莱驰研磨仪维修手册_rm200_英文版

莱驰研磨仪维修手册_rm200_英文版
莱驰研磨仪维修手册_rm200_英文版

Repair Manual for Mortar Grinder

Type RM 200

1 Notes on the Repair Manual

1.1 General Points

This repair manual for the type RM 200 mortar

grinder contains all the information necessary for

the areas named in the table of contents.

For your own safety, we recommend that you have

the necessary repairs done only by Retsch GmbH or

an authorised agency (service technicians).

If repairs that are not described in this manual are

necessary, please consult your supplier or contact

Retsch GmbH directly.

Retsch GmbH

Rheinischestr.36

42781 Haan / Rheinland

Germany

1.2 Necessary Documents

? Repair Manual

? Operating Instructions

? Inspection Instructions Doc. No. 98.001.0193

1.3 Necessary General Inspections

? Insulation test as in EN 60204-1 (VDE 0113)

? Protective conductor test EN 60204-1 (VDE 0113)

? Voltage testing as in EN 60204-1 (VDE 0113)

Please refer to Inspection Instruction Doc. No.

98.001.0193 for the permissible measurements.

1.4 Tools

The following tools should be ready to hand:

Phillips screwdriver 2x100

Screwdriver 5x100

2

A/F

Hex

key

3

A/F

Hex

key

Open-jaw wrench A/F 5.5

Open-jaw wrench A/F 7

Open-jaw wrench A/F 8

1Notes on the Repair Manual (2)

1.1General Points (2)

1.2Necessary Documents (2)

1.3Necessary General Inspections (2)

1.4Tools (2)

1.5Description of the Device (4)

1.6View of the Milling Chamber (6)

2Instructions for Repairs and Dismantling (7)

2.1Taking off the Hood (7)

2.2Setting the Lock Pretensioning (8)

2.3Dismantling the Housing (8)

2.4Dismantling the Housing Flange (9)

2.5Dismantling the Bearing Sleeve (10)

2.6Dismantling the Bearing Flange (11)

2.7Replacing the Needle Bearing in the Bearing Flange

(Pestle Bearing) (11)

2.8Replacing the Motor Flange (12)

2.9Replacing the Motor (12)

2.10Replacing the Motor Pin (14)

2.11Setting the Magnetic Switch on the Lid (15)

2.12Replacing the Control (16)

2.13Replacing and Setting the Scraper (19)

2.14Adjusting the Scraper to the Mortar (20)

2.15Checking the Scraper Setting (21)

2.16Trial Milling Operation (21)

2.17Replacing the Rubber Buffer on the Scraper (22)

2.18Mounting and Setting the Rotary Knobs (23)

2.19Replacing the Window Panes (23)

2.20Replacing the Bearing Plate for the Pestle (24)

2.21Replacing the Motor Flange Bearing (25)

2.22Replacing the Scraper Bearing (26)

2.23Replacing the ON/OFF Switch (26)

2.24Replacing the Device Fuse (27)

3Technical Data (28)

3.1Analyses of the Materials (29)

4Parts Lists (30)

4.1Part 1 Individual Components (30)

4.2Part 3 Variant Assignment (32)

4.3Spare Parts List for 2-Year Operation (33)

4.4Part 5 Recommended Spare Parts (33)

5Part 4 Drawings (34)

5.1RM200 Views and Sections (34)

5.2Dimensional Data Sheet (41)

5.3Circuit Diagram (43)

1.5 Description of the Device

Diagram of the Parts of the Device:

Front View

Rear View

G

K

L

M

F

I

J E

H

Element Description Function

A Device socket Connection for the device’s power cable

B Fuse tray Holds two glass fuses

C Type plate Information on the device and connected

loads

D ON / OFF switch For turning the RM200 on and off

E Display and operating unit:

see below for explanations Setting the time and starting / stopping the machine

F Lock handle For opening and locking the milling chamber

G Rotary grip - pestle pressure

adjustment

Turning alters the pestle contact pressure

H Scale Guide for setting the pestle pressure

I Filling aperture Sample material is filled in here.

