Atlas Copco PHE 20 Guida all'installazione

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

Loosenthefivescrews(4)andremovethe

upper handle cover (3).

2Remove the cable collar (2).

3Disconnect the power supply lead togeth-

er with the cable entry sleeve (5) from the

switch (1) and remove them.

4Branchoffallthestrandsfromtheswitch(1),

from the capacitor (6) and from the brush

holder (7). Remove the switch (1) and the

capacitor (6).

5Pull 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.

2Loosen the four screws and remove the

housing cover (1).

3Pull 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.

4Remove the four cylinder screws (2) and

completely remove the wheel shaft (6).

5Push the sleeve (8) (special tool) onto the

bearing cover (7). Press off the sun wheel

andtheballbearing.Thebearingcover(7)

gets destroyed.

6Removethe airdeflector plate(9) fromthe

motor housing.

7Beat the field from the motor housing.

☞Take care that the field was discon-

nected beforehand.

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

Dismantling the

gear box

Carefullyremovethe bearingendplate (9)

from the gear box (2) (lever it off with aid

of a screwdriver).

2Remove the gasket (3).

3Expel the armature (8) by hitting the bear-

ing end plate (9) lightly with a plastic ham-

mer.

4Remove the two screws (4).

5Put the bearing end plate (9) onto a pad.

Press out the reduction gear shaft (1)

through the sun wheel (7) with aid of a

mandril.

6Place the reduction gear wheel (6) to a

sleeve(repairtoolset; service tool). Press

out the sun wheel (1) with aid of a screw

press.

7Remove the gear wheel (6), the bearing

cover (5) and the bearing.

Dismantling the

snap die 1Remove the intermediate wheel (8) with

aid of a plastic hammer and press off the

ball bearings at both sides.

2Completely remove the locking ring, the

set collar (2), the O-ring (1), and the set

collar from the spindle gear.

3Remove the O-ring (3), the disc (7), the

spring sleeve (4), the ball, and the sleeve

(6).

4Remove the rolls (5) and both balls.

5Applicable for the new SDS-Plus-System

(A): the rolls (5) are replaced by balls.

6Press out the snap die (9).

9 8

32 4

6 5

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

Dismantling the

spindle gear

Remove the disc (1), as well as the locking

ring, the bearing cover, the disc, the locking

ring, the ball bearing, and the seal ring (2).

2Press the complete spindle (3) from the

gear box.

3Push back the ring (8) and the cup

springs (7) with aid of the disassembly

tool (4)(servicetool)andremovethelocking

ring (9) with aid of special pliers.

4Remove the disassembly tool (4) from the

spindle (3) and remove the locking ring.

5Removethering (8),the cupsprings (7),the

disc (6), the balls, and the spindle gear (5).

56789 7

Maintenance

General

It is recommended to regularly submit the tool to maintenance, or as soon as the hammer mechanism

gets weak, or when the carbon brushes switch off. When carrying out maintenance all parts of the main-

tenance set must be exchanged. Use the respective maintenance set provided for each machine.

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).

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

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.

Legend

Cover with grease 10 g Tivela

Cover with grease 10 g Darina

Fill with grease Tivela

Torques

Gear box screws 3,0 Nm

(additionally secure with screw locking device)

Housing screws (plastic) 2,0 Nm

A B

A A

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

Assembly

Pre-assembling

the reduction

gear shaft

Pre-assemblethereductiongearshaft(1),

the reduction gear wheel (2), the bearing

cover (3), and the ball bearing (4).

2Press the pre-assembled components

into the bearing end plate (7). Fasten it

with additionally secured screws (Omnifit).

3Measure the center distance of the sun

wheel (6). If necessary, correct the dis-

tance with washers.

☞Set the center distance with aid of the

sleeve (8) (repair tool set; special tool)

to 60,5 - 0,05 mm. Check the distance

between the upper and the lower part

with aid of a feeler gauge and set the

tolerance to - 0,05 mm with washers.

4Press on the sun wheel (6) with aid of the

repair tool set (8) (service tool).

5Fit the complete armature to the bearing

end plate (7). Mind the right position.

6Insert the O-ring (5) into the bearing end

plate (7).

60.5 - 0,05

8 7

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

Mounting the

spindle gear

Push the spindle gear (6) completely with

greased balls (5), disc, cup springs (7),

ring (8), and locking ring onto the spindle.

2Push back the ring (8) as well as the cup

springs (7) with aid of the assembly tool (9)

(servicetool)andmountthelockingringwith

aid of special pliers.

3Insert the complete spindle into the gear

box.

4Mount the seal ring (4), the ball bearing, the

locking ring, the disc (3), bearing cover (2),

the locking ring, as well as the disc (1).

Mounting the set

collar 1Insert the disc (2). Insert the rolls (3) with

grease.

2Applicable for the new SDS-Plus-System

(A): the rolls (5) are replaced by balls.

3Slide on the sleeve (4) together with the

ball.

4Mount the spring sleeve (5), the disc, the

O-ring (6), the set collar, the cover (8), the

locking ring, and the O-ring (9).

5Insertthesmallintermediatewheel(7)into

the gear box and fit it together with the

gasket (1) to the bearing end plate.

2 3 4

78 7 56

356 4

PAGE

Repair Instructions No.163.01/96

PHE 20 / PHE 26 / PHE 200

Mounting the

wheel shaft

Completely assemble the wheel shaft (6)

and press the reduction gear flush onto

the wheel shaft.

☞

Use a new bearing cover (7).

2Insert the complete wheel shaft into the

motor housing (8) and fasten it with

screws. Additionally secure the screws

with screw locking device.

3Insert the percussion body (4) and the pis-

ton con-rod (5) together with the four-lip-

seal-ring into the cylinder (3).

4Insert the cylinder (3) into the motor hous-

ing (8) and insert the con-rod into the

wheel shaft tappet.

5Insert the field and the air deflector

plate (9) into the motor housing (8).

6Fasten the pre-assembled bearing end

plate with screws to the gear box. Addi-

tionally secure the screws with Omnifit.

7Fasten the completed gear box to the mo-

tor housing (8) with screws. Additionally

secure the screws with Omnifit.

8Fit the housing cover (1) together with the

gasket and fasten it with screws.

Mounting the

carbon brushes 1Insert the carbon brushes (9) into the

brush holders (8) and mount the plug con-

tacts.

2Insert the brush holders (8) with the car-

bon brushes (9) above the armature col-

lector into the reliefs of the lower handle

shell (1). Take care that the strands of the

armature collector keep free.

3Install the switch (2) and the capacitor (7) to-

gether with all the strands into the provided

reliefs of the handle shell (1) and connect

them according to the wiring diagram.

4Mount the power supply lead and the ca-

ble entry sleeve (6) with the cable clip (3).

Connect the power supply lead according

to the wiring diagram.

5Fasten the upper handle shell (4) with the

five screws (5).

Test Run

Electrical Test

Check the direction of rotation!

Let the machine run-in.

Perform an electrical test on the machine (see chapter Electrical and Mechanical Test Instructions).

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