DW718 - 2helpU

Transcription

DW718 - 2helpU

EUROPEAN SERVICE REPAIR TRAINING
DW718 – Mitre Saw
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INDEX - PREVIOUS - NEXT
DW718
EUROPEAN SERVICE REPAIR TRAINING
Contents
•Service Tooling Application and Use 5.3
•Illustrated Tips
5.4
2 Product Information
•Customer Requirements
•Marketing Information
•Features & Benefits
•Applications
•Technical Information/Specifications
2.1
2.2
2.3
2.4
2.5
•Engineering News
•Quality Changes
4 Repair Instructions
4.1
4.2
4.3
5 Video & Animation Instructions
•Disassembly
•Re-assembly
•Useful Information
•Strip Down / Repair / After Repair
•Safety Notes
6.1
6.2
6.3
7 Modifications & Product Updates
3 Service Drawings
•Diagnosis and Root Cause
•Strip Down Guidelines/Procedures
•Repair Assembly Guide
6 Summary Repair Notes
5.1
5.2
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7.1
7.2
8 Additional Training Information
•Battery Performance
•Battery Tester
•Hammer Mechanism
•Good Practices
•Cordless Motor test unit
DW718
8.1
8.2
8.3
8.4
8.5
2
Product Information
Customer Requirements
2.1
Slide Mitre Saw CTQ Research
Finish = Cut Quality
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Du
st
Co
ll.
Gr
oo
vin
g
Pr
ice
W
ei
gh
t
Si
ze
Ea
se
Cu
tC
ap
ac
ity
Mi
tre
Sc
ale
of
Us
e
Ease of Use = Fence
System Bevel Detents
Fi
ni
sh
Ac
cu
ra
cy
10
9
8
7
6
5
4
3
2
1
0
DW718
2
Product Information
Marketing Information
2.2
DW718-QS
DW718-GB
DW718-LX
DW718V-QS
DW718V-GB
DW718V-LX
DW718-B4
DW718-XE
V indicates factory fitted laser system
DW708 WILL BE DISCONTINUED FROM AUGUST 2005
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DW718
2
Product Information
Marketing Information
2.2
DW718 - 305mm Compound Slide Mitre Saw
•Cam action mitre lock function makes mitre setting faster
and easier allowing the user to quickly adjust angles between
0° - 60° left and 0° - 50° right
•The innovative grooving stop allows the adjustment of the
cutting depth for grooving and rebating applications.
•The large dual sliding fence gives maximum support in large
material cuts at any angle or combination of angles.
•Linear horizontal rails utilise bronze guides to provide
maximum precision when cutting materials up to 345mm
wide.
•New quick release bevel setting provides accurate and
simple setting of bevel angles up to 48° left and right.
•Compact and lightweight design characteristics deliver a saw
with enormous capacity which is easy to transport around the
jobsite
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DW718
2
Product Information
Features & Benefits
2.3
1. Improved Accuracy
2. Improved Cut Quality
Fence, bevel and detent plates
Rpm, Clamp Washer, Plate Thickness
3. Greater Horizontal Capacity 34% Greater than the competition
4. Greater Vertical Capacity
5. Improved Miter System
6. Smaller Size
7. Lighter Weight
25% Greater than the competition
Cam lock, detent plate, lock off
19% < 708, only 8% > 250mm saws
Improved center of gravity
8. Improved Bevel System
Absolute domination
9. Sustaining 305mm Share
9 Positive stops
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DW718
2
Product Information
Features & Benefits
2.3.1
DW718
Accuracy
• New Precise Mitre & Bevel System
• New Step-Up Machined Fence Support
• New Rail Support Clamp System
Capacity
• New Design Delivers Best-in-Class
Crosscut Capacity
• Tall Fence Design Delivers Highest
Vertical Capacity in its Class (160mm
Baseboard)
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DW718
2
Product Information
Features & Benefits
2.3.2
DW718
Ease of Use
• DEWALT Laser Compatible
• Thumb Actuated Mitre Lock
• New Easy Access Bevel Lock
• New Bevel Detent System
Portability
•Smallest 305mm Slide Miter Saw –
Packs up Smaller than Hitachi 250mm
Slide
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DW718
2
Product Information
Features & Benefits
2.3.3
Accuracy Improvements:
- Improve fence straightness
- Fence perpendicularity
- Table post
- Mitre detent spring
Cut Quality:
- é blade washer size
- New DEWALT blade
0.1mm
66mm
2mm plate
Horizontal Cutting Capacity:
