Power Fist 8507667 Owner's manual

Brand: Power Fist

Model: 8507667

Type: Owner's manual

Please read and understand all instructions before use. Retain this manual for future reference.

V 3.05 8507667

User Manual

Mini Milling Machine

2 For technical questions call 1-800-665-8685

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Mini Milling Machine

SPECIFICATIONS

CETL CETL 3072101

Speed 100 to 1,100 RPM (low range), 100 to 2,500 RPM (high range)

T-slots 1/2 in.

Spindle Taper MT3

Table Size 15-3/8 x 3-5/8 in.

Max. Distance Spindle To Table 11 in.

Table Travel (cross) 4 in.

Table Travel (longitudinal) 8-5/8 in.

Head Tilt 45° L , 45° R

Head Travel 7 in.

Power Rating 350 watts

Dimensions 20 x 19-1/2 x 30 in.

Contents 13mm Drill Chuck, Wrench Set, Oil Can

Horsepower 1/2 Horsepower

Noise Level 70 to 75 dB(A)

Applications This machine is designed for drilling, deep milling and face milling of small

work pieces with a size limit of 11.8 x 7.9 x 7.9 in. (300 x 200 x 200 mm)

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IMPORTANT SAFETY PRECAUTIONS

WARNING! Read and understand all instructions before using this tool. The operator must follow basic

precautions to reduce the risk of personal injury and/or damage to the equipment. Before allowing someone

else to use this tool, make sure they are aware of all safety information.

WARNING! The warnings, cautions and instructions discussed in this instruction manual cannot cover all

possible conditions and situations that may occur. Common sense and caution are factors that cannot be built

into this product, but must be supplied by the operator.

NOTE: Keep this manual for safety warnings, precautions, operating, inspection, and maintenance instructions.

WORK AREA

1. Operate in a safe work environment. Keep your work area clean and well lit.

2. Do not expose the tool to rain, and do not use the tool in damp or wet locations.

3. Do not use in the presence of ﬂammable gases or liquids.

4. Keep anyone not wearing the appropriate safety equipment away from the work area.

5. Minimize distractions in the work environment. Distractions can cause you to lose control of the tool.

6. The operating and storage temperature range for this unit is –10°C to +40°C (-4°F to +104°F).

7. Store tools properly in a safe and dry location to prevent rust or damage.

8. Always lock up tools and keep them out of the reach of children.

PERSONAL SAFETY

CAUTION! Wear protective equipment approved by the Canadian Standards Association (CSA) or American

National Standards Institute (ANSI) when using the tool.

1. Dress properly, wear protective equipment. Use breathing, ear, eye, face, foot, hand, and head protection.

Always wear ANSI approved impact safety goggles, which must provide both frontal and side protection.

Wear a full face shield if your work creates metal ﬁlings or wood chips. Protect your head from falling

objects by wearing a hard hat. Wear an ANSI approved dust mask or respirator when working around

metal, wood and chemical dusts and mists. Wear ANSI approved earplugs. Protective, electrically non-

conductive clothes and non-skid footwear are recommended when working. Wear steel-toed boots to

prevent injury from falling objects.

2. Control the tool, the work piece, personal movement and the work environment to avoid personal injury or

damage to the tool. Stay alert, watch what you are doing and use your common sense.

3. Keep articles of clothing, jewellery, hair, etc., away from moving parts to avoid entanglement with tool.

4. Do not operate any machine / tool when tired or under the inﬂuence of drugs, alcohol or medications.

5. Do not overreach when operating a tool. Proper footing and balance enables better control of a tool in

unexpected situations.

6. Use clamps or other practical ways to support or secure the work piece to a stable platform. Holding the

work piece by hand or against your body is not stable and may lead to loss of control and injury.

Speciﬁc Safety Precautions

1. Keep hands away from cutting area and the blade. If both hands are holding the tool, the blade cannot

cut them.

