Problem
Air does not come out
of the vent in the RC
handle body.
Control valve RCV does
not open.
RC control valve RCV
does not close.
12
Cause
Twinline hose is clogged or
pinched.
Safety drain valve is still
open.
Air feed to abrasive
blasting machine is not
sufficient.
RC handle channels are
clogged.
Incorrect connection of
TWINLINE hose.
Control valve failure.
Solution
Disconnect the Twinline hose
and ensure that it is not
clogged.
Close the safety drain valve.
Dismantle the control valve, all
parts should rotate freely.
Remove the key and clean it.
Check connections and change
them if they are incorrect.
Disassemble the valve and
ensure that it functions
properly.
CONTRACOR
Version 1.7
®