Power Fist 3410878 Manual de usuario
Assembly and Operating Instructions
4-1/2"
Angle Grinder
3410878
General Safety Rules
Warning! Read and understand all instructions. Failure to
follow all instructions listed below, may result in electric shock, fire
and/or serious personal injury.
SAVE THESE INSTRUCTIONS.
Work Area
Keep your work area clean and well lit. Cluttered benches and dark
areas invite accidents.
Do not operate power tools in explosive atmospheres, such as in the
presence of flammable liquids, gasses, or dust. Power tools create
sparks which may ignite the dust or fumes.
Keep bystanders, children, and visitors away while operating a
power tool. Distractions can cause you to lose control.
Electrical Safety
Grounded tools must be plugged into an outlet 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 tools
should electrically malfunction or break down, grounding provides
a low resistance path to carry electricity away from the user.
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. It 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 the three wire grounded power
cord and grounded power supply system.
Avoid body contact with grounded surfaces such as pipes, radiators,
ranges, and refrigerators. There is an increased risk of electric shock
if your body is grounded.
Do not expose power tools to rain or wet conditions. Water entering
a power tool will increase the risk of electric shock.
Do not abuse the cord. Never use the cord to carry the tools or pull
the plug from an outlet. Keep cord away from heat, oil, sharp edges
or moving parts. Replace damaged cords immediately. Damaged
cords increase the risk of electric shock.
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.
Personal Safety
Stay alert, watch what you are doing, and use common sense when
operating a power tool. Do not use tool while tired or under the
influence of drugs, alcohol, or medication. A moment of inattention
while operating power tools may result in serious personal injury.
Dress properly. Do not wear loose clothing or jewelry. Contain long
hair. Keep your hair, clothing, and gloves away from moving parts.
Loose clothes, jewelry, or long hair can be caught in moving parts.
Avoid accidental starting. Be sure switch is off before plugging in.
Carrying tools with your finger on the switch or plugging in tools
that have the switch on invites accidents. Remove adjusting keys or
wrenches before turning the tool on. A wrench or a key that is left
attached to a rotating part of the tool may result in personal injury.
Do not overreach. Keep proper footing and balance at all times.
Proper footing and balance enables better control of the tool in
unexpected situations.
Use safety equipment. Always wear eye protection. Dust mask,
non-skid safety shoes, hard hat, or hearing protection must be used
for appropriate conditions.
Tool Use and Care
Use clamps or other practical ways to secure and support the
workpiece to a stable platform. Holding the work by hand or
against your body is unstable and may lead to loss of control.
Do not force tool. Use the correct tool for your application. The
correct tool will do the job better and safer at the rate for which it is
designed.
Do not use tool if switch does not turn it on or off. Any tool that
cannot be controlled with the switch is dangerous and must be
repaired.
Disconnect the plug from the power source before making and
adjustments, changing accessories, or storing the tool. Such
preventive safety measures reduce the risk of staring the tool
accidentally.
Store idle tools out of reach of children and other untrained persons.
Tools are dangerous in the hands of untrained users.
Maintain tools with care. Keep cutting tools sharp and clean.
Properly maintained tool, with sharp cutting edges are less likely to
bind and are easier to control.
Check for misalignment or binding of moving parts, breakage of
parts, and any other condition that may affect the tools operation. If
damaged, have the tool serviced before using. Many accidents are
caused by poorly maintained tools.
Use only accessories that are recommended by the manufacturer for
your model. Accessories that may be suitable for one tool, may
become hazardous when used on another tool.
Service
Tool service must be performed only by qualified repair personnel.
Service or maintenance performed by unqualified personnel could
result in a risk of injury.
When servicing a tool, use only identical replacement parts. Follow
instructions in the Maintenance section of this manual. Use of
unauthorized parts or failure to follow Maintenance Instructions
may create a risk of electric shock or injury.
Specific Safety Rules
Always use proper guard with grinding wheel. A guard protects
operator from broken wheel fragments.
Accessories must be rated for at least the speed recommended on
the tool warning label. Wheels and other accessories running over
rated speed can fly apart and cause injury.
Once installed, check new or replacement wheels. Any undetected
crack or flaw can be checked by holding the tool in a well protected
area and letting it run for one minute. If the wheel has an
undetected crack or flaw, it should burst in less than one minute.