2. Always wear approved eye protection during use.

3. Do not wear loose clothing or jewelry that could be caught in the moving parts.

4. Do not remove or modify any of the safety features of the tool.

5. Never stand on the tool. Serious injury could occur if the tool is tipped or if the blade is accidentally

touched. To avoid having to stand or lean over the tool, do not store materials above or near it.

6. Always handle the cutter with care when mounting or removing it.

7. Do not start the tool when the blade is touching the work piece.

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8. Do not touch the cutter or the surface that has been cut with this tool immediately after use. The surface

will be hot and may cause an injury.

9. The unit is heavy. Have the help of an assistant and a lifting tool when moving the unit.

10. In the event of a power failure, turn off the machine as soon as the power is interrupted. The possibility of

accidental injury could occur if the power returns and the unit is not switched off.

11. Do not force the tool. Do not use excessive pressure to operate the tool. A larger, more industrial tool may

be required to perform the required task.

ELECTRICAL SAFETY

1. Disconnect power supply. Disconnect the tool from the power supply when not in use, before cleaning,

servicing or changing any parts.

2. Protect yourself against electric shocks when working on electrical equipment. Avoid body contact with

grounded surfaces such as pipes, radiators, cooking stoves and refrigerators. There is an increased

chance of electrical shock if your body is grounded.

3. Double insulated tools are equipped with a polarized plug (one blade is wider than the other.) This plug will

ﬁt in a polarized outlet only one way. If the plug does not ﬁt fully in the outlet, reverse the plug. If it still

does not ﬁt, contact a qualiﬁed electrician to install a polarized outlet. Do not change the plug in any way.

Double insulation eliminates the need for a three wire grounded power cord and grounded power

supply system.

4. Grounded tools must be plugged into an outlet that is properly installed and grounded in accordance with

all codes and ordinances. Never remove the grounding prong or modify the plug in any way. Do not use

any adapter plugs. Check with a qualiﬁed electrician if you are in doubt as to whether the outlet is properly

grounded. If the tool should electronically malfunction or break down, grounding provides a low resistance

path to carry electricity away from the user.

5. Do not abuse the cord. Never use the cord to pull the plug from an outlet. Keep the cord away from heat,

oil, sharp edges or moving parts. Do not operate this tool if the power cord is frayed or damaged. Replace

damaged cords immediately. Damaged cords increase the risk of electric shock. Do not modify the plug in

any way.

6. When operating a power tool outside, use an outdoor extension cord marked “W-A” or “W”. These cords

are rated for outdoor use and reduce the risk of electric shock. Use in conjunction with a Ground Fault

Circuit Interrupter (GFCI). If operating a power tool in a damp location is unavoidable, the use of a GFCI

reduces the risk of electric shock. It is recommended that the GFCI should have a rated residual current of

30 mA or less.

7. Avoid using an unnecessarily long extension cord. Choose a cord that is appropriate for the situation, as a

cord that is too long and running across the ﬂoor can be more dangerous than helpful. Using a cord that is

too long or too thin could damage the tool. Unroll the cord completely to prevent it from overheating.

8. Place the electrical cord in a position that prevents it from coming into contact with the tool and from

getting caught by the work piece. The cord should always stay behind the tool.

9. Keep all connections dry and off the ground to reduce the risk of electric shock. Do not touch the plug with

wet hands.

WARNING! People with pacemakers should consult their physician(s) before using this product.

Operations of electrical equipment in close proximity to a heart pacemaker could cause interference or failure

of the pacemaker.

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VIBRATION PRECAUTIONS

This tool / work piece vibrates during use. Repeated or long-term exposure to vibration may cause temporary or

permanent physical injury, particularly to the hands, arms and shoulders.

1. Anyone using vibrating tools regularly or for an extended period should ﬁrst be examined by a doctor and

then have regular medical check-ups to ensure medical problems are not being caused by or worsened

from vibrations. Pregnant women or people who have impaired blood circulation to the hands, past hand

injuries, nervous system disorders, diabetes or Raynaud’s Disease should not use tool’s that vibrate. If you

feel any medical symptoms related to vibrations (such as tingling, numbness, and white or blue ﬁngers),

seek medical attention as soon as possible.

