Atlas Copco PHE50H Einrichtungshandbuch

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

Undo both screws (1) and remove the mo-

tor cover (2).

Remove both screws (3) as well as the

two screws (5) with distance sleeves (6).

Remove the complete housing (4).

Detaching the

auxiliary handle

Unscrewtheauxiliaryhandle(3),pushout

the screw (2) and remove it together with

the fan type lock washer (1).

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).

Lever off the cover (C).

Pull the plastic housing (A) from the ma-

chine.

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Removing the

electric

components

On both sides, loosen the screw (4) and

remove the cover (3).

Loosen the screw (A).

Lever off the Softgrip (8) from above since

it is fitted at the top (see arrow in illustra-

tion).

Loosen the screws (6) and detach the ca-

ble clamp (5).

Lay bare the connection cable (9) with the

switch(7).Branchofftheconnectioncable

from the switch (7).

Loosen the screw (1) and detach the

service-LED-module (2).

Dismantling the

nosepiece

Undo the six screws (1) (screws are se-

cured, therefore tight). Remove the nose-

piece (2) as well as the grease seal (A).

Remove the seal (9), bearing (6),

O-ring (7) and sleeve (8).

Press out the lever (B) with aid of a press

in direction of arrow.

Remove the bolt (5), spring (4) and

sleeve (3).

45 3 9

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Detaching the

gear box cover

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).

Remove the complete motor (1) by hitting

the gear box cover (3) or the armature pin-

ion with a plastic hammer.

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

Pull off the respective cable lugs (5) and

remove the carbon brushes (4).

Pull the complete armature (9) from the

motor housing (D).

Pull the O-ring (C), the rubber sleeve (6)

and the bearing ring (B) from the arma-

ture (9).

Press off the ball bearings (A) and (7) with

aid of the forcing disks (service tool).

Remove the seal ring (8).

Loosen the screws (3) and (E) and detach

the brush holders (1) and (2).

3 24

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Detaching

the field

Remove the air deflector ring (4) from the

motor housing (1).

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

Remove the O-ring (6) and the seal

ring (5) as well as the O-ring (3) from the

gear box cover (1).

Pull out the needle bearings (2) and (4)

with aid of an interior extractor.

Removing

the crank

Apply special pliers between gear wheel

and gear housing (3) to remove the lock-

ing ring (1).

Remove the crank (2) from the gear hous-

ing (3).

☞

For further dismantling, press off the

toothed gear (4) with forcing disks.

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Removing the

drive shaft

Loosen 2 screws (2).

Pull the complete drive shaft (1) from the

gear box (3).

☞

If necessary, hit the drive (1) with a

plastic hammer for support

fix the projecting drive in a vice with

aluminium jaws and pull off the gear

box (3).

Detaching

the pinion

Remove the locking ring (9) with aid of the

dis-assembly tool

(servicetool 4931 539 011)bydepressing

the spring plate (8).

Thefollowingpartsmustberemovedfrom

the pinion (1):

spring plate (8),

friction disk (7),

drive (6),

friction disk (5),

spring plate (4),

spacer (A),

plate (3).

Pressofftheballbearing(2)withaidofthe

forcing disks (service tool).

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Detaching the

bevel wheel

Undo the two screws (F) and remove the

anti-vibration plate spring (E).

Undo the five screws (7) together with

their washers and remove the flange (6)

from the gear box (D).

Undo the four nuts (9), remove the wash-

ersanddetachthecover(A) as wellasthe

gasket (B).

Remove the felt ring (C).

Take off the O-rings (1) and (2) as well as

both pins (3).

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).

Remove the O-ring (8).

Detaching the

connecting rod

Remove the O-Ring (1) from the pis-

ton (2).

Push the bolt (3) from the piston (2) and

pull out the connecting rod (5).

Press the needle bearing (4) from the con-

necting rod.

PAGE

Repair Instructions No.184.11/98

PHE 50 H

Disassembling

the spindle

sleeve

Remove the striker (G) from the spindle

sleeve (F) and remove the O-ring (H) from

the striker (G).

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.

PAGE

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

30 g

10 g

A3 Nm

3 Nm

lightly grease

10 g

PAGE

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).

2 31

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