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www.graessner.de 

 
gmb / BA PowerGear_EN 

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Regarding all technical queries please contact our product management or our service department: 
 

Nidec Graessner GmbH & Co. KG 

THE GEAR COMPANY 
Kuchenaecker 11 
D-72135 Dettenhausen 

Service Department 

Product Management 

Tel.:  +49 (0)7157 123-0 
Fax:  +49 (0)7157 123 220 
Fax:  +49 (0)7157 123 212 

 

[email protected]

 

www.graessner.de

 

 
 

     

 

These operating instructions must be read carefully before use. 
Store in a safe place for future reference. 

 

     

 

If these operating instructions are not complied with, damage to the gear unit,  
operating faults, material damage and personal injury may occur. 
Nidec Graessner GmbH & Co. KG does not accept any liability for any resulting 
damages or faults. 

 
 
 

2. Intended use of Nidec Graessner Gear Units 

 
 

PowerGear

 gearboxes are components for installation in machines and are intended exclusively for the  

reversal, distribution, and multiplication of torque in the speed range up to 3500 min

-1

They comply with the Machinery Directive (EN 292) and EMC directives, insofar as they are applicable. 
 

PowerGear 

gear units may only be used for the applications specified in the catalogue and in the associated 

technical specifications.

 

 
Any other use and/or any use exceeding those cases described in the catalogue and/or associated technical 
specifications is deemed not compliant with the intended use. The manufacturer does not accept any liability 
whatsoever for any damage resulting therefrom. This risk shall be solely borne by users. 
 

PowerGear

 gear units can be used in a wide range of different applications; therefore, the responsibility for the 

specific application is transferred to the user at the time of use.

 

 

 

3. Conversions and alterations / Modifications of the product 

 

PowerGear

 gearboxes may not be modified in terms of design or safety without our approval.  

Any unauthorized modification within the meaning of this provision excludes any liability on our part. 
 
 

4. Set-up of gear unit / Technical data 

 

4.1  Set-up of gear unit 

PowerGear

 are angular gears with case-hardened spiral bevel gear pairs, toothed according to the Gleason 

system, for installation in machines and systems. 
 
The gearbox housings are machined on all sides with threaded holes for mounting on all sides via 3 uniformly 
toleranced centring fits. Shafts are supported by tapered roller bearings in a cantilevered support (input) and 
fork mounting (output), shaft seals with dust lip, flange seals by laminar sealing discs.  
 
Mathematically exact ratios from 1.00:1 to 5.00:1. Gearboxes in solid or hollow shaft design, for clutch  
transmission or direct mounting of the motor. 
 

PowerGear

 gearboxes are components for installation in machines and are intended exclusively for the  

transmission, distribution, and multiplication of torque in the speed range up to 3500 min

-1

They comply with the Machinery Directive (EN 292) and EMC directives, insofar as they are applicable. 
 

Summary of Contents for PowerGear P110

Page 1: ...ner de gmb BA PowerGear_EN Page 1 of 20 Spiral Bevel Gear P Po ow we er rG Ge ea ar r Installation and operating instructions PowerGear P54 to P450 X54 to X280 S75 to S170 Issue 2018 01 Ident No BA 21...

Page 2: ...4 5 Type plate 5 5 6 7 8 8 5 Safety notes 5 1 Basic duties 5 2 Qualified personnel 5 3 Environmental protection 9 9 9 9 6 Transport storage and long term storage 6 1 Transport 6 2 Storage conditions...

Page 3: ...16 11 Inspection and maintenance 11 1 General notes 11 2 Service intervals 11 3 Oil service life 11 4 Oil change 11 5 Checking the gear unit condition 17 17 17 17 17 18 12 Replacement parts replacemen...

Page 4: ...ns We reserve the right to make technical modifications to components while maintaining the performance and safety of the gear units 1 2 Significance of the warning notes The warnings are mentioned in...

Page 5: ...nded use The manufacturer does not accept any liability whatsoever for any damage resulting therefrom This risk shall be solely borne by users PowerGear gear units can be used in a wide range of diffe...

Page 6: ...ft end in k6 The bearings are designed with tapered roller bearings The drive pinions are shrunk into the driven pinion gears on the shaft In case of the reinforced X version the drive shafts are desi...

Page 7: ...5 15 45 78 150 360 585 1300 2150 3200 3550 7000 I 2 1 12 42 68 150 330 544 1220 2010 3050 3500 7000 I 3 1 12 33 54 120 270 450 1020 1650 2850 3350 7000 I 4 1 28 52 100 224 376 860 1410 2300 2900 6600...

Page 8: ...ynthetic gear oil ISO VG 150 up to size P140 with filling Average oil quantity in l 0 05 0 10 0 20 0 30 0 40 1 00 2 20 2 60 3 00 PowerGear HS S75 S90 S110 S140 S170 Running noise at 1500 min 1 Partial...

Page 9: ...dance with regulations or recycled When changing the oil the used oil must be caught in suitable vessels Any pooled oil spills must be removed immediately by means of a binding agent Any pooled oil sp...

Page 10: ...tional and regional regulations for safety accident prevention and environmental protection must be complied with 6 2 Storage conditions PowerGear gear units must only be stored in a closed condition...

Page 11: ...spection glass Oil level centre Oil check screw The oil level affects the thread in the housing bore Oil quantities dependent on ratio speed shaft arrangement and installation position Build size P54...

Page 12: ...inst the cross pin mounted in the counterbore By turning the screw further the coupling bore is elastically widened so that the coupling can easily be pushed onto the shaft Proceed in the same way for...

Page 13: ...ust ensure The gear unit must be protected against any falling objects and dumping Welding work must not be carried out on any part of the drive The gear unit must not be used as a ground point for el...

Page 14: ...shaft seals are wetted with oil then increase speed to approx 500 min 1 After approx 30 minutes gradually increase speeds until the operational speed is reached running in time at idle approx 90 minu...

Page 15: ...unit noises vibrations Oil leakage on the housing and the shaft seal rings Oil level to check the oil level the gearbox must be stopped Check oil levels only with the gear unit in a cooled down condi...

Page 16: ...nit is oily on the out side Insufficient sealing of the bearing flanges and gear unit covers Seal bearing flanges and gear unit covers Oil leak at the ventilation filter Oil foams Oil level in the gea...

Page 17: ...nt Therefore it must be ensured that these maintenance intervals are observed Measures Service intervals Remarks Check running noise for any changes daily Check gear unit for leakage daily Check oil l...

Page 18: ...only be carried out by qualified operating personnel or by the service department of Nidec Graessner It must be possible to reliably assess what needs to be replaced on the gear unit or to determine...

Page 19: ...uses remedy 10 16 Finishing work 7 6 13 Fitted components Notes 7 5 12 Fitting of motors 7 4 12 Gear unit installation in plant 7 2 11 General fault indications 10 1 16 General installation instructio...

Page 20: ...ntervals 11 2 17 Set up of gear unit 4 1 5 Set up of gear unit Technical data 4 5 Storage conditions 6 2 10 Table of contents 0 2 Technical data 4 4 8 Transport 6 1 10 Transport storage and long term...

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