2. Do not smoke during use. Nicotine reduces the blood ﬂow to the hands and ﬁngers, increasing the risk of

vibration-related injury.

3. Use tools with the lowest amount of vibration when there is a choice between different processes.

4. Do not use for extended periods. Take frequent breaks when using vibrating tools.

5. Let the tool do the work. Grip the tool as lightly as possible (while still keeping safe control of it).

6. To reduce vibrations, maintain the tool as explained in this manual. If abnormal vibrations occur, stop

using this tool immediately.

TOOL USE AND CARE

WARNING! Do not use the tool if the power switch does not function properly. Any tool that cannot be

controlled with the ON / OFF switch is dangerous and must be repaired.

1. Use the correct tool for the job. Maximise performance and safety by using the tool for its intended task.

2. Do not modify this tool or use for a purpose for which it was not designed.

3. This tool was designed for a speciﬁc function.

Do Not:

a. Modify or alter the tool, all parts and accessories are designed with built-in safety features that may

be compromised if altered.

b. Use the tool in a way for which it was not designed.

4. Avoid unintentional starts. Be sure the throttle is in the OFF position when not in use and before connecting

it to any power source.

5. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are removed from the tool

before connecting it. A wrench or key that is left attached to a rotating part of the tool increases the risk of

personal injury.

UNPACKING

1. Carefully remove the tool from the package and retain the packing material until you have carefully

inspected and satisfactorily install or operated the tool.

2. Inspect the parts carefully to make sure the tool was not damaged while shipping.

WARNING! If any part is missing, do not operate the tool until the missing parts are replaced. Failure to do so

could result in serious personal injury.

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PARTS IDENTIFICATION

A Motor

B Fine Feeding Wheel

C Headstock & Spindle

D Longitudinal Feed Hand Wheel

E Working Table

F Saddle

G Cross Feed Hand Wheel

H Base

I Connecting Strut

J Limit Block

K Controller

L Balance Mechanism

M Fuselage

N Electrical Box

Accessories

No. Description Qty

1 Large Wrench S:36 1

2 Drill Chuck & Tapered Shank 1

3 Oil Can 1

4 Fixing Pin 1

5 L Shaped Hex Wrench S: 3, 4, 5, and 6 4

6 Socket Head Wrench D:45 / 52 1

7 Double End Wrench 8 / 10, 14 / 17 and 17 / 19 3

8 Drill Chuck Holder 1

9 Handle 2

10 T-Nut 2

11 Fuse 5A (110V) or 3A (230V) 1

12 Draw Bar 1

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INSTALLATION

1. The tool should be secured to a work table with four hexagon bolts.

Select an appropriate location to securely fasten to tool that is solid,

stable and level.

NOTE: Avoid placing the unit in direct sunlight or in an environment

that is damp or dusty.

2. Drill four pilot holes in the worktable that match the mounting holes

of the unit.

NOTE: When choosing the location to secure the tool to, consider the

Y-axis and X-axis hand wheels and make sure that there is enough room to freely manipulate the hand wheels.

INSTALLATION AND REMOVAL OF THE TAPERED SHANK

Installation

CAUTION! Remove the unit from its power source before changing

any accessories.

A Protective Cover

B Draw Bar

C Wrench

D Fixing Pin

E Chuck Guard Bracket

F Chuck Guard

G Taper Shank

H Chuck

I Cutter

1. Remove the protective cover.

2. Clean off the spindle and tapered shank.

3. Insert the tapered shank into the spindle.

CAUTION! Use heavy duty gloves or an oiled cloth when handling the cutter to protect the cutter as well

as the user.

