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DeWalt
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D25900K
DeWalt D25900K Service Manual
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Full Strip down and Re-assembly procedure for the 10KG Demolition Hammer
D25900K.
This procedure is in Four main sections.
1.
General Information / Tooling
2.
Total Strip Down.
3.
Re-assembly.
4.
Routine Servicing.
Tool Holder
Anti-Vibration
Unit
Gearbox
Motor Unit
Crankcase
Piston &Cylinder
Beat Piece & Ram
Switch
2
Table of Contents
Index
2
General Information
3
Serial Number / Date Code
3
Service Kits
4
Hand Tools Required
5
Service Tooling
6
Crank Gear Removal & Assembly Tool
6
Motor Assembly Tool
6
Armature Seal & Bearing Assembly Tool
7
Spindle Seal & Tool Holder Assembly Tool
7
Snap Ring Assembly Tool
8
Remove Tool Holder and Beat Piece
9
Dismantle Tool Holder Assembly
11
559619-99 Snap Ring Assembly Tool.
11
Anti-Vibration Unit
16
Dismantle Motor and Gearbox
18
Remove Handle / Switch
18
Armature & Field
19
Remove Bar from Underside of Service Jig 559617-99
27
Remove Housing from Service Jig
29
Re-Assembly of Crank Case , Piston and Gear Case.
34
Total Amount of Grease (800) 83 Grams
34
Reassemble Cylinder and Ram.
40
Reassemble Anti-Vibration Unit
42
Total Amount of Grease (800) 39 Grams
42
SDS Spindle.
45
Service Tool 559620-99
45
Spindle & Flange Assembly
46
Turning Sleeve Assy.
48
Tool Bit Locking Assembly
51
Sliding Sleeve/ Snap Ring Assembly. Use Service Tool 559619-99.
53
Snap Ring Assembly
54
Beat Piece Assembly.
58
Total Amount of Grease (800) 7 Grams.
58
Routine Servicing
62
Fault Finding
63
Run Test Data
63
Unit Lacks Power
63
Motor Speed Incorrect
63
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DeWalt D25900K Specifications
General
Input power
1500 W
Power source
AC
AC input voltage
230 V
AC input frequency
50 Hz
Impact rate
2040 bpm
Impact energy (max)
25 J
Chuck type
SDS Max
Weight and Dimensions
Weight
9800 g
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