Atlas Copco PHE50H Setup guide

1
PAGE
Repair Instructions No.184.11/98
PHE 50 H
Special Tools
Require
■ Allen key, long 4931 599 010
■ Forcing disks 4931 599 018
■ (Dis-) Assembly tool 4931 599 011
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!
■ Before dismantling, the machine must be connected to RTR-READER (maintenance measuring in-
strument) to check for a possible maintenance interval.
Disassembly
Detaching the
housing
1 Undo both screws (1) and remove the mo-
tor cover (2).
2
Remove both screws (3) as well as the
two screws (5) with distance sleeves (6).
3 Remove the complete housing (4).
Detaching the
auxiliary handle
1 Unscrewtheauxiliaryhandle(3),pushout
the screw (2) and remove it together with
the fan type lock washer (1).
2
Screw off the clamping ring (4) and re-
move the following parts:
- depth gauge (9),
- support (5),
- cover cap (8),
- dust seal (6) and
- tightening strap (B).
3
Lever off the cover (C).
4
Pull the plastic housing (A) from the ma-
chine.
1
2
4
5
3
6
1
3
4
1
8
7
2
6
9
A
BC
5
2

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Repair Instructions No.184.11/98
PHE 50 H
Removing the
electric
components
1
On both sides, loosen the screw (4) and
remove the cover (3).
2
Loosen the screw (A).
3
Lever off the Softgrip (8) from above since
it is fitted at the top (see arrow in illustra-
tion).
4
Loosen the screws (6) and detach the ca-
ble clamp (5).
5 Lay bare the connection cable (9) with the
switch(7).Branchofftheconnectioncable
from the switch (7).
6
Loosen the screw (1) and detach the
service-LED-module (2).
Dismantling the
nosepiece
1
Undo the six screws (1) (screws are se-
cured, therefore tight). Remove the nose-
piece (2) as well as the grease seal (A).
2
Remove the seal (9), bearing (6),
O-ring (7) and sleeve (8).
3
Press out the lever (B) with aid of a press
in direction of arrow.
4
Remove the bolt (5), spring (4) and
sleeve (3).
1
43
2
7
6
8
5
9
A
3
76
A
8
45 3 9
B
1
2
4

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Repair Instructions No.184.11/98
PHE 50 H
Detaching the
gear box cover
1
Loosen two screws (2) and then the four
screws (5) and detach the complete mo-
tor (1) with the gear box cover (3) and the
gasket (4).
2 Remove the complete motor (1) by hitting
the gear box cover (3) or the armature pin-
ion with a plastic hammer.
3
Lift off the respective brush springs (6)
from the carbon brushes and place them
on the top edge of the brush holders.
Detaching the
armature
1
Pull off the respective cable lugs (5) and
remove the carbon brushes (4).
2
Pull the complete armature (9) from the
motor housing (D).
3
Pull the O-ring (C), the rubber sleeve (6)
and the bearing ring (B) from the arma-
ture (9).
4
Press off the ball bearings (A) and (7) with
aid of the forcing disks (service tool).
5
Remove the seal ring (8).
6 Loosen the screws (3) and (E) and detach
the brush holders (1) and (2).
1
5
2
3
4
6
5
8
9
A
6C
7
D
B
3 24
5
1
E
6

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Repair Instructions No.184.11/98
PHE 50 H
Detaching
the field
1
Remove the air deflector ring (4) from the
motor housing (1).
2
Undo both screws together with their
spring washers (3) and knock the field (2)
from the motor housing (1) with aid of a
plastic hammer.
Detaching the
needle bearings
1
Remove the O-ring (6) and the seal
ring (5) as well as the O-ring (3) from the
gear box cover (1).
2
Pull out the needle bearings (2) and (4)
with aid of an interior extractor.
Removing
the crank
1
Apply special pliers between gear wheel
and gear housing (3) to remove the lock-
ing ring (1).
2 Remove the crank (2) from the gear hous-
ing (3).
☞
For further dismantling, press off the
toothed gear (4) with forcing disks.
3
4
1
2
7
2
3
5
1
4
6
8
2
3
1
4
9

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Repair Instructions No.184.11/98
PHE 50 H
Removing the
drive shaft
1
Loosen 2 screws (2).
2 Pull the complete drive shaft (1) from the
gear box (3).
☞
If necessary, hit the drive (1) with a
plastic hammer for support
or
fix the projecting drive in a vice with
aluminium jaws and pull off the gear
box (3).
Detaching
the pinion
1
Remove the locking ring (9) with aid of the
dis-assembly tool
(servicetool 4931 539 011)bydepressing
the spring plate (8).
2
Thefollowingpartsmustberemovedfrom
the pinion (1):
spring plate (8),
friction disk (7),
drive (6),
friction disk (5),
spring plate (4),
spacer (A),
plate (3).
3
Pressofftheballbearing(2)withaidofthe
forcing disks (service tool).
3
1
2
10
6
5
8
4
7
3
2
1
9
A
11