4. Insert the ﬁxing pin into the spindle.

5. Use the #14 open end wrench to tighten (clockwise) the spindle nut, fastening the tapered shank.

6. Remove the ﬁxing pin.

7. Reinstall the protective cover.

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Removal

CAUTION! Remove the unit from its power source before changing any accessories.

1. Remove the protective cover.

2. Insert the ﬁxing pin into the spindle.

3. Use the #14 open end wrench to loosen (counter clockwise) the spindle nut, loosening the tapered shank.

4. Knock the tapered shank gently with a plastic hammer to loosen it in the spindle.

5. Remove the tapered shank.

CAUTION! Use heavy duty gloves or an oiled cloth when handling the cutter to protect the cutter as well

as the user.

6. When the accessory has been removed, reinstall the protective cover.

ELECTRICAL CIRCUIT DIAGRAM

110 to 115V

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220 to 240V

OPERATION

NOTE: Practice on a scrap piece of material before attempting to work on the actual work piece. Using the tool

successfully requires a considerable degree of acquired skill and experience.

CAUTION! During operation, if any unusual situations occur, stop the machine immediately and have the unit

serviced by a qualiﬁed service technician.

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TRAVEL ADJUSTMENT

Using the limit block can control the amount of motion of the spindle box.

1. Loosen the handle (a) beside the limit block (b).

2. Move the limit block (b) into the desired position.

3. When the limit block (b) is in the desired position, tight the handle (a).

NOTE: The travel position can be gauged by the ruler on the connecting strut

of the fuselage.

ADJUSTING THE TIP ANGLE OF THE FUSELAGE

CAUTION! Remove the unit from its power source before changing

any accessories.

1. Hold the fuselage by hand to keep it from falling.

2. Loosen the lock nut (a) with a large wrench (b).

3. Adjust the fuselage tip angle as you need.

NOTE: The maximum movement is 45° both left and right.

4. Secure the fuselage in place by tightening the lock nut (a).

MITER WEDGE ADJUSTMENT

Constant vibration and wear will cause the components to become loose.

Tighten the adjusting screws to create more pressure between the two machine

parts (ie. The spindle box and the fuselage).Check the unit for loose parts to

maintain its mechanical precision.

The following components will need to be checked for looseness whenever

the unit is used:

1 Base and saddle seat slide face

2 Saddle seat and the working table slide face

3 Fuselage seat and the connecting strut slide face

4 Fuselage and spindle box slide face

NOTE: When not in use, keep the spindle box at the highest position.

To Adjust:

1. Loosen the lock nuts.

2. Adjust the pressure of the miter wedge by adjusting the lock nut.

If necessary, adjust the adjusting screws as well.

3. Tighten or loosen the adjusting screws and keep in mind that the pressure for each

adjusting screw must be the same.

4. Adjust the middle portion ﬁrst and then go toward the interior from the two sides

consistently to ensure a uniform pressure is exerted.

5. Tighten the lock nut when the proper adjustment has been made.

NOTE: Use the #3 interior hexagonal wrench to hold the adjusting screw in place when

fastening the lock nut to avoid rotating the adjusting screw out of position.

Fig. 3

Fig. 4

Fig. 5

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BEFORE SWITCHING ON THE UNIT

1. Remove all adjusting keys and wrenches.

2. Conﬁrm that the power voltage is suitable for the tool.

3. Remove any obstacles in the work area that could obstruct the usage of the tool.

4. Before the ﬁrst use, remove any oil that was used during the initial setup.

5. Check that the angle of the fuselage is in the desired position and make sure that the ﬁxtures have

been secured.

6. Check the chuck, chuck holder and ﬁxing pin on the spindle to make sure that they are unloaded.

7. Check the High/Low speed on the spindle to see if it is set to the correct speed setting.

8. Turn on the machine and check the direction of the spindle rotation (clockwise).

NOTE: If you are uncertain which direction the spindle is rotating, turn the tool off and as the spindle slows

down, the direction of rotation can be observed.

9. Check the operating condition of the longitudinal axis (working table), the cross axis (saddle seat) and the

vertical axis (fuselage) to ensure that the controls are operating correctly.

