DeWalt D25900K Service Manual

Page 44 of 63
q Refit the Anti-Vibration Unit to the Main housing,
this can be made easier if the Switch Handle is
clamped into a vice. Protect the Handle from damage
by using soft jaws or rag.
q Make sure the narrow rib on the Front Housing is
facing the Gearbox and holding the internal parts in
position. Maneuver the Piston into the Cylinder and
lower onto the Main Housing.
q Make sure O Ring is in place.
q Fit the 4 Screws (65) and tighten to 17 Nm.
q The correct sequence is to tighten the screws in
opposite corners in turn
q Pick up the black plastic Housing (66). Pull the split
apart and line it up with the narrow groove facing the
Gearbox, slide over the housing until it clicks into
place.
This completes the Re-assembly of the Anti-vibration unit.

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