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Clarke
®
Operator's Manual (EN) - BOOST 28 - 5 -
SPECIFICATIONS:
Model BOOST 28
Machine Power Supply 24 Volt D.C.,
(4) 6V 250 AH Deep Cycle Batteries or
(4) 6V 330 AH Deep Cycle Batteries
Pad or Brush 1 per Machine
Traverse 0.5 hp (0.4 kW) Transaxle
Traverse Forward Speed Variable to 250 ft./min (76 m/min)
Traverse Reverse Speed Variable to 190 ft./min. (58 m/min)
Battery Protection Low Voltage
Motor Vacuum 3/4 HP, 3 stage, Acoustical High Efficient Tangential
Solution Tank 20 Gallons (76 liters)
Solution Level Calibrated level indicator on rear of machine
Recovery Tank 20 Gallons (76 liters)
Recovery Full Indicator Electric Shut-Off
Parabolic Squeegee Swing type with breakaway feature, No tool operation feature
39 inches (99 cm) hard width with 41 inches (104 cm) flex blade width.
Squeegee Operation Reverse direction on floor and 3 - position manual lever style operation
Cleaning Swath 28 inches (71 cm)
Motor, Brush 3/4 hp (0.56 KW)
Brush / Pad Size 14" x 28" (35.6 cm x 71 cm)
Brush Speed 2250 RPM
Brush Pressure 100 lbs. (45.4 kg)
Drive Wheels (2) 8 in. x 2 in. (20 cm x 5 cm) Neoprene tread
Caster Dual 4 in. x 2 in. (10 cm x 5 cm)
Charger 24 V D.C., 25 Amp, 115/60, on-board optional
Grade Cleaning 5 Degree (6%)
Length 56.25 inches (143 cm)
Width 28.75 inches (73 cm)
Height 43 inches (109 cm)
Weight w/batteries (250 AH) 586 lbs. (266 kg)
Line of Sight (from Operator
Height): 68 inches (173 cm) 7.5 feet (2.3 m)
Noise 71 dBA
Vibration < 2.5 m/s
2
Introduction & Machine Specifications
Introduction & Machine Specifications
Clarke’s newly designed BOOST 28 automatic scrubber is an efficient and superior floor cleaning
machine. The BOOST 28 uses an orbital movement to scrub a path 28 inches wide. A squeegee wipes
the floor while the vacuum motor removes the dirty solution from the floor - all in one pass.
The BOOST 28 comes complete with four - 6 volt batteries, one battery charger, a brush or a pad, and
one operator’s manual.