Harbor Freight 1 2 Hp Mortising Machine Product Manual 35570

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MORTISING MACHINE

MODEL

35570

Visit our website at: http://www.harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

Copyright©1996 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork

contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight

Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual

product may differ slightly from the product described herein. Tools required for assembly and service may not

be included.

For technical questions or replacement parts, please call 1-800-444-3353.

SPECIFICATIONS

Motor

Speed

Vertical Capacity

Throat

Table

Base

Overall Weight

1/2 HP, 2.3 Amps @ 110 V, 60Hz

3580 RPM

5"

5"

13-3/8" x 6"

10" x 7-3/4"

54 lbs.

SAVE THIS MANUAL

You will need this manual for the safety instructions, assembly instructions, operating

procedures, parts list, and diagram. Put them in a safe, dry place for future reference.

IMPORTANT SAFETY PRECAUTIONS

WARNING: When using electric tools, machines or equipment, basic safety precautions

should always be followed to reduce the risk of fire, electric shock, and personal injury.

READ ALL INSTRUCTIONS BEFORE USING THIS TOOL.

1 KEEP WORK AREA CLEAN. Cluttered areas invite injuries.

2. CONSIDER WORK AREA CONDITIONS. Don't use machines or power tools in damp, wet,

or poorIy lit locations. Don't expose to rain. Keep work area well lit. Don't use tools in the

presence of flammable gases or liquids.

3. KEEP CHILDREN AWAY. All children should be kept away from the work area. Don't let

them handle machines, tools or extension cords.

4. STORE IDLE EQUIPMENT. When not in use, tools should be locked up in a dry location to

inhibit rust. If possible, store in an area out of reach of children.

5. DON'T FORCE THE MACHINE OR TOOL. It will do the job better and more safely at the

rate for which it was intended.

6. USE THE RIGHT TOOL. Don't force a small tool or attachment to do the work of a larger

industrial tool. Don't use a tool for a purpose for which it was not intended.

7. DRESS PROPERLY. Don't wear loose clothing or jewelry. They can be caught in moving

parts. Protective, electrically non-conductive gloves and non-skid footwear are recommended

when working, Wear protective hair covering to contain long hair, preventing it from getting

caught in machinery.

8. USE EYE AND EAR PROTECTION. Use a full face mask as the mortising machine will

produce wood chips. Wear a clean dust mask due to fine or coarse dust. When operating for

extended periods of time, use approved ear protection. Face masks, dust masks, anti ear

protectors are available from Harbor Freight Tools.

9. DON'T ABUSE THE POWER CORD. Do not yank it to disconnect it from receptacle. Do not

move bench-mounted or floor-standing machines with the power cord in the outlet. Keep cord

away from heat, oil, and sharp edges.

10. SECURE WORK. Use the included clamps or a vice to hold the work. It's safer than using

your hands and it frees both hands to operate the tool.

SKU 35570 Page 2

11. KEEP PROPER FOOTING AND BALANCE AT ALL TIMES. Do not reach over or across

machines that are running.

12. MAINTAIN TOOLS WITH CARE. Keep tool clean and bits and chisels sharp to provide better

and safer performance, Follow instructions for lubricating and changing accessories. Inspect tool

cords periodically and if damaged, have them repaired by an authorizer1 service facility. Keep

handles dry, clean, and free from oil and grease.

13. DISCONNECT POWER. Unplug when not in use, before servicing, and when changing

accessories such as blades, bits, and cutters.

14. REMOVE ADJUSTING KEYS AND WRENCHES. Make it a habit to heck that keys and

adjusting wrenches are removed from the tool or machine work surface before plugging it in.

15. AVOID UNINTENTIONAL STARTING. Be sure the switch is in the OFF position when not in

use and before plugging in.

16. OUTDOOR EXTENSION CORDS. When the equipment is operated outdoors, use only

extension cords intended for outside use. See chart under "Extension Cords" for the proper AWG

rating depending upon length of the cord.

17. STAY ALERT. Watch what you are doing, use common sense. Don't operate any tool when

you are tired.

18. CHECK DAMAGED PARTS. Before using any tool, any part that appears damaged should be

carefully checked to determine that it will operate properly and perform in its intended function.

Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and

other conditions that may affect its operation. Any part that is damaged should be properly

repaired or replaced by an authorized service center unless otherwise indicated elsewhere in the

instruction manual. Have defective switches replaced by an authorized service center. Don't use

the tool if switch does not turn on and off properly.

19. GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded surfaces: pipes,

radiators, ranges, and refrigerator enclosures.

20. REPLACEMENT PARTS AND ACCESSORIES. When servicing, use only identical

replacement parts. Only use accessories intended for use with this tool. Approved accessories

are available from Harbor Freight Tools.