J Viewing window Allows the milling process to be monitored,

especially for adjusting the scraper

K Setting knob for scraper Sets the contact pressure or gap for the

scraper

L Pestle setting knob For adjusting the pestle in relation to the

mortar wall

M Hood Closes the milling chamber

1.6 View of the Milling Chamber

Element Description

Function

V Pestle Crushes and mills the material W Mortar Holds the material to be milled

X Scraper

Mixes the milled material thoroughly and scrapes off any material adhering to the mortar Y Fixing screw for scraper Holds the scraper in place with the screwed-on fixing clamp Z

Fixing clamp for scraper

Clamps the scraper

Y

X

Z

2 Instructions for Repairs and Dismantling

2.1 Taking off the Hood

Tools required

Torx 25; Hex key 2mm; Open-end wrench 8mm

Spare Parts Required

Fig. 2.1-1 1. Disconnect the C mains plug. 2. Remove pestle V and mortar W 3. Unscrew (2x Fs screws) and remove the F lock handle.

4. Unscrew the G rotary grip that is on the pestle pressure

adjustment mechanism

5. Unscrew the threaded pins at both rotary knobs K /L

6. Unscrew both rotary knobs K /L.

7. Take the adjusting washers and Belleville washers off the

axles.

8. Screw in the left axle for the scraper setting mechanism K by

turning it in a clockwise direction as far downwards as possible 9. Screw in the right axle for the pestle adjustment L by

turning it in an anticlockwise direction as far downwards as

possible

10. Unscrew and take out the 4 housing screws (Torx).

11. Align the Lf bearing flange pestle until the axle falls down in

the lid of the housing

12. Pull the hood upwards and off

Fig. 2.1-2

Fs F

K L Lf

Gs

2.2 Setting the Lock Pretensioning

Tools required

Hex key 2mm

Spare parts required

Description of the procedure Fig. 2.2-1 The lock pretensioning on the lock handle F can be influenced by the adjustment of the rubber buffer Gp .

1. Open the hood H and unscrew the threaded pin Gw .

2. Increase the lock tension: (unscrew)

Turn the Gp rubber buffer in an anticlockwise direction.

3. Reduce lock tension: (tighten)

Turn the Gp rubber buffer in a clockwise direction.

4. Check the lock pretensioning by closing the hood H and

by tightening the lock handle F

2.3 Dismantling the Housing

Tools required

Phillips screwdriver size 2

Spare parts required

Description of the procedure Fig. 2.3-1 1. Remove the 5 Gs housing screws Fig. 2.3-1

2. Tilt the RM200 on its side and twist off the 4 feet Sf . Fig.

2.3-2

3. Once the RM200 has been set up on the bottom part of

the housing, you can carefully take off the top part of the housing. Pay attention to the cabling in the housing. Fig. 2.3-3 Fig. 2.3-4

Fig. 2.3-4

Gs

Gs

Gs

Sf

Gw

H

Gp

F

2.4 Dismantling the Housing Flange Tools required

Hex key 5mm

Screwdriver 5x100

Spare parts required

Description of the procedure

Fig. 2.4-1 1. See Chapter 2.1 Taking off the Hood and 2.8 Replacing

the Motor Flange

2. Loosen the three Sg screws.

3. Tilt the housing flange on its side carefully without

damaging the cables.

Note: the K1 cable runs from the Hall sensor to the

control and the K2 cable runs from the hood switch to the control also.

4. There are two ways of loosening the K1 cable or

dismantling the Hall sensor:

a. Loosen the counternut at the Hall sensor and

then unscrew and remove the Hall sensor.

b. If the housing has been dismantled already, the

K1 cable can be taken off the control.

5. There are also two ways of loosening the K2 cable or

removing the Hs hood switch:

a. Loosen the four Sa screws on the rear cover

plate Al. Now loosen the counter nut at the hood

switch and twist it out.

b. If the housing has been dismantled already, the

K2 cable can also be disconnected from the

control and taken out of the housing.