- At Base Fence:
- At Secondary Fence:
355mm
406mm
Vertical Cutting Capacity:
- At Fence:
- At Full Extension:
163mm
91mm
Mitre System:
- Right Capacity:
- Left Capacity:
- Detent System:
60°
50°
Hard
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Size:
- Height:
- Length:
- Width:
Weight:
Grooving:
Bevel System:
- # of Detents:
- Degree of Detents:
- Detent Setting Location:
- Scale Location:
- Tightening Location:
Rail System:
- Design
- Diameter
DW718
396mm
470mm
770mm
24.8kg
150mm
9
0,22.5,33.9,45,48
Trunion
Trunion
Trunion
Horizontal
25mm
2
Product Information
Applications
2.4
PRIMARY USERS
APPLICATIONS
Joiners
Carpenters
First and second fix applications, trim carpentry, stud walling.
Large section carpentry, stair building (tread and riser), Furniture
manufacture.
Large roof truss compound mitres.
Aluminium and wooden frame sections and mitres.
Trim carpentry, second fix sill and skirt mitres, cornice compound
mitres.
Fencing
Builders, Roofers
Window Manufacturer
Kitchen Fitters
Contractors
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DW718
2
Product Information
Technical Information / Specifications
2.5
Voltage
230
115
Frequency
50
50
Armature / Rotor Resistance
0.95O
0.28O
Field / Stator Resistance Run
0.81O
0.17O
Field / Stator Resistance Brake
6.50O
1.55O
Initial Brush Length
21.5mm
21.5mm
No Load Speed / RPM
1900-3400 1900-3400
Input Watts
1600
1600
Output Watts
960
960
No Load Amps (Cordless Motors)
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DW718
3
Service Drawings
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DW718
3
Service Drawings
Handle Wiring
Motor Cable
•White - connects to Red from
Electronic Module.
•Yellow - connects to Terminal 2 on
switch – Bottom.
•Red - connects to Terminal 2 on
switch – Top.
•Black – connects to Terminal 1 on
switch – Top.
Electronic Module
•Red - connects to White from the
motor.
•White - connects to White from
the connector block plus
Black from the suppressor.
•Black - connects to Terminal 1 on
switch - Bottom plus Black
from the suppressor.
•White/Orange – Plugs into the
potentiometer.
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DW718
4
Repair Instructions
Diagnosis and Root Cause
4.1
Diagnosis
•
•
•
•
•
Check the unit is not plugged in
Check Cable
Check whether blade is tight
Check condition of blade
Check condition of drive belt
Check guard operation
•
•
•
Plug unit in
Quick test and check all functions
Make a test cut
Check for accuracy
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DW718
4
4.2
Repair Instructions
Strip Down Guidelines / Procedures
Blade Removal
Hold guard in the up position and loosen
the guard plate screw. Hold in the spindle
lock pin and use spanner supplied to
remove the blade bolt. Undo bolt in a
clockwise direction
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DW718
4
4.2.1
Repair Instructions
Guard Removal
Remove 2 Torx 20 screws as
shown by red arrows and
remove the guard linkage
Remove 2 Torx 20 screws as
shown by red arrows and
remove the guard
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DW718
4
4.2.2
Repair Instructions
Removal of Switch Handle
Remove 2 screws and lift off access panel. This is where the laser
plugs in.
Remove 1 screw and remove the handle.
Remove ?? Screws and remove handle cover.
Note how handle is wired and unplug/unscrew all connections.
Remove handle.
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DW718
4
4.2.3
Repair Instructions
Wiring Layout
Motor Cable
White - connects to Red from Electronic
Module.
Yellow - connects to Terminal 2 on switch –
Bottom.
Red - connects to Terminal 2 on switch – Top.
Black – connects to Terminal 1 on switch –
Top.
Electronic Module
Red - connects to White from the motor.
White - connects to White from the connector
block plus Black from the suppressor.
Black - connects to Terminal 1 on switch Bottom plus Black from the suppressor.
White/Orange – Plugs into the potentiometer.
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DW718
4
4.2.4
Repair Instructions
Removal of Belt cover & Electronics
