8
Prior to installation, unscrew the Brass Plugs 1 and 2 fitted on top of the motor as
shown in Fig.3 below and fill the motor with pure drinking water until it overflows
from the other filling hole. Gently rock the motor to release air bubbles and further
top up if necessary. Then replace the two plugs.
Fig.3 Filling the Motor of OWS With Pure Drinking Water
The Brass Plug 3 mounted on the bottom of the motor is used for draining the water
from within the motor. Ensure all three Brass Plugs are tightened to prevent leakage
of water from within the motor. Check for leakages before lowering the OWS.
WATERPROOFING THE SUBMERSIBLE MOTOR CABLE-SUPPLY CABLE JOINT
CAUTION
*
Hazardous voltage-Will cause death, serious injury,
electrocution.
*
Disconnect all power before working on this equipment
and that it cannot be accidentally switched ON.
9
l
DOL OWS Motors are supplied with a single 3-core PVC insulated flat cable of
length 3 meters.
l
The free end of 3-core cable of the motor needs to be connected to supply cable
from the control panel.
l
As this joint is always nearly submerged under water, the joint needs to be
waterproof.
Refer to sequence shown in Fig.4 below for insulating the cable joint for under
water application:
PROCEDURE FOR JOINING AND INSULATING
THE 3 CORE CONDUCTORS
PROCEDURE FOR INSULATING THE
CABLE JOINT FOR UNDER-WATER CABLE
Fig.4 Cable Joints for Underwater Application
l
SD OWS Motors are provided with two separate 3-core PVC insulated flat cable
each of 3 meters length.
l
Repeat procedure for both 3-core PVC flat cables from the motor to the two
cables from the Control Panel.
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