K2

Al Hs

Sg

2.5 Dismantling the Bearing Sleeve Tools required

Screwdriver 5 mm x 100

Water pump pliers

Spare parts required

Description of the procedure

Fig. 2.5-1

Fig. 2.5-2 Fig. 2.5-3

Fig. 2.5-4

G

Kl

2.6 Dismantling the Bearing Flange Tools required

Hex key 4mm

Spare parts required

Description of the procedure

1. For the preliminary work, see Chapter

2.1Taking off the

Hood

2. For further preliminary work, see Chapter 2.5

Dismantling the Bearing Sleeve

3. Remove the rubber ring covering the three screws, S1,

S2 and S3.

4. Fold down the head plate.

5. Loosen and remove the S1, S2 and S3 screws. Fig. 2.6-1

6. When inserting the S1, S2 and S3 screws, secure them

with Loctite.

2.7 Replacing the Needle Bearing in the Bearing Flange

(Pestle Bearing)

Tools required

Drift punch

Spare parts required

1 x sealing ring 05.111.0079

2 x needle bearings 05.484.0009

Description of the procedure

1. For the preliminary work, see Chapter

2.6 Dismantling

the Bearing Flange

2. Remove the Sm sealing ring Fig. 2.7-1

3. The two bearings are then tapped out from both sides

with a drift punch.

4. Now, use a pressing implement to press the new needle

bearings and the spacer into the bearing flange.

5. Insert the new Sm sealing ring.

6. The new needle bearings are secured with Loctite 241

and then greased on the inside.

S1

S3

2.8 Replacing the Motor Flange

Tools required

2 screws M5x50 Rubber hammer 2x hex key 4 mm

Spare parts required

Description of the procedure 1. Open

the M hood. 2. Then, remove the pestle.

3. Place two metal sheets underneath as protection for

the motor flange. Insert two screws with M5 threading and a minimum depth of 50 mm into the two Ab forcing bores. Fig. 2.8-1 4. Tighten the screws at the same time in order to

press the Mf motor flange off the motor axle in parallel alignment. 5. Insert the motor flange in such a way that the slot

on the underside engages with the pin.

6. Use a rubber hammer to tap in the new motor

flange and in doing so take care that it enters the bearing in a straight line.

2.9 Replacing the Motor

Tools required

Open-jaw wrench 8/8 Rapidly acting adhesive

Spare parts required

The 03.713.0065 divider RM200 Foam Cellofoam 460UL might be needed. Motor to suit the voltage variant

Description of the procedure 1. For the preliminary work, see 2.3 Dismantling the Housing / 2.12 Replacing the Control

2. Remove the K1 K2 K3 K4 cables as stated in Chapter

2.12 Replacing the Control

3. Loosen the cables at the six-fold distribution in the Ev

earthing terminal block Fig. 2.9-2

4. Remove the connection cable to the operating capacitor

Bk Fig. 2.9-1

5. Now carefully take the Sc foam divider out of the grey

Cellofoam. The foam divider is fixed in position with a few small adhesive dots. Fig. 2.9-4

When assembling, take care that the foam divider is in the correct position so that the air can circulate appropriately! Fig. 2.9-3 Use rapidly acting adhesive on 4 different adhesive dots to fix the foam divider in position on the motor ventilator hood

6. Remove the four motor mounting screws

Fig. 2.9-5 Fig. 2.9-6

Ab

Fig. 2.9-3

Fig. 2.9-4

Fig. 2.9-5

Fig. 2.9-6

2.10 Replacing the Motor Pin

Tools required

Drift punch Adhesive

Spare parts required

Description of the procedure

Fig. 2.10-1

1. To remove the motor pin, first clamp the motor axle in a

vice.

The motor axle will otherwise be damaged when it is being tapped out! Fig. 2.10-1 / Fig. 2.10-2

2. Use soft jaws made of aluminium or copper in order not

to damage the shaft. The motor shaft must be clamped so that the motor pin points upwards and can be tapped out with a drift punch. Fig. 2.10-2 3. Using the hammer and drift, tap the pin out carefully. 4. Then, apply Loctite 270 adhesive to the new pin and tap

it in carefully and centre it precisely.

5. The pin may not jut out on either side more than 8.7

mm from the axle.