21. DO NOT OPERATE TOOL IF UNDER THE INFLUENCE OF ALCOHOL OR DRUGS. Read

warning labels on prescriptions to determine if your judgment or reflexes are impaired while

taking drugs. If there is any doubt, do not operate machine.

22. KEEP GUARDS IN PLACE. All guards and fences need to be in proper working order and

alignment. Check before every use.

23. NEVER STAND ON TOOL. If tool is tipped over or if blades or cutters are accidentally

contacted, serious injury could result.

24. NEVER LEAVE TOOL RUNNING UNATTENDED. Always turn off power. Do not leave tool

until it comes to a complete stop.

This machine has a three-prong plug, the third (round) prong being the ground. Plug the

machine's cord only into a three-prong receptacle. Do not cut off the round prong.

If a three prong receptacle is not available, you may use an adapter, but you must then

connect the green ear on the adapter to the outlet. Unscrew the center screw of the outlet cover

GROUNDING INSTRUCTIONS

Page 3 SKU 35570

and put the screw through the green ear. Plug the adapter's two prongs into the outlet, and

replace the center screw. Now plug the machine into the adapter.

Before connecting the tool to a power source (receptacle, outlet, etc.) be sure the

voltage supplied is about the same as that specified on the nameplate of the tool. If one says

120V and the other says 110V then there will be no complications. Never try to plug a 110V

into a 220V outlet, or the other way around. The plug and outlet have completely different

shapes. This is because a power source with a voltage greater than that specified on the tool

can result in a SERIOUS INJURY to the user- as well as damage to the tool. If in doubt, DO

NOT PLUG IN THE TOOL. Using a power source with voltage (110V) less than the nameplate

rating (220V) is harmful to the motor.

Since your tool has a grounded, three-prong plug, you must use a three-prong

extension cord with three prong receptacles. Only use rounded jacket extension cords,

preferable listed by the Underwriters Laboratories (UL). Make sure the cord is rated for

outdoor use if you plan on using the tool outside; if you plan on indoor use, you may also use

an outdoor rated cord. Extension cords rated for outdoor use have the letters "WA" on the

cord jacket.

The extension cord must have a minimum wire size depending on the amperage of the

tool and the length of the extension cord. This size is signified by its AWG (American Wire

Gauge) rating; the smaller the gauge, the greater the cable's capacity. If you are using two or

more cords, the total length of the combined cords must be used to determine the minimum

AWG rating. Each of the cords used must meet this rating.

The chart below is used to determine the rating required according to the length of the

cord(s). The amps of your tool are found either in this manual, or on the nameplate of the tool.

CORD(S) LENGTH (FEET) 25 50 75 100 125 150 175 200

WIRE GAUGE REQUIRED 18 18 16 16 14 14 12 12

Always inspect extension cords for any damage. If there are any loose, frayed or

exposed wires, damaged insulation, or defective connections, replace the cord.

Harbor Freight Tools can supply UL listed and outdoor rated cords in multiple AWG

ratings if needed.

Make sure your tool includes all accessories and pieces required for operation. Check

off according to the list below. If any pieces are missing, contact Harbor Freight Tools at the

number on the front cover.

1. Mortising Machine

2. Handle (24)

VOLTAGE WARNING

EXTENSION CORDS

UNPACKING

SKU 35570 Page 4

3. Bracket A (4)

4. Two Hex Key Screws (5) (for bracket A)

5. Wood Base (6)

6. Two Screws (7, for wood base)

7. Fence (9)

8. Bracket B (11)

9. Four Screws (40, for fence assembly)

10. Clamp (8)

11. Knob (12 ) and Handle (12A)

12. Two Washers (10)

13. Three chisels and mortising bits (1/4", 3/8", & 1/2")

14. Chuck Key (47)

1. Slide handle (24) into the receiver hole on the right side of the gear shaft (20). The

handle's end should protrude about a 1/2". Tighten the set screw (19).

2. Using the handle, lower the head of the machine slightly. This will permit removal of the

retaining half-washer located on the gear column (15). Gently allow the head assembly to

move to the uppermost position.

3. Using a non-toxic & non-flammable solvent, clean the rust inhibitor from the base (3),

guide column (16), gear column, gear casing(23), and all other required parts.

4. Attach bracket A (4) to base using the two supplied hex key screws (5).

5. Attach wood base (6) to base using two screws (7). NOTE: If you are not mortising

through holes and require extra capacity, the wood base can be removed.

6. Attach fence (9) to bracket B (11) using the four screws (40, not shown).

7. Attach clamp (8) to bracket B using one knob (12) and washer (10).

8. Attach bracket B to bracket A using the Handle (12A) and washer (10).

9. For best performance, your Mortising Machine should be permanently mounted to your

workbench. Two holes near the rear of the base are provided for this purpose (see figure 1,

below). If you do not wish permanent mounting, you must clamp the machine down prior to

use.

