HEATER ; ON / OFF INLINE CONTROL VALVE ON LATER Mk2 & Mk3 MODELS
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Right lads and Lassies ,
I have a wee observation about the later Robin / Rialto inline heater on/ off control .
CHECK THAT YOUR CONTROL VALVE IS FULLY OPEN .
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Picture 1 shows one model of control valve in the fully open position
LATER RIALTO / ROBIN Mk2 & Mk3 models ;
INLINE HEATER CONTROL SHOWING FULLY OPEN POSITION ;
Note that there is still a small pimple type bit still sticking into the bore ! !
NOTE ALSO THAT ON THIS TYPE OF CONTROL VALVE THAT
THE LEVER IS IN THE OPEN POSITION WHEN THE HEATER KNOB WOULD BE PULLED OUT .
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Picture 2 shows the other model of control valve in the fully open position
{ My personal preference is for this model of control valve }
THE FOLLOWING CONTROL VALVE IS OPERATED THE OPPOSITE WAY ! !
LATER RIALTO / ROBIN Mk2 & Mk3 models ;
INLINE HEATER CONTROL SHOWING FULLY OPEN POSITION ;
Note that there is still a small pimple type bit still sticking into the bore ! !
NOTE ALSO THAT ON THIS CONTROL VALVE THAT
THE LEVER IS IN THE OPEN POSITION WHEN THE HEATER KNOB WOULD BE FULLY PUSHED IN .
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Picture 3 shows the other model of control valve in the 1/4 closed position
MOVE THE LEVER TO JUST 1/4 OF THE TRAVEL
FROM THE OPEN POSITION TOWARDS THE FULLY CLOSED POSITION .
YOU WILL SEE THAT WHEN THE LEVER IS JUST 1/4 OFF THE OPEN POSITION ,
THAT THE INTERNAL VALVE IS NEARLY FULLY CLOSED .
LATER RIALTO / ROBIN Mk2 & Mk3 models ;
INLINE HEATER CONTROL SHOWING NOT EVEN QUARTER SHUT ;
NOTE ; INTERNAL PLATE NEARLY FULLY CLOSED
Pic 3
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Picture 4 shows the other model of control valve in the midway position
MOVE THE LEVER TO JUST 1/2 THE TRAVEL
FROM THE OPEN POSITION TOWARDS THE FULLY CLOSED POSITION .
YOU WILL SEE THAT WHEN THE LEVER IS JUST MIDWAY
THAT THE INTERNAL VALVE IS FULLY CLOSED .
LATER RIALTO / ROBIN Mk2 & Mk3 models ;
INLINE HEATER CONTROL SHOWING HALF WAY POSITION NOTE INTERNAL PLATE FULLY CLOSED
Pic 4
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CHECK THAT YOUR CONTROL VALVE IS FULLY OPEN .
OR EVEN BETTER WHILE YOU HAVE IT OFF ;
LAUNCH IT AS FAR AS IT WILL GO !!!
AND REPLACE WITH A STRAIGHT THROUGH HOSE .
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