APT M137 Specifications

9949 Tabor Place, Santa Fe Springs, California, CA 90670, U.S.A.

ROCK DRILLS

For assistance in any sales, technical, maintenance or repair questions, please call APT @

Phone: [phone] or [phone] ● Fax: [phone] or [phone]

Website: www.apt-tools.com ● e-mail: [e-mail] TDS-1027 Rev A

© 2011 AMERICAN PNEUMATIC TOOLS, INC.

FIELD OPERATION:

4. Store the tool well oiled.

TROUBLESHOOTING GUIDE:

3. Disassemble and inspect ratchet pawls. If pawls show wear on the corners, they should

9949 Tabor Place, Santa Fe Springs, California, CA 90670, U.S.A.

ROCK DRILLS

TOOL MAINTENANCE & REPAIR INFORMATION

Before use:

1. Fill the reservoir with air tool oil or 10W equivalent for 9 lb and 15 lb class. Use rock drill
oil for the 38 lb and 60 lb class tools.

2. Check all nuts and bolts to ensure they are tight on the tool.

3. Make sure retainer locks into place.

4. Replace retainer and springs if worn.

5. Rotate the chuck bushings to ensure that pawls are engaging.

6. Clean any water and/or dirt from air hose before connecting it to the tool.

During use:

1. Make sure feet are placed squarely on the work surface.

2. For your safety, and that of others, keep constant pressure on the drill bit at all times.

3. When moving from one work area to another, shut off tool.

4. To start drilling the hole, start off with a slower speed.

5. If the drill bit becomes stuck, or bound, shut off tool immediately.

6. Refill oil reservoir approximately every 2 hours.

After use:

1. Flush tool with cleaning solvent, then refill with air tool oil or 10W equivalent.

2. Do not leave tool in water or dirt.

3. Check all nuts to ensure they are tight on the tool.

If you experience loss of power in the tool:

1. Check side rod nuts to ensure they are tight on the tool.

2. Flush cleaning solvent through the tool and then refill immediately with air tool oil or

10W equivalent.

be replaced.

4. While the tool is disassembled, check the cleanliness of the valve and ensure cylinder

ports are clear.

If the tool is blowing air and will not function:

1. Disassemble, check for broken piston or rifle bar, check the rifle nut condition.

2. Check valve system for worn parts, replace if necessary.

3.

If you cannot shut off the tool:

1. Immediately turn off the air source, then disconnect the air supply.

2. Disassemble back head and inspect the throttle valve, replace throttle valve if worn.

For assistance in any sales, technical, maintenance or repair questions, please call APT @

Phone: [phone] or [phone] ● Fax: [phone] or [phone]

Website: www.apt-tools.com ● e-mail: [e-mail] TDS-1028 Rev A

© 2011 AMERICAN PNEUMATIC TOOLS, INC.

MODEL 137

PART # 5223 (7/8″ HEX x 3-1/4″)
PART # 5225 (7/8″ HEX x 4-1/4″)

PART # 5227 (1″ HEX x 4-1/4″)

PART # 5224 (7/8″ HEX x 3-1/4″)
PART # 5226 (7/8″ HEX x 4-1/4″)

PART # 5228 (1″ HEX x 4-1/4″)

Part #

5223

5224

5225

5226

5227

5228

Type

Dry

Wet

Dry

Wet

Dry

Wet

Hex Chuck Size

7/8″ x 3-1/4″

7/8″ x 4-1/4″

1″ x 4-1/4″

Bore Diameter

(inches)

2-3/8″

Stroke (inches)

2-5/8″

Blows per
Minute

2300

CFM @ 90 psi

85 - 90

Weight (lbs)

38

Length (inches)

19-3/4″

Air Inlet Size

1/2″ MALE NPT

9949 Tabor Place, Santa Fe Springs, California, CA 90670, U.S.A.

ROCK DRILL

DRY DRILLING MODELS

WET DRILLING MODELS

The APT Model 137 Rock Drill is a versatile midsize
Rock Drill used in general construction, utility work,
and plant maintenance. It is designed for drilling
through granite, hard faced rock, quarry drilling and
for drilling secondary holes for blasting. It can also
be used in conjunction with dowel hole drilling
machines. The Model 137 is adaptable to wet drilling
application by attaching the APT valve, wet tube and
swivel assembly.

