Atlas Copco PHE 20, Repair Instructions

Page: 2 / 8

1
PAGE
Repair Instructions No.163.01/96
PHE 20 / PHE 26 / PHE 200
Special Tools
Required
■
Allen key
■
(Dis-)assembly set 4931 599011
■
Repair tool set 4931 599016
Important!
■
Before beginning the maintenance work, perform an initial check with a high voltage test according
to VDE (see chapter Electrical and Mechanical Test Instructions).
■
Before all repair work, pull the power plug from the socket!
Disassembly
Dismantling the
carbon brushes
1
Loosen the five screws (4) and remove the
upper handle cover (3).
2
Remove the cable collar (2).
3
Disconnect the power supply lead togeth-
er with the cable entry sleeve (5) from the
switch (1) and remove them.
4
Branch off all the strands from the switch (1),
from the capacitor (6) and from the brush
holder (7). Remove the switch (1) and the
capacitor (6).
5
Pull the strands from the brush holder (7).
Pull out the brush holder (7) and remove
the carbon brushes (8).
Dismantling the
wheel shaft
1
☞
Remove all six gear screws. Remove
the gear box completely with the bear-
ing end plate and the armature from
the motor housing.
2
Loosen the four screws and remove the
housing cover (1).
3
Pull the cylinder (3) together with the per-
cussion body (4) from the motor housing.
Remove the piston con-rod (5) from the
wheel shaft (6) and take it out.
4
Remove the four cylinder screws (2) and
completely remove the wheel shaft (6).
5
Push the sleeve (8) (special tool) onto the
bearing cover (7). Press off the sun wheel
and the ball bearing. The bearing cover (7)
gets destroyed.
6
Remove the air deflector plate (9) from the
motor housing.
7
Beat the field from the motor housing.
☞
Take care that the field was discon-
nected beforehand.
1
2
3
4 5
6
7
8
1
7
6
5
4
1
9
2
3
8
7
2