10. During operation, if any suspect situations occur, stop the machine immediately and have the suspect

components serviced by a qualiﬁed service technician.

INITIAL START

A Emergency Stop Switch

B Yellow Lamp

C Electric Control Box

D Variable Speed Control Knob

E Green Lamp

F Fuse Box

CAUTION! Make sure that the emergency stop switch (A) (on the left

beside the electrical box) is in the OFF position before connecting the

unit to a power source.

1. Set the High / Low switch to Low.

2. Connect the unit to its power source.

3. Release the emergency stop switch (A) by pushing down on

the red knob slightly and pushing it up, as indicated by the arrow on the top of the red knob.

4. Switch on the machine by gently turning the variable speed control knob (D), clockwise. A click sound will

be heard as the motor power is turned on, but the spindle will not rotate until the knob has been turned

clockwise a little further. The speed will increase progressively the further the knob is turned.

5. Run the unit for a total of ﬁve minutes during which time gradually increase the spindle speed to its

maximum. Run the unit for at least two minutes at the maximum speed before stopping the unit and

disconnecting it from the power source.

AFTER THE INITIAL START

1. Check all of the components to make sure that they are still secure and working freely and correctly.

2. Check all mounting ﬁxtures to make sure that they are secure.

3. Repeat the steps in the Initial Start section at the High setting.

Fig. 6

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PRE-OPERATION

Before you turn the power on:

1. Check that the tool chuck and cutter are tightly secured.

2. Check each machine part to conﬁrm that no parts are loose.

3. Check the speed adjustment has been set to the correct speed.

4. Check that the work piece is securely ﬁxed to the machine with a vice or clamps.

5. Remove any obstacles from around the machine and the work area.

DURING OPERATION

WARNING! Do not wear gloves, loose ﬁtting clothing, or jewelry when using the machine.

1. Select and install the correct cutter securely.

2. The machine will shake under the following conditions:

a. The depth of the cut is too deep.

b. The feeding speed is too fast.

c. The rotation speed is too fast.

d. The machine and the work piece are not ﬁrmly secured.

e. The vice or clamps and the work piece is not ﬁrmly secured.

STARTING UNDER NORMAL CONDITIONS

1. Take all necessary precautions and ensure that the work piece is ﬁxed securely.

2. Set the speed range control lever to either High or Low as required.

3. Proceed to start the unit as described in the Initial Start section.

NOTE: The power supply system of this unit has an auto over-load protective function. If the feeding is too fast

or drilling is too deep, the system will stop working and a yellow light (B) will light up. Simply turn off the

variable speed control knob (D) and then turn it on again. The system will work again and the yellow light will shut

off automatically.

Drilling Or Deep Milling

1. According to the Installation And Removal Of The Tapered Shank section, install the appropriate accessory

and tighten securely.

2. Select the appropriate speed level.

CAUTION! Do Not change the High / Low speed setting while the spindle is running.

3. Use a vice or clamps to secure the work piece on the working table.

4. Adjust the working table (longitudinal axis Y) and the saddle seat (cross axis X) to the desired position.

5. Loosen the limit block handle and adjust the blocks to the desired position.

NOTE: Do not allow the tool to contact the work piece yet.

6. Remove the adjusting tools and all obstacles that may be around the machine.

7. Turn on the main power. Adjust the spindle speed to the appropriate speed for drilling or deep milling.

8. Refer to the ruler on the fuselage to observe the drilling or milling depth.

9. Once you have ﬁnished working, turn off the power and raise the spindle to the upper position.

10. Release the work piece, taking care not to allow the work piece to fall.

11. Blow out dust and debris from the machine with compressed air. If compressed air is not available, clean

the machine with a soft brush or clean cloth.

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FACE MILLING

1. According to the Installation And Removal Of The Tapered Shank section, install the appropriate accessory

and tighten securely.

