DeWalt D25900K Service Manual

Page 21 of 63
Drift out Field and housing (2) by lightly tapping on opposite sides of Main Casting (44).
Remove seal (33)
q Remove SA Cover (53) 3x Screws,
q Remove O ring (52) This must be replaced.
q Remove Piston SA (51).This is only possible if the
Anti-vibration unit has been removed. Position the
CrankShaft Pin so the Con Rod can be lifted off and removed
through the front of Main Housing.
q To dismantle Piston push Pin (47) through from either side and lift
Piston off Con Rod (38)
Lever out Knob (48) x 2
Remove O Ring (49)

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