Coupler Sleeve #7 Drive Coupler Carpet Boosters & Additives is usually telling you the

is usually telling you the pump seal has gone

Vacuum the area to be cleaned thoroughly before any cleaning process

3/4 inch FPT

A failed check valve lets the line drain back

Compatible with Protimeter pin-type moisture meters

Coupler Sleeve #7 Drive Coupler Carpet Boosters & Additives is usually telling you theOverview Drive coupler sleeve, part number 152 009, listed as the sleeve for the #7 drive coupler. The sleeve is the sacrificial element in a jaw type drive coupling. It sits between the two coupler halves and takes the torsional shock, so it wears while the metal halves and the shafts either side of it do not. Machine fitment Used on the CTS 400 Flex. That is confirmed from our own service records rather than from a published parts list. We hold no