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Repair Instructions No.184.11/98
PHE 50 H
Detaching the
bevel wheel
1
Undo the two screws (F) and remove the
anti-vibration plate spring (E).
2
Undo the five screws (7) together with
their washers and remove the flange (6)
from the gear box (D).
3
Undo the four nuts (9), remove the wash-
ersanddetachthecover(A) as wellasthe
gasket (B).
Remove the felt ring (C).
4
Take off the O-rings (1) and (2) as well as
both pins (3).
5 Take a plastic hammer and knock against
the opening of the gear box (D). This will
undo the bevel wheel (4) and the ball
bearing (5).
6
Remove the O-ring (8).
Detaching the
connecting rod
1
Remove the O-Ring (1) from the pis-
ton (2).
2
Push the bolt (3) from the piston (2) and
pull out the connecting rod (5).
3
Press the needle bearing (4) from the con-
necting rod.
2
1
3
A
7
9
8
B
E
4
5
6
C
D
F
12
3
4
1
25
13

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Repair Instructions No.184.11/98
PHE 50 H
Disassembling
the spindle
sleeve
1
Remove the striker (G) from the spindle
sleeve (F) and remove the O-ring (H) from
the striker (G).
2
Remove the following parts:
- bearing ring (1),
- balls (2) (6 pcs.),
- O-rings (3),
- driver (4),
- ring (5),
- O-rings (6),
- anvil (7),
- sleeve (8),
- O-ring (9),
- rings (A, B and C),
- locking ring (D) and
- ball bearing (E).
Maintenance
General It is recommended to submit the machine to maintenance after the carbon brushes have switched off.
Cleaning Clean all parts – with the exception of the electrical parts – with cold cleaning agent. Caution! No clean-
ing agent should penetrate into the bearing. Clean the electrical parts with a dry brush.
Check for wear Check the disassembled parts for wear (visual inspection) and replace worn parts.
Electrical tests Before reassembling, perform an electrical test on all relevant parts (see chapter Electrical and Me-
chanical Test Instructions).
Lubrication Each time maintenance is performed, the machine is to be lubricates as stated in the lubrication plan.
After the machine is fully disassembled, completely remove the old grease and replace with new
grease. The grease must be applied to the machine as indicated in the lubrication plan.
F
E
H
G
7
9
C
A
8
BD
45
3
2
1
6
14

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Repair Instructions No.184.11/98
PHE 50 H
Legend
ACover with grease DARINA (total of 50 g) (4931 622 229)
BCover with blue grease Mobilith HP 222 (40 g total) (9170 304 322)
C Cover with Tivela Compound A (10 g) (4931 70 215 436)
Torques Screws in plastic 1,5 Nm
Screws in metal 4,0 Nm
Motor housing screws (1) 4,0 Nm
Flange screws gear (2) 10,0 Nm
Screw locking
device Secure all screws in metal with locking device Loctite 222 or Omnifit 80.
40 g
C
30 g
30 g
10 g
1
A
A
A
A
C
C
2
B
A3 Nm
C
C
A
C
B
B
3 Nm
B
B
B
B
B
lightly grease
lightly grease
A
10 g
A

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Repair Instructions No.184.11/98
PHE 50 H
Assembly
Assembling the
spindle sleeve 1Mount the ball bearing (E) and the locking ring (D) on the spindle sleeve (F).
2Mount the following parts inside the spin-
dle sleeve (F):
- rings (C, B and A),
- O-ring (9),
- sleeve (8),
- anvil (7),
- O-ring (6),
- ring (5),
- driver (4),
- O-rings (3),
- balls (2),
- bearing ring (1).
3Insert the striker (G) with the O-ring (H)
into the spindle sleeve (F).
Mounting the
connecting rod 1Press the needle bearing (5) into the con- necting rod (6).
2Push the connecting rod (6) into the pis-
ton (3) and secure it with the pin (4).
3Push the O-Ring (2) onto the piston (3).
☞Takecare that the O-ring (2)onthepis-
ton (3) is not twisted. If necessary, lift
the O-ring (2) with a screwdriver and
straighten it.
4Insert the piston (3) completely with the
connecting rod (6) into the drill spindle
sleeve (1).
Mounting the
bevel wheel 1Press the ball bearing (2) flush into the gear box (6).
2Press the bevel wheel (1) into the ball
bearing (2).
3Press the pin (3) as well as the O-rings
(4 and 5) into the gear box (6).
F
E
H
G
7
9
C
A
8
BD
45
3
2
1
6
1
3
4
1
5
6
2
2
6
45 2 31
3