2. Select the appropriate speed level.

CAUTION! Do Not change the High / Low speed setting while the spindle is running.

3. Use a vice or clamps to secure the work piece on the working table.

4. Adjust the working table (longitudinal axis Y) and the saddle seat (cross axis X) to the desired position.

5. Loosen the limit block handle and adjust the blocks to the desired position.

NOTE: Do not allow the tool to contact the work piece yet.

6. Remove the adjusting tools and all obstacles that may be around the machine.

7. Turn the hand wheel of the working table (Y axis) and the saddle seat (X axis) to do face milling.

8. Once you have completed the task, turn the power off and raise the spindle to the upper position.

9. Release the work piece, taking care not to allow the work piece to fall.

10. Blow out dust and debris from the machine with compressed air. If compressed air is not available, clean

the machine with a soft brush or clean cloth.

DRILLING OR MILLING SPEED

Before any operation, select the correct spindle speed.

The operating speed range for working is 0 to 2,500 RPM. For the most part, the correct speed may be determined

by the size of the working face and the material. Generally, you can use a higher speed for softer material or

smaller holes. Use a lower speed for harder material or bigger holes. However, do not drill too fast

(greater than 2,300 RPM) if your work piece is wood; you may burn it. For metal work pieces, the speed can be

from 0 to 2,500 RPM.

MAINTENANCE

NOTE: Stop the unit and remove it from its power source before performing any inspection or maintenance.

1. Inspect each operating part to ensure that it is properly lubricated.

2. Examine each component to conﬁrm that no parts have become loosened.

3. Clean the tool after each use and lubricate the moving parts to prevent rust.

4. Check the spindle to make sure that it spins properly.

5. Examine the overall circuit. Check the contact points, conductors, plugs and switches to ensure that they

are working properly.

MAINTENANCE OF THE CUTTER

NOTE: Stop the unit and remove it from its power source before performing any inspection or maintenance.

1. Wear protective gloves or use a rag when handling the cutter to prevent personal injury.

2. The cutter should be stored in a protective case when not in use to maintain the sharpness of the blade.

3. Pay attention to the rotation of the cutter. Improper rotation can lead to dulling the blade or even damage

to the blade.

NOTE: If you are uncertain which direction the spindle is rotating, turn the tool off and as the spindle slows

down, the direction of rotation can be observed.

4. Sharpen the cutter as soon as it gets dull. A dull cutter is not only difﬁcult to do milling work but also

increases the chances of damaging the blade.

5. Keep the tapered shank clean.

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6. Use the wrenches provided with the unit. Do not make adjustments to the machine with unsuitable tools.

Do not use a hammer to strike the wrench in order to tighten components. Damage could result leading to

product failure.

LUBRICATION

Lubricate the following components of the machine:

Use Lubricating Oil

1 Base (H) and saddle seat slide face (F)

2 Saddle seat (F) and working table slide face (E)

3 Fuselage seat (M) and connecting strut slide

face (I)

4 Fuselage (M) and spindle box slide face (C)

Use Lubricating Grease

1 X-axis feeding screw (saddle seat)

2 Y axis feeding screw (working table)

3 Z axis feeding gear rack (fuselage)

DISPOSING OF THE TOOL

If your tool has become damaged beyond repair, do not throw it out. Bring it to the appropriate recycling facility.

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PARTS BREAKDOWN

PARTS LIST

No. Description Qty.

1 Base 1

2 X Axis Feeding Screw 1

2-1 Key 4x16 2

4 Dial 2

5 Hand Wheel 2

7 Hand Sleeve 2

8 Screw M8x55 2

9 Cap Screw M6x8 8

No. Description Qty.

10 Holding Plate (1) 1

11 Dust Guard Cover 1

12 Holding Plate (2) 2

13 Ball Bearing 8200 2

14 Washer 2

15 Nut M8 4

16 Y Axis Ruler 1

17 Cap Screw M6x16 4

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No. Description Qty.

