Atlas Copco 2000-2/MF Guida all'installazione
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Special Tools
Required
■
Mandril (diameter 9.5 mm), approx. 100 mm long.
■
Assembly support in which the tool can be fixed vertically.
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
chuck
1
Lever off the spring washer (4) with aid of
a screwdriver.
2Remove the pin (3) and the roller (1).
3Pull off the multi-function chuck (2).
4Only applicable for PN 2000 spec. N:
Remove the hammer chuck.
Dismantling the
gear box 1Insert the machine into the assembly
support and remove the four screws (6).
2Lever off the switch levers (2) and (4) with
aid of a screwdriver.
3Remove the gear box (5).
4Remove the pin (8), the gear switch
lever (7),andtheO-ring(3)togetherwiththe
discs.
5Remove the gear wheel (1).
6Remove the spindle sleeve (9).
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Dismantling the
reduction gear
1
Remove the axial needle bearing (4).
2Take out the complete reduction gear,
then remove the reduction gear shaft (8).
3Remove the needle bearing (2) and the
sealing ring (1).
4Remove the sleeve (7), the pin (6), and
the bearing (3).
5Remove the gasket (5).
Dismantling the
cylinder 1Remove he cylinder (3) together with the
percussion body (4). Pull the percussion
body (4) from the cylinder (3).
2Press the snap die (2) from the drill
spindle (5) with aid of a mandril. The
spring ring, the washer, and the rubber
ring are being destroyed.
3Remove the sealing ring (6).
4Remove the needle bearing (1).
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Dismantling the
handle shells
1
Unscrew and remove the service cover (2).
2Loosen the screws of the cable clip (5),
remove it and lay bare the power supply
lead.
3Loosen the connectors (4).
4Unscrew and remove the housing (3).
Dismantling the
motor 1Lever off the brush holder insulation (1)
andthebrushholders(3)togetherwiththe
carbon brushes (2).
2Only applicable for PN 2000 SMF2:
Removethe switch(6)completelywiththe
torque pre-setting dial and the torque
switch.
3Dismantle the switch.
4Branch off the cords.
5Removethearmature(4)togetherwiththe
field (5) from the housing.
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
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
maintenance 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
cleaning 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
Mechanical 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.
Legend
A
Cover with grease (10 g Tivela)
B
Cover with grease (20 g Darina)
B
A
A A
A A
A
AAA A
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Assembly
Mounting the
armature
1
Insert the armature (4) together with the
field (5) into the housing.
2Only applicable for PN 2000 SMF2:
nsert the complete switch (6), with the
torque pre-setting dial and the torque
switch into the housing. Insert the cords
into the provided reliefs and connect them
according to the wiring diagram.
3Mount the switch.
4Insert the brush holder insulations (1) and
the brush holders (3) together with the
carbon brushes (2) into the housing.
Assembling the
housing 1Fit the housing (3) and fasten it with
screws. Take care that no cables are
squeezed or jammed.
2Fixthe power supply lead with the connec-
tors (4) and fasten the cable clip (5) with
screws.
3Screw down (1) the service cover (2).
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Mounting the
cylinder
1
Mount the needle bearing (1).
2Insert the sealing ring (6).
3Insert the snap die (2), the rubber ring, the
washer, the spring ring, and the drill
spindle (5).
4Insert the cylinder (3) as shown in
illustration. Insert the percussion body (4)
into the cylinder (3).
Assembling the
reduction gear 1Mount the bearing (3) and the gasket (5).
2Insert the pin (6) and the sleeve (7).
3Mount the sealing ring (1) and the needle
bearing (2).
☞Press the reduction gear wheel (9)
onto the wobble gear drive. The end
play must be 0.05 + 0.03 mm.
4Mount the reduction gear complete with
thereduction gear shaft(8).Insert thedisc
springs opposite each other (see illustra-
tion).
5Mount the axial needle bearing (4).
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Repair Instructions No.176.11/95
PN 2000-2/ MF/ MF2/ N/ SMF2/ spec.N
Mounting the
gear box
1
Insert the spindle sleeve (9) into the gear
box.
2Fit the gear wheel (1).
3Insert the O-ring (3) together with the
discs. Mount the gear switch lever (7) and
the pin (8).
4Place the complete gear box (5) onto the
motor housing.
5Insert new switch levers (2) and (4) into
the gear box.
6Fit the gear box (5) to the motor housing
and fasten with the four screws (6).
Mounting the
chuck 1Mount the multi-function chuck (2).
2Insert the tension pin (3) and the roll (1).
3Insert the spring washer (4).
4Only applicable for PN 2000 spec. N:
Mount the hammer chuck.
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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