Minnich A-1C, Operators & Service Manual

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A-1C
Single Drill, On Slab Unit
Three position drilling with 48” unit: Horizontal, Vertical and 35 degree stitch
Urethane filled tires
3-1 skew drilling standard
Adjustable drill height and depth
Dust collection is available
Specifications shown are standard. Variations to the standard are available.
*Based on 2 piece steel and bits. Whirlybits should be 1” longer for maximum drilling depth.
Model A-1C-48 A-1C-36 A-1C-30 A-1C-24
Drill Steel Shank
.875” x 4.25”
(22.2mm x 107.9mm)
.875” x 4.25”
(22.2mm x 107.9mm)
.875” x 3.25”
(22.2mm x 82.6mm)
.875” x 3.25”
(22.2mm x 82.6mm)
Drill Steel Length U.C.
24”(61.0cm) 12”(30.5cm) 12”(30.5cm) 9”(22.9cm)
Drill Bit Diameter
.625” – 2.50”
(15.9mm to 63.5mm)
.625” – 2.50”
(15.9mm to 63.5mm)
.625” – 1.625”
(15.9mm to 41.3mm)
.625” – 1.00”
(15.9mm to 25.4mm)
*Maximum Drill Depth
18” (45.7cm) 10” (25.4cm) 10” (25.4cm) 7” (17.8cm)
Drill Distance
From Top of Slab
2.5” – 12.75”
(6.4cm to 32.4cm)
2.5” – 12.75”
(6.4cm to 32.4cm)
2.5” – 12.75”
(6.4cm to 32.4cm)
2.5” – 12.75”
(6.4cm to 32.4cm)
Minimum Cutout Width
48” (121.9cm) 36” (91.4cm) 30” (76.2cm) 24” (61.0cm)
SCFM Required 92.2 (2.61 m
3
/min) 92.2 (2.61 m
3
/min) 75 (2.12 m
3
/min) 36 (1.02 m
3
/min)
PSIG Required 90 (0.62MPa) 90 (0.62MPa) 90 (0.62MPa) 90 (0.62MPa)
Weight
700lbs. (317.5kg) 665lbs. (301.6kg) 630lbs. (285.8kg) 605lbs. (274.4kg)