18 Y Axis Bearing Seat 1

19 Working Table 1

20 Y Axis Feeding Screw 1

21 End Cover 1

22 Screw M6x10 2

23 Y Axis Screw Nut 1

24 Holding Plate (3) 1

25 Dust Guard Cover 1

No. Description Qty.

26 Screw Seat 1

27 Cap Screw M6x16 2

28 Set Screw M6x22 6

29 Nut M6 13

30 Limit Block Handle 3

31 Screw M6x10 2

32 Guide Finger 1

34 X Axis Wedge 1

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No. Description Qty.

35 Saddle 1

36 Y Axis Wedge 1

37 X Axis Screw Nut 1

38 Cap Screw M6x25 2

39 Fuselage Seat 1

39-1 Shaft 1

39-2 Key 8x12 1

40 Spring Washer 10 3

40-1 Washer 10 3

41 Cap Screw M10x30 3

42 Guide Finger 2

43 Set Screw M6x22 7

44 Ruler 1

45 Wedge 1

46 Gear Rack 1

47 Cap Screw M6x12 4

48 Name Plate 1

49 Spindle Box 1

50 Pinion 1

51 Key 4x25 1

52 Bevel Gear 1

53 Retaining Ring 12 1

54 Ball Φ5.0 1

55 Spring 0.8x0.8x10 1

56 Screw M6x8 1

57 Handle Stock 1

58 Operating Lever 3

59 Lever Cap 3

60 Cap Screw M8x25 4

61 Guide Finger 1

62 Cap Screw M6x25 1

63 Spindle Box Seat 1

64 Wedge 1

65 Limit Block 1

66 Wedge 1

67 Ruler 1

68 Fuselage 1

69 Electric Box 1

70 Lock Nut M24 1

71 Big Washer 1

No. Description Qty.

72 Connecting Strut 1

78 Key 5x5x40 1

79 Spindle 1

80 Transmission Gear 1

81 Support Block 1

82 Screw M5x20 2

83 Pin 4x15 1

84 Worm 1

85 Sleeve 1

86 Pin 3x12 1

87 Pin 3x12 2

88 Adjustable Union 1

89 Bracket 1

90 Screw M5x25 1

91 Dial 1

92 Steel Spring 11.0 3

93 Small Hand Wheel 1

94 Screw M5x16 1

95 Small Shaft 1

96 Cover 1

97 Screw M4x6 2

98 Dust Cover Support 1

99 Screw M5x16 2

100 Dust Guard 1

101 Bolt Clamp M6x12 1

102 Upper End Washer 1

103 Upper End Screw M6x16 1

104 Set Screw M6x6 1

107 Handle Seat 1

108 Double Head Bolt M8x70 1

109 Knob 1

110 Warning Label 1

111 Electric Box Cover 1

112 Electric Box 1

113 Shaft (1) 1

114 Double Round Head Key 4x4x45 1

116 Spacing Ring 2

118 Spacing Ring 1

119 Spindle Nut 1

120 Double Round Head Key 5x5x30 1

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No. Description Qty.

121 Cap Screw M5x8 6

122 Bearing Cover 2

123 Ball Bearing 80206 2

124 Name Plate 1

125 Label 1

126 Protective Cover 1

127 Motor 1

127A Pin 1

127B Washer 1

128 Motor Gear 21/29T 1

129 Internal Ring 1

130 Motor Seat 1

131 Flat Screw M6x12 4

132 Round Screw M5x8 4

133 Yellow Lamp 1

134 Speed Control Knob 1

135 Green Lamp 1

136 Fuse Box 1

137 Emergency Stop Switch 1

138 Gear 1

139 Ball Bearing 80101 2

140 Transmission Gear 20/12T 1

141 Fork 1

142 Linking Board 1

143 Set Screw M5x8 1

144 Self-Tapping Screw ST2.9x8 2

145 H/L Label 1

146 Motor Cover 1

No. Description Qty.