Hold tool by insulated gripping surfaces when performing an
operation where the cutting tool may contact hidden wiring or its
own cord. Contact with a “live” wire will make exposed metal parts
of the tool “live” and shock the operator.
Technical Specifications
Type: 3410878
Rated Voltage: 120VAC, 60 Hz
Rated Current: 5A
No load speed: 11,000 RPM
Wheel: 4-1/2" (115 mm)
Arbor: 5/8" (16 mm) and 7/8" (22 mm)
Cord: 6.6 ft (2 m)
Functional Description
This angle grinder has been designed for grinding and cutting
applications. Please refer to figure 1 to familiarize yourself with the
major components of this tool before use.
Figure 1
1
2
3
4
5
1. On/off switch
2. Wheel guard
3. Spindle lock
4. Side handle
5. Grinding disc
6. Outer flange (hidden from
view beneath grinding disc.
See figure 3.)
Assembly
To install grinding wheel:
1. Depress and hold down spindle lock
2. Remove outer flange with spanner (figure 2)
3.If necessary, remove and re-insert inner flange to accommodate
wheel arbor, as one side of inner flange is 5/8" and the other is
7/8".
4. Install grinding or cutting wheel (figure 3)
Figure 2 Figure 3
Figure 4
Spanner
Outer
flange
Inner
flange
Operation
This grinder is designed for the following uses: Removal of casting
fin and finishing on various types of steel, bronze and aluminum
materials and castings. Beveling and finishing weld seams.
Grinding of welded sections cut by welding. Grinding of synthetic
resins, brick marble, etc. Cutting thin wall tubes and small size
metal materials.
For proper operations:
1. Be sure power is snug against wall receptacle or extension cord.
2. Firmly hold grinder with one hand and push on/off switch
forward to start.
3. Grinding should be done at about 30° for roughing and about 15°
for finishing.
4. Use side handle to help steady tool and assist movement.
5. Slide on/off switch toward the rear to stop grinder when finished.
6. Avoid overloading the machine for long periods of time.
Warning! If any of the following events occur during normal
operation, the tool should be shut off at once and thoroughly
inspected by a qualified person and repaired if necessary.
• The turning parts get stuck or speed drops abnormally low.
• The tool shakes abnormally, accompanied by unusual noise
• The motor housing gets hot and/or an odour is present
• Heavy sparks occur around the motor area.
Maintenance
• Warning: Do not allow brake fluids, gasoline, petroleum based
products or penetrating oils to come in contact with plastic parts.
They contain chemicals that can damage, weaken or destroy the
housing, thus compromising the integrity of the double insulation.
• Inspecting the grinding wheel. Ensure that the grinding wheel is
free of cracks and surface defects. Replace the grinding wheel
when it becomes worn.
• Inspecting the mounting screws. Regularly inspect all mounting
screws and ensure that they are properly tightened. Should any of
the screws be loose, tighten them immediately. Failure to do so
could result in serious injuries
• Maintenance of the motor. The motor unit winding is the very
heart of the power tool. Exercise due care to the brush holders.
• Replacing a carbon brush. Remove the carbon brush housing cap
with a flat blade screwdriver. Take old brush out and install new
brush. Make sure the brush slides freely within the brush housing.
Do not over tighten the carbon brush housing cap.
• Repairs should be done only by a qualified service technician
using identical parts to ensure the integrity of double insulation.
Item No. Part Name
1Stop plate
2Spring Washer
3Check Ring
4Nut
5Spring Washer
6Pinion Gear
7Bearing
8Check ring
9Fan guide
10 Rotor
11 Armature
12 Bearing
13 Rubber Bearing Sleeve
14 Screw
15 Screw
16 Screw
17 Gear Box
18 Handle
20 Axle bearing
21 Check ring
22 Spring ring
23 Bearing
25 Bearing cap
26 Bearing
27 Front cap
28 Screw
29 Wood key
Item No. Part Name
30 Spindle
31 Screw
32 Protecting cover
33 Flange
34 Wheel
35 Flange nut
36 Screw
37 Stator
38 On/off switch knob
39 Spring
40 Switch draw bar
41 Cabinet
42 Condenser
43 Brush holder
44 Brush
45 Brush cap
46 Switch cover
47 Screw
48 Cord clamp
49 Screw
50 Switch
51 Cord protector
52 Base cap
53 Washer
54 Screw
55 Cord plug
56 Wrench
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