature 10. Maintenance and Service Reduced motor loading in water over 30oC (86oF) If the pump has been used for a liquid which is hazardous to health or toxic, the pump will be classified as contaminated. Approximate Allowable % of Maximum Nameplate Amps Water Through 3 hp 5-15 hp Temperature (2.2 kW) (3.7-11 kW) Over 15 hp (11 kW) 35ºC 100% 100% 90% 40ºC 100% 90% 80% 45ºC 90% 80% 70% 50ºC 80% 70% 60% 55ºC 70% 60% 45% 10.
11. Fault Finding 12. Disposal Disposal of this product or parts of it must be carried out using the local public or private waste collection service.
Davey® Repair or Replacement Guarantee In the unlikely event in Australia or New Zealand that this Davey product develops any malfunction within one year of the date of original purchase due to faulty materials or manufacture, Davey will at our option repair or replace it for you free of charge, subject to the conditions below. Should you experience any difficulties with your Davey product, we suggest in the first instance that you contact the Davey Dealer from which you purchased the Davey product.
