Replacement Of Rear Cover; Replacement Of Armature - Doosan DX140R Shop Manual

Insert vane, with the circled edge of vane facing in the
counterclockwise direction. (Detail A)
Insert a new O-ring during reassembly of pump cover.
REPLACEMENT OF REAR
COVER
Brush assembly and a thermal limiter are installed in the rear
cover. If you find any damage, replace them with new ones.
Remove the switch cover and screw (M5 x L95) from the rear
cover.
Remove cover.
At reassembly of rear cover, widen the space of the brush and
insert it to the armature. Then fit the hole of screw in the
housing.
Be careful when installing the screw. The cover screw may be
attracted by the motor magnet.

REPLACEMENT OF ARMATURE

You can replace only the armature in case motor was damaged
by a short circuit.
Remove the switch cover and rear cover, than remove the
armature from the housing.
Remove the pump cover and remove the rotor and vane.
Insert a new armature into the housing.
Refer to "Replacement of Rear Cover" on page 1-8, for
installation of the rear cover.
Fit the rotor into the shaft flute of the armature. Insert vane to the
rotor being careful of the direction. Refer to "Replacement of
Rotor and Vane" on page 1-7.
Fuel Transfer Pump
Page 8
IN OUT
Figure 6
Figure 7
Pump Side
Commutator
Figure 8
A
FG003883
Rear Cover
Side
FG001146
SP000021