Fig. 2.10-2

2.11 Setting the Magnetic Switch on the Lid

Tools required

Open-jaw wrench 13 mm

Phillips screwdriver 2 mm

Spare parts required

Description of the procedure

1. Loosen the four screws Rs.

2. Remove the rear panel Rb.

Rs

3. Loosen the counter nut at the magnetic switch

on the lid Md.

4. While the machine is running, adjust the

switching point on the Md magnetic switch on

the lid by tightening or loosening the screws.

5. The switch must trip before the hand can reach

into the milling chamber. The opening width of

the hood may not exceed a maximum 80 mm.

6. The magnetic switch on the lid may not come

in contact with the opened lid!

7. Then, carefully tighten the counter nut again.

Plastic!

Check for correct functioning

1. Open the lid, the magnet must switch off the RM200 at a gap width not exceeding 80

mm. The F4 fault alarm appears.

2. Take out the pestle.

3. Close the cover.

4. Press STOP to cancel the F4 fault alarm.

5. If necessary, turn the Md magnetic switch upwards and check it again. (Steps 1-4)

6. Tighten the Rb cover again

7. Insert the pestle again

8. The RM 200 is now ready for operation again.

Inspections: general inspection in accordance with 1.3 Necessary General Inspections

2.12 Replacing the Control

Tools required

7- mm key

Phillips screwdriver Size 1

Spare parts required

03.748.0116

Description of the procedure

1. Disconnect the mains plug.

2. For the preliminary work, see Chapter 2.3Dismantling the

Housing

3. Loosen the four Sb screws in the bottom panel Fig. 2.12-1

4. Remove the three cables: K1 cable to the Hall sensor, K2

cable to the hood switch, K3 current supply to the motor

See also Diagram Fig. 2.12-8/ Fig. 2.12-8

5. Remove the D power switch and remove the cables to the

K4 mains input.

6. Disconnect the plug to the St keypad membrane

Sb

Fig. 2.12-6

Loosen the three screws on the Ss control board

7. Fig. 2.12-7

8. Then, set the control to the correct mains voltage.

9. Press the – + START buttons at the same time and turn

on the machine at the D power switch.

10. Press the START button again.

11. Press the – or + buttons to choose the right program for

the voltage or frequency.

See Fig. 2.12-2 and Table

12. Then save the setting by pressing the Stop button

Fig. 2.12-2

Fig. 2.12-7

Ss

Ss D

St K2

Ss

Fig. 2.12-8

Item Designation Article number

A1 Device plug 05.230.0008 A2 ON/OFF switch 05.703.0168

A3 Operating capacitor 05.379.001 /..04/..05 A4 Hall sensor 05.569.0020

A5 Motor 05.441.0283/..284/..286/..287/..288/..374/..387 A6 Control board 03.748.0116 A7 Switch on lid 05.703.0249

A8 Keyboard membrane

03.799.0039

Geh?useunterteil = lower section of the housing

K1

K2

K3

K4

D

St

2.13 Replacing and Setting the Scraper

Tools required

Supplied Torx screwdriver T20

Spare parts required

Description of the procedure

Fig. 2.13-1

1. Open the hood and fold it backwards and down.

2. Use the enclosed screwdriver to loosen and take out

mounting screw Y.

3. Swing out the fastening clip

4. Remove and replace the scraper.

5. Hook in the fastening clip Z again and insert screw Y

loosely. The scraper can be moved forwards or backwards in its slot. Before tightening the screw, push the scraper backwards. 6. Close the hood and check visually or with the material to

be milled if the scraper is in proper contact with the mortar. See also: “Checking the Scraper Setting ”.

7. If the scraper doesn’t completely touch the bottom of the

mortar and the inside wall of the mortar (dotted line in

Fig. 2.13-2), reset it.

8. To do this, loosen mounting screw Y again and move the

scraper. Tighten the screw again and check if the scraper is now in contact.

Fig. 2.13-2

Y

Z

X

2.14 Adjusting the Scraper to the Mortar

Tools required

Supplied Torx screwdriver T20

Spare parts required

Description of the procedure When the machine is delivered or when a scraper is re-ordered, it may be necessary to regrind the scraper X . This

Fig. 2.14-1

Condition on Delivery ground

X

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