Attaching Chisels and Bits (see figure 2, below):

1. Remove left and right covers (39).

2. Loosen the chuck (35) with the chuck key(47).

3. Loosen the chisel bushing screw (37).

ASSEMBLY INSTRUCTIONS

OPERATING PROCEDURES

Page 5 SKU 35570

4. Slide the bit into the chisel.

5. Insert the chisel into the bushing (38) and the bit into the chuck. Make sure the chisel's

slot is facing either the right or left to provide for proper chip ejection.

6. Make sure there is at least 3/32"-7/32"o f bit protruding from the end of the chisel, then

tighten the chuck. Make sure to tighten at all three spots.

7. Tighten the busing screw, and replace the left and right covers.

Mortising:

1. Set the fence (9) so that the chisel will mortise your stock in the desired position.

2. Set the hold down clamp (8) so that it securely holds your stock.

3. Set the depth stop (18) at the position required according to the desired depth of the mortise.

4. Turn machine on. It should reach full speed in a few seconds.

5. Slowly lower handle until mortise is complete.

6. Do not mortise holes deeper than 1" at a time. If you wish to mortise to a depth greater

than 1", do so in a couple of passes. This will allow the chips to be properly ejected.

Slots and mortises longer or wider than 1/2" can be accomplished simply by moving the

wood after the initial cut is accomplished. When doing so, make sure the slot in the chisel is

facing the direction you are moving the wood for proper chip ejection. Other than that, the

procedure is identical to regular mortising. (See figure 3 below.)

Slots:

SKU 35570 Page 6

Bit and Chisel Sharpening:

If the bit is dull, it can break the chisel, resulting in operator injury. It is sharpenable,

however, if there is any sign of wear along the twist (such as irregular grooves or

hollows) the bit must be replaced. Chisels cannot be sharpened if the walls become

noticeably thin Typically, you will replace a bit three times as often as a chisel.

Replacement bits and chisels are available from Harbor Freight Tools.

1. To sharpen the bit, use a three cornered file and sharpen the inner edge of the spur

and the cutting edge of the twist.

2. To sharpen the chisel, first fix it in a vise. Use a tapered stone or rotary, file in a drill.

Set the RPM's very low or the temper of the chisel will be affected. Use a file to remove

any burrs on the outside face of the chisel.

Lubrication:

1. Before every use, lubricate the both columns with a light machine oil. Clean them after

every use to prevent accumulation of foreign matter.

2. After every 30 days of use, grease the gears inside the head. They are accessible

through the panel on the underside of the head.

MAINTENANCE

Page 7 SKU 35570

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PARTS LIST

Description

1Bolt

2 Lock Washer

3 Base

4 Bracket A

5 Hex Key Screw

6 Wood Base

7 Screw

8 Hold Down Clamp

9 Fence

10 Washer

11 Bracket B

12

12A

Knob

Handle

13 Spring

15 Gear Column

16 Guide Column

17 Knob

18 Depth Set Guide

19 Set Screw

20 Gear Shaft

21 Gear

22 Gear Access Plate

23 Gear Casing

24 Handle

25 Guide Sleeve

Part No. 26 Stop Plate

27 Washer

28 Bolt

29 Motor

30 Power Cord

31 Switch

33 Nut

34 Inner Spring

35 Chuck

36 Screw

37 Chisel Bushing Screw

38 Chisel Bushing

39 Guard Cover

40 Screw M5X12

42

43

44

45

Drill Chuck

1/4’’ Chisel & Bit

3/8’’ Chisel & Bit

1/2’’ Chisel & Bit

46 Drill Shaft

47

48

49

Chuck Key

Wrench 6mm

Wrench 5mm

29-01

29-02

29-03

29-04

Capacitor

Motor Fan

Switch Box

Rear Motor Housing Bearing Cover

Page 9 SKU 35570

PARTS DIAGRAM

12A

40

42

43

44

45

46

48

47

49

29-01

29-02

29-03

29-04

SKU 35570 Page 10

Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,

and warrants to the original purchaser that this product is free from defects in materials and workmanship for

the period of ninety days from the date of purchase. This warranty does not apply to damage due directly or

indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, or to lack of

maintenance. We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent,

special or consequential damages arising from the use of our product. Some states do not allow the exclusion or

limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you. THIS

WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING

THE WARRANTIES OF MERCHANTABILITY AND FITNESS.

To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid.

Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection

verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase

price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our

expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of

our warranty, then you must bear the cost of returning the product.

This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353

LIMITED 90 DAY WARRANTY