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4.3.4. Motor Replacement (Remote/Optimum/Trim Switch Control)
The gas rate adjusting motor is replaceable
in situ.
1. Remove the batteries from the receiver
unit to prevent the risk of short circuit.
2. Remove the two motor connection tags
from the valve.
3. Remove the valve cover securing screw
(see
Figure 85
).
4. Pull out the HT lead from the side of the
valve.
5. Unclip the valve cover from the valve on
the right hand side by inserting a very
small screwdriver in the slot on the right
hand front of the cover and gently pull
towards you to remove the cover.
6. Turn the gas rate adjusting knob fully
anticlockwise and gently manipulate the
motor free from the valve (see note).
(See
Figure 86
&
Figure 87
).
7. Replace with new motor ensuring that
the motor is hooked into the right hand
lug.
8. Replace the cover and secure with the
screw. Refit the HT lead.
9. Remake the motor connections ensuring
that the large tag is fitted to the large
spade (top connection) and vice versa.
10.
Replace the batteries ensuring the
correct polarity.
11. Operate the hand set to check the
operation of the motor.
Valve Cover
Securing
Screw
HT
Lead
Figure 85
Figure 86
Gas Rate Adjusting
Knob
Drive
Motor
Figure 87
Note
: Operating the gas rate adjusting knob manually will cause the motor clutch
to operate. This is normal and will not affect the valves’ operation.
Summary of Contents for Ekos 16"
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