Belt cover can be removed – Electronic module can be removed by
undoing 1 Torx 20 screw.
Please handle this component with care
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DW718
4
4.2.5
Repair Instructions
Removal of Belt & Motor
Measure belt at centre before removal – appx 10 mm
at centre.
Slacken belt tension screw – Remove belt
Remove 6 screws – Remove motor
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DW718
4
4.2.6
Repair Instructions
Motor Disassembly
Normal procedure to dismantle motor
Note condition of brushes and run time
Appx 1mm of wear per 10 hours
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DW718
4
4.2.7
Repair Instructions
Motor Disassembly
1
2
3
1 Care to be taken with field leads
4
2 Field inserts can be damaged
3 Cable clamp can be released
4 Note black side to brushes
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DW718
4
4.2.8
Repair Instructions
Motor Disassembly
Correct orientation of field and field case
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DW718
4
4.2.9
Repair Instructions
Field & Armature – Checking resistances
Armature and field coil readings can be checked per
specifications
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DW718
4
4.2.10
Repair Instructions
Arm Removal
Arm MUST be taken to the 90
degree position
Damaged will occur if this is
note done
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DW718
4
4.2.11
Repair Instructions
Arm Removal
Spring must be free
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DW718
4
4.2.12
Repair Instructions
Arm Removal
1
3
2
1.Loosen 2 grub screws
4
2. Return arm to 90 degree
3. Remove pin
4. Check condition of washers
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DW718
4
4.2.13
Repair Instructions
Pulley and Gear Removal
Spindle and pulley is complete
sub assembly
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DW718
4
4.2.14
Repair Instructions
Bevel Lock
Remove back cover to expose bevel lock
system
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DW718
4
4.2.15
Repair Instructions
Bevel Lock
Bevel detent lever and spring and how it
works
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DW718
4
4.2.16
Repair Instructions
Bevel Lock
Bevel detent lock
removed
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DW718
4
4.2.17
Repair Instructions
Bevel Lock
How the system works
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DW718
4
4.2.18
Repair Instructions
Fence Removal
1
3
2
1 & 2 Remove 5 torx 40 screw to lift fence
off
3. New fence recess to aid fence set up in
service
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DW718
4
4.2.19
Repair Instructions
Mitre Latch
Mitre latch system
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DW718
4
4.2.20
Repair Instructions
Mitre Latch
Correct layout
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DW718
4
Repair Instructions
4.2.21
Table Removal
Inner table removal
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DW718
5
5.3
Video & Animation Instructions
Service Tooling Application and Use
Service Tool 559626-99 must be
used to check and reset if
required the saw blade set up
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DW718
6
Summary Repair Notes
Useful Information
6.1
Before
Dismantling
During the
Repair
After the
Repair
Make a note of the type number and date code.
Carry out a quick test and check all functions
before dismantling (charge the battery).
Understand the root cause of the failure's).
Keep your workbench/Station absolutely clean.
Check spare parts for dirt, dust and corrosion.
Exchange all parts showing wear.
Use only original spare parts.
Always use service tooling where available.
After repair run in the unit and quick test all
functions.
In drill position the clutch has to lock
Make sure that the unit goes back to the customer
in a clean condition, with the tool tag attached
and the box is complete.
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DW718

DW718 - 2helpU

Transcription

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