149 Warning Label 1

150 PC Board 1

151 Locking Sleeve 1

152 Rotor Shaft 1

153 key 4x6 1

154 Spring Support 1

155 Torsion Spring 1

156 Cover 1

157 Nut 1

158 Prop 1

160 Screw 1

161 Washer 2

162 Internal Ring 12 1

163 Cover 1

164 Top Cover 1

200 Dial Support 1

201 Screw M3x8 4

202 Rivet 10

203 Screw M5x6 1

204 Screw M5x8 3

205 Screw M5x8 2

206 Washer 1

207 Screw M6x8 1

208 Fixed Sleeve 1

209 Washer 1

210 M12 Shaft 1

211 B16 Handle 1

V4.0 8507667

Please read and understand all instructions before use. Retain this manual for future reference.

INTRODUCTION

You can use the mini milling machine as a drill press or as

a milling machine. A drill chuck is included for the former

function and optional collets and fluted end mills (both

sold separately) are needed for the latter.

Fluted end mills are not designed for use with the drill

chuck. The chuck is not large enough to hold all the mill

end sizes. Nor is the chuck designed to withstand the side

pressure of the milling process. Attempting to use the

fluted end mills with the chuck may result in damage to the

machine and poor mill work.

Princess Auto has Imperial and Metric Collets and Fluted End

Mill sets available. The sale of individual collets are planned.

• Powerfist 8 pc SAE Fluted End Mills (8512188)

• 8 pc SAE Fluted End Mill Collet Set (8640633)

• Powerfist 7 pc Metric Fluted End Mills (8512170)

• 7 pc Metric Fluted End Mill Collet Set (8640625)

INSTALLING A COLLET AND END MILL

A Protective Cover

B Draw Bar

C Wrench

D Fixing Pin

E Dust Cover Support

F Dust cover

G Arbor

H Collet

I Fluted End Mill

INSTALLATION

WARNING! Remove the unit from its power source before

changing any accessories.

CAUTION! Use heavy duty gloves or an oiled cloth when

handling the fluted end mill (I) to avoid damage to the

hands or mill end’s edges.

1. Remove the arbor (G) and drill chuck (see Mini

Milling Machine manual).

2. Remove the protective cover (A).

3. Clean the collet (H).

4. Insert the fixing pin (D) through the spindle box

(#49) into the spindle. Rotate the spindle by hand

until the spindle locks.

5. Use a #14 open end wrench (C) to loosen the draw

bar, but not enough to remove it.

6. Select the fluted end mill (I) and collet (H) that are

matched in diameter.

7. Insert the fluted end mill into the

collet until it is seated. Do not

allow the flutes to enter the collet

as side pressure during cutting

can damage both the end mill

and collet.

8. Screw the collet directly into the

draw bar (B) until hand-tight.

9. Tighten the nut on the draw bar with a wrench.

10. Remove the fixing pin.

11. Reinstall the protective cover.

REMOVAL

1. Follow Steps 1 and 3 for Installation.

2. Use a #14 open end wrench (C) to loosen the draw

bar, but not enough to remove it

3. Unscrew the collet and mill end from the draw bar.

4. Remove the fluted end mill from the collet and wipe

clean before storing.

5. Check the collet’s threads to ensure no debris is

lodged there. Clean and store it in the plastic case.

6. Reinstall the arbor (G) and drill chuck (see Mini

Milling Machine manual).

7. Remove the fixing pin and reinstall the protective cover.

OPERATION

The fluted mill ends are not designed for plunge cutting.

The mill end creates a horizontal flat bottom channel when

moved across the material’s surface.

Drill a hole of the correct diameter into the material. Then

replace the drill chuck with a matching collet and fluted mill

end. Align the mill end to fit into the drilled hole. Follow the

operation instructions in the mini mill manual.

Mini Milling Machine - Addendum

Fig. 1

Fig. 2

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Power Fist 8507667 Owner's manual

Brand: Power Fist

Model: 8507667

Type: Owner's manual

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