A squeegee assembly (10, 10′) includes a flexible wiper blade (30) sandwiched between a mounting bracket (32, 32′) and a retaining strap (34, 34′). A retainer (94) has a head (98) which is positionable between aligned and misaligned positions with mounting apertures (82, 92) to allow disassembly, assembly and retention of the squeegee assembly (10, 10′). Arcuate portions (36, 36′, 66, 66′) formed in the mounting bracket (32, 32′) and the retaining straps (34, 34′) have different radiuses. Linear portions (68, 68′, 70, 70′) of the retaining straps (34, 34′) have upper and lower edges (72, 74) bent from center portions thereof. The mounting brackets (32, 32′) include L-shaped slots (46) for slideably receiving vertical bolts (56) of the floor maintenance machine (12).