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6.1.5  Change of Coupling - toothed rim 

Also refer to the attached, separate operating instruction B 1.950).

1.  Switch off metering pump.

Safeguard drive element against unintentional operation (disconnect power 

supply, also refer to section 1.4 “Safety” in operating instruction B 0.100.1 for 

this).

2. 

Remove 4 hexagon head screws at the motor flange and lift-off motor.

3.  Remove toothed rim and replace by a new toothed rim.

4. 

Mount motor again and tighten using the 4 hexagon head screws.

6.2 Repairs

6.2.1  Standard tools:

allen keys: 

size 4/5 mm, 

open ended spanner:  size 10/ 13/ 19 mm,

plastic hammer, screw drivers (different sizes), circlip pliers (inside and outside), soft metal drifts,

claw pulling device, pulling device with sliding hammer (insert for M8).

6.2.2  Required documents

Additional documents required: sectional drawing “Metering pump type LCA” and relevant parts list.

6.2.3   Wear parts

Please check whether the parts marked "V" in parts list are available.

For machines having an operating time of > 5 years we recommend to have the parts designated ”E” 

available also. 

For safety reasons, parts designated “E” or “V” in the parts list should be re-used as an exception and 

after thorough inspection only. 

6.3  Dismantling / Assembly

Refer to sectional drawing / parts list of drive element.

6.3.1  Preparation Dismantling/ Assembly

Reserve suitable clean area for depositing the individual parts.

Safeguard drive element against unintentional operation (disconnect power supply, 

also refer to section “1.4 Safety” in operating instruction B 0 100.1 for this).

Take drive element to a dry, enclosed, but well ventilated and essentially dust-free room for 

dismantling / assembly if possible.

• 

Clean all parts to be used again thoroughly, however, if possible, do so only just before 

re-assembly.  

Use a cold cleaner to remove lubricant residues.

Observe any safety and disposal instructions!

• 

Check

 all parts for perfect condition before installation.

• 

Slip agents, lubricants

 

a) Radial seal rings and O-rings must be thinly coated with the lubricating agent specified for 

operation before assembly.

 

b) Screws and threaded shafts must be coated with the lubricating agent specified for operation 

before assembly.

7

Drive element LEWA - ecosmart® type LCA manual stroke adjust., motor vertically  B 1.660 en

Summary of Contents for ecosmart LCA

Page 1: ...nce and repairs 6 1 Maintenance 6 1 1 Inspection intervals lubricant 6 1 2 Inspection of coupling clearance 6 1 3 Grooved ball bearing 16 and grooved ball bearing from adjusting unit 7 6 1 4 Change of...

Page 2: ...vertically The LEWA works number can be found in the technical data sheet and on the nameplate fixed to the drive element casing 1 3 Performance and applicabilities See technical data sheet Plunger r...

Page 3: ...n steps of 0 05 mm The stroke frequency results from the motor speed and the reduction ratio of the integrated worm gear 3 2 Construction and method of operation The drive element mainly consists of t...

Page 4: ...7 3 The drive element temperature is influenced by several factors e g stroke frequency load ambient temperature The value given is a typical value at full load and ambient temperatures up to 30 C For...

Page 5: ...2 Remove screwed plug of the hydraulic snifting valve 529 see fig 2 3 The lubricant level indicated must be within the range of the cross bore visible from above see figure 2 4 If required top up lub...

Page 6: ...otor flange and remove motor Dismantling of the grooved ball bearing 16 must be carried out as per section 6 3 1 Assembly of grooved ball bearing 16 is carried out as per section 6 3 2 Grooved ball be...

Page 7: ...designated E available also For safety reasons parts designated E or V in the parts list should be re used as an exception and after thorough inspection only 6 3 Dismantling Assembly Refer to section...

Page 8: ...dismantling turn the adjusting unit 7 from the threaded bushing 65 clockwise 8 Remove connecting rod 10 plunger 502 and cylindrical pin 32 from drive element housing 1 9 Remove the circlip 13 and take...

Page 9: ...the torque stated in the parts list when tightening screws 33 5 When connecting the drive motor again observe the direction of rotation of the motor shaft The direction of rotation is marked by an arr...

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