IF ITS A TILT AND TURN WINDOW (OPENING IN) THERE ARE ALLEN KEY ADJUSTERS UNDER SLIP OF PLASTIC COVERS ON HANGING SIDE BOTTOM WHICH WILL LIFT OR LOWER OPENER, SAME ON TOP BUT THESE TIP OPENER ACROSS OR BACK, ON OPENING SIDE ON THE LOCKING PINS SOME HAVE A CAM PIN WHICH IN THE CENTRE HAS A ALLEN OR STAR KEY ADJUSTER. ON STD WINDOWS THERE SHOULD BE A CAM AFFECT LOCKING PINS WHICH TURN AROUND TO ADJUST TIGHTNESS OF SASH, IF ON A TALL OPENING SASH ON HINGE SIDE , PLASTIC WEDGES ARE USED ONE ON SASH AND ONE ON FRAME REBATE OPPOSITE SO WHEN IT SHUTS UP IT LOCATES EACH WEDGE TOGETHER , LOCATING SASH TIGHTER TO THE RUBBER SEAL, D/G SUPPLIES HAVE THEM .
MARTIN HIGGINS, January 2008
