Craftsman 351.211970 Operator's Manual download pdf (Page 6)

Refer to Figures 5, 7, 8 and 9.

Craftsman 12-Speed Mill Drill Model 21197 is a rugged-

ly constructed machine providing accurate milling,

drilling and boring capabilities. The fully enclosed R-8

spindle has heavy-duty tapered thrust bearings at top

and bottom of quill, adjustable depth stop with scale,

fine feed adjustment handwheel with .001" graduations

and quill lock down handle for securely clamping spin-

dle at desired depth. One piece cast iron head rotates

360 ° and travels vertically by rack and pinion.

Hinged pulley cover allows fast and easy speed

changes. Large 31_ x 9¾" table has dovetail ways with

adjustable gibs and bronze lead screw nuts for accurate

and rigid table positioning. Table has four %" T-slots,

zero-setting handwheel dials with .001" graduations,

adjustable stops for longitudinal feed and cross feed

way cover.

A 1_/2HE 1725 RPM, 115/230 volt, 60 Hz single-phase

motor and 115v work lamp are included. Prewired for

230v.

Craftsman Mill Drill comes with a heavy-duty stand.

Stand is 14 gauge steel providing strength and rigidity.

Stand features mounting flanges for mounting stand to

floor, large chip pan, mounting bolts and leveling pads.

SPECIFICATIONS

12 Speeds ............ 120, 190, 230,285, 370, 440,

770, 1040, 1220, 1450, 1800, 2500 RPM

Table size ............................ 31_ x 9_"

T-slots ............................. %" slots, four

Swing .................................... 16"

Spindle taper .............. R-8 with W'-20 drawbar

Drilling capacity .................... 1¼" mild steel

1_" cast iron

End mill capacity .................... ¾" mild steel

Face mill capacity .................... 3" mild steel

Spindle stroke ............................... 5"

Max. distance spindle to table ................ 17_"

Head swivel .............................. 360°

Quill diameter ............................... 3"

Quill collar diameter .................. 3_" (96mm)

Column diameter ........................... 4_"

Left-right table travel (longitudinal) .............. 23"

Front-back table travel (cross) .................. 7"

Overall dimensions .................. 44 x 39 x 79"

Shipping weight ......................... 825 Ibs

CAUTION: Always observe the following safety

precautions:

• Clamp workpiece or brace against column to prevent

rotation.

• Feed work into a bit or cutter against the direction of

rotation of bit or cutter.

• Use recommended speed for mill drill accessory and

workpiece material.

WARNING: Some dust created by power sanding,

sawing, grinding, drilling, milling and other construction

activities contains chemicals known to cause cancer,

birth defects or other reproductive harm.

Some examples of these chemicals are:

• Lead from lead-based paints.

• Crystalline silica from bricks and cement and other

masonry products.

• Arsenic and chromium from chemically-treated lumber.

Your risk from these exposures vary, depending on how

often you do this type of work. To reduce your exposure

to these chemicals: work in a well ventilated area and

work with approved safety equipment. Always wear

OSHA/NIOSH approved, properly fitting face mask or

respirator when using such tools.

ADJUSTING HEAD

Refer to Figures 7 and 9.

Loosen hex nut (Figure 7, Key No. 24) with wrench

(Figure 7, Key No. 23). Head can be rotated 360 °

around column by hand. Be sure rack (Figure 9, Key

No. 6) does not bind. Raise or lower head by turning

head adjusting crank (Figure 7, Key No. 34). Be sure to

tighten both hex nuts after adjusting head.

CHANGING SPEED

Refer to Figures 5 and 8.

Craftsman mill drill is a 12-speed machine. Spindle

speeds are determined by location of V-belts on three

pulleys.

• Always push stop button and disconnect power from

machine before changing speeds.

• Open cover access door. Pulley cover top can be tilt-

ed back for speed changes. Be sure to close cover

when finished.

• Loosen handle (Key No. 26) and push motor mount

plate (Key No. 33) toward head. Tighten handle.

• Loosen transmitting pulley base (Key No. 41) by

loosening hex head bolts (Key No. 46). Place V-belts

on pulleys for desired speed as shown in speed

chart (See Figure 4, page 5).

• Tension front V-belt (Key No. 53) by pushing middle

pulley away from spindle pulley. Tighten hex head

bolts.

• Loosen handle and push motor mount plate away

from head to tension rear V-belt. Tighten handle.

Check belt tension and adjust if necessary. Close

pulley cover.

• Secure pulley cover latches.

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Craftsman 351.211970 Operator's Manual Page 6

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