Dotco 21D Series Manuale delle parti - Pagina 2

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PL32--21D

September 14, 2001

PISTOL GRIP

Catalog

Numbers

21D--100G--38*

21D--101G--38

21D--102G--38

21D--103G--38

21D--104G--38

21D--105G--38

21D--106G--38

21D--107G--38

NOTE: "Model level 'G' " or other letter identifies the vintage of the tool and is used for identification or when

ordering spare parts since parts interchangeability may be affected. This letter is usually stamped on the tool's

nameplate in the position indicated. Do not use when ordering new tools.

GEARING REASSEMBLY

Planetary Gearing

Place a small amount of grease in each planet gear, as illustrated

at right, and place on a smooth clean surface. Insert a planet pin

— notched end up — in each gear. Then, install the correct

number of rollers ( 12 ) around each gear. Grease will hold the

rollers in position when the planet gears are removed.

Timing of the Step Reduction Gear Assembly

Assemble the planet gears into the planet cage, making sure the

notched planet pins fit over the planet cage washer. Rotate each

gear until the aligning hole — on the wnd of one gear — is

diametrically opposite the "X" mark of the other gear. Hold the

gears in this position and slip the planet cage into the internal

gear. This is important to avoid "wiping out" the gear teeth.

This is the only position where the gear teeth are lined up.

STRAIGHT HOUSING

Catalog

RPM

Numbers

25,000

21D--500G--38*

5,200

21D--501G--38

3,800

21D--502G--38

3,200

21D--503G--38

2,400

21D--504G--38

1,000

21D--505G--38

700

21D--506G--38

500

21D--507G--38

Tool Termination Number

RPM

[ 38* ]

-- standard with 1/4" chuck (1BA)

24,000

[ 40 ]

-- no chuck

4,750

[ 42 ]

-- Hvy Dty 1/4" chuck (7BA)

3,500

[ 43 ]

-- Hvy Dty 3/8" chuck (2BA)

2,800

[ 47 ]

-- 5/16" chuck (20BA)

2,100

[ 51 ]

-- 3/8" chuck (41BA)

900

[ 54 ]

-- 1/4" Hex

650

( * ) Indicates the standard duty 1/4" chuck

500

will be shipped unless otherwise specified.

FLAT SURFACE

Models:

21D--104

21D--504

DRILL POINT

Page 2

PLANET PIN

GREASE

PLANET

GEAR

"X"

STAMPED

Figure 1

Figure 2