SPECIFICATIONS

For assistance in any sales, technical, maintenance or repair questions, please call APT @

Phone: [phone] or [phone] ● Fax: [phone] or [phone]

Website: www.apt-tools.com ● e-mail: [e-mail] TDS-1033 Rev A

FEATURES

4 drilling speeds

Replaceable piston stem bearing
Available in wet or dry models
Counter clockwise rotation
Rubber handle grips

© 2011 AMERICAN PNEUMATIC TOOLS, INC.

APT MODEL 137

PART # 5228 - WET (1″ x 4-1/4″ HEX)

2386

DRIVER

HEX BUSHING

3552 (7/8″ x 4-1/4″)

2398

2401

2400

2499

CYLINDER

RETAINER

2598 (7/8″ & 1” x 4-1/4″)

2399

PLUNGER

2402
NUT

2396

2387

2366

ASSEMBLY

2368

O RING

2367

COUPLING

2394

BEARING

2382

PISTON

2602

PLUG

2353

KEY

2332 (2)

NUT

2404 (2)

BOLT

2377

RIFLE BAR

2369

ASSEMBLY

2371

2500

2373

2372

2376

2383

RIFLE NUT

2359

WASHER

2605

2364

2378 (4)

PAWL

2380 (4)
SPRING

2375

2379 (4)

2362
2225

O RING

2360

2498

2356

2355

2351

3262

BOLT

1532

2349

3263

2361

861

2359

2602

(DRY

3261

GRIP

2352

3260

2361

2354
NUT

2360

2359

WASHER

861

NUT

2390

WASHER

2601

2497

BACK

2389 - DRY TUBE

3013 - WET TUBE

2391

SPRING

2393

2392

ADDITIONAL PARTS

Wet Tube

3487
NUT

6818

2116

2695

2074

O RING

3389

9949 Tabor Place, Santa Fe Springs, California, CA 90670, U.S.A.

PART # 5223 - DRY (7/8″ x 3-1/4″ HEX)
PART # 5224 - WET (7/8″ x 3-1/4″ HEX)
PART # 5225 - DRY (7/8″ x 4-1/4″ HEX)
PART # 5226 - WET (7/8″ x 4-1/4″ HEX)
PART # 5227 - DRY (1″ x 4-1/4″ HEX)

ROCK DRILL

PLUG

DRY HEAD ASSEMBLY

(2497 BACK HEAD+2602 PLUG)

VALVE

SWIVEL

CYLINDER

2385 (7/8″ x 3-1/4″)

2604 (1″ x 4-1/4″)

SWIVEL

2397 (7/8″ x 3-1/4″)

For assistance in any sales, technical, maintenance or repair questions, please call APT @

Phone: [phone] or [phone] ● Fax: [phone] or [phone]

FOR WET HEAD

To convert tool for wet use, remove 2602

Plug and 2389 Dry Tube, then add 3389

Swivel Assembly, 2116 Valve and 3013

Website: www.apt-tools.com ● e-mail: [e-mail] TDS-1034 Rev A

© 2011 AMERICAN PNEUMATIC TOOLS, INC

18755 SAFETY CABLE, HOSE TO TOOL

9949 Tabor Place, Santa Fe Springs, California, CA 90670, U.S.A.

ROCK DRILLS

ACCESSORIES, SERVICE AND REPAIR KITS

M109

18796 SIDE ROD KIT
16896 WHIP HOSE ASSEMBLY WITH OILER
16894 WHIP HOSE ASSEMBLY WITHOUT OILER
18781 O RING AND SEAL KIT
18747 SWIVEL ASSEMBLY (1/2” HOSE BARB)

M115

18794 LATCH KIT
18797 SIDE ROD KIT
16897 WHIP HOSE ASSEMBLY WITH OILER
18782 O RING AND SEAL KIT
17193 UNIVERSAL COUPLER

M137

18798 SIDE ROD KIT
18748 WHIP HOSE ASSEMBLY WITH OILER
18783 O RING AND SEAL KIT
17194 UNIVERSAL COUPLER

M155

18756 MUFFLER KIT
18799 SIDE ROD KIT
18748 WHIP HOSE ASSEMBLY WITH OILER
18784 O RING AND SEAL KIT
17195 UNIVERSAL COUPLER

ALL MODELS

18754 SAFETY CABLE, HOSE TO HOSE

For assistance in any sales, technical, maintenance or repair questions, please call APT @

Phone: [phone] or [phone] ● Fax: [phone] or [phone]

Website: www.apt-tools.com ● e-mail: [e-mail] TDS-1037 Rev A

© 2011 AMERICAN PNEUMATIC TOOLS, INC