IMS Planetary gearbox installation manual - Drive Lines Technologies

Director: CLARK Robert Durrant 

Registered Office: Northwood House, 138 Bromham Road, Bedford, MK40 2QW. Registered in England No 2569331 

VAT Registration No GB-426 6623 46 

Drive Lines Technologies Ltd 

45 Murdock Road 

BEDFORD 

MK41 7PQ 

Tel 01234 360689 – Fax 01234 345673 

sales@drivelines.co.uk – www.drivelines.co.uk 

Power Transmission Solutions 

IMS Planetary Gearboxes 

Contents 

1 General 

2 Identification 

3 Basic Rules 

4 Fitting Instructions 

5 Torque Settings 

6 Lubrication 

1 General 

1 IMS Planetary Gearboxes are precision engineered, please read this document to ensure correct fitting. 

2 All Gearboxes are ready greased, quality controlled and tested. 

3 IMS Gear GmbH is ISO 9001 approved. 

4 In case of fault or failure, please do not try to repair the gearbox yourself. 

2 Identification 

Please check particular type of gearbox from our delivery documentation or from the identification label. 

3 Basic Rules 

Concentricity 

• Careful controls of pinion bore and flange concentricity and parallelism are vital. 

• Maximum bore to tooth run-out = 0.03 mm. 

• Maximum flange flatness and angularity = 0.03 mm. 

• Spigot concentricity = 0.03 mm. 

Pinion 

• The Gearbox is supplied with the standard pinion bore unless otherwise specified at the time of ordering. 

• Pinions can be bored out to suit, but concentricity controls must be maintained. 

Motor shaft 

• The motor shaft should be of the shortest possible length to avoid pinion run-out and minimize length of 

assembly. 

4 Fitting Instructions 

Gearbox Sizes 22 and 32 

When mounting the pinion, apply press loads through the motor shaft and not through the motor casing and 

bearings. 

1 Fix pinion to motor shaft. Please observe mounting dimensions – see separate assembly instructions. 

A press fit is usually sufficient for location. Use Loctite or a similar compound. 

Page 1 of 2 

Publication No 01-002 Rev 02/May 07






BEDFORD 

MK41 7PQ 

Tel 01234 360689 – Fax 01234 345673 



2 To assemble gearbox to motor face or flange, mark position of gearbox input cover relative to gearbox. Remove 

casing screws (3 for size 22, 4 for size 32). Remove input cover. Use screw holes provided to fix cover to motor 

face or flange. Assemble gearbox and replace casing screws. 

Gearbox Sizes 42, 52, 72, 62, 81, 105 and 120 

When mounting the pinion, apply press loads through the motor shaft and not through the motor casing and 

bearings. 

1 Fix pinion to motor shaft. Please observe mounting dimensions – see separate assembly instructions. 

Secure pinion with spring pin or key. If you use a spring pin, fix it by drilling through the shaft and pinion using 

the guide hole provided. Insert spring pin. For shaft diameters of less than 6 mm, we recommend that Loctite 

or a similar compound be used. 

2 Assemble gearbox to flange using the long body screws. 

Note 

Size 62 has two designs 

Through hole version 

Assemble gearbox to flange using the long body screws. 

Tapped hole version 

Assemble gearbox to flange using the tapped holes. 

5 Torque Settings of Gearbox to Motor Screws 

Values shown are for unplated socket head cap screws grade 12.9. Screws must be assembled with lock 

washers. 

Size 

Screw 

Size x Pitch 

Screw Manufacturer 

Nm max 

Gearbox to Motor 

Screw Setting Nm 

P, PM, PK 22 M2 x 0.4 0.6 0.3 

P, PM, PK 32 M3 x 0.5 2.1 1.0 

P, PM, PK 42 M4 x 0.7 4.6 3.0 

P, PM, PK 52 M4 x 0.7 4.6 3.0 

P, PM 62 M4 x 0.7 4.6 3.0 

PM 72 M6 x 1.0 16 9.0 

P 81 M5 x 0.8 9.5 5.0 

PM 81 M6 x 1.0 16 9.0 

PM 105 M10x 1.5 77.0 12.0 

P, PM 120 M10 x 1.5 77.0 12.0 

6 Lubrication 

IMS Planetary Gearboxes are greased for life with Isoflex Topas NB 52 unless otherwise specified. 

Page 2 of 2 

Range of operating temperature for all-metal gearbox versions: -30 o C to +140 o C. 

Range of operating temperature for thermo-plastic gearbox versions: -15 o C to +65 o C. 







BEDFORD 

MK41 7PQ 

Tel 01234 360689 – Fax 01234 345673 



Assembly Dimensions 

PK 22 

Gearbox length k 1-stage 2-stage 3-stage 4-stage 

mm 26.6 +/- 0.5 34.8 +/- 0.5 43.0 +/- 0.5 51.2 +/- 0.5 

Page 1 of 1 







BEDFORD 

MK41 7PQ 

Tel 01234 360689 – Fax 01234 345673 




PM 22 

Gearbox length k 1-stage 2-stage 3-stage 4-stage 

Mm 19.7 +/- 0.3 26.4 +/- 0.3 33.1 +/- 0.3 39.8 +/- 0.3 

Page 1 of 1 







BEDFORD 

MK41 7PQ 

Tel 01234 360689 – Fax 01234 345673 




FLANGE PM32 PK32 PM42 PK42 PM52 PK52 PM62 PM72 PM81 PM105 PM120 

P32LN 

PM42LN 

PM52LN 

PM62LN PM72LN PM81LN PM105LN 

a 32 32 42 42 52 52 62 72 81 105 120 

b 14 H8 14 H8 20 H7 20 H7 30 H7 30 H8 40 H7 40 H7 40 H7 50 H7 60 H7 

c 28.1 -0.15 28.1 -0.15 33.3 33.3 42.5 42.5 51 59 69.5 86 100 

d M2 M2 M4 M4 M4 M4 M5 M6 M6 M10 M10 

e 11 11 10.4 10 10.4 10 15.4 20 18.5 20 20 

f 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.5 0.3 0.5 0.5 

g 6.1 -0.4 6.1 -0.4 8 +0.3 8 +0.3 8 +0.3 8 +0.3 10.4 -0.3 12.1 -0.3 13.5 

+0.15 -0.25 

18.3 -0.3 19.4 

+0.2 -0.3 

h - - 39 -0.02 - 49 -0.02 - 59 -0.025 69 -0.025 78 -0.025 100 -0.025 115 k7 

i - - 2.5 - 3 - 3 3.5 3.5 3.5 3.3 

k 22.1 22.1 -0.02 24.2 -0.2 24.7 -0.03 32.8 -0.2 33.34 39 -0.2 42.5 -0.2 51.8 -0.2 63.8 -0.2 76 +/- 0.1 

-0.02 * 

-0.03 

l 1.8 +0.1 1.8 +0.1 2 +0.1 2.5 +0.1 2 +0.1 2.5 +0.1 2 +0.1 2 +0.1 2 +0.1 2 +0.1 6.1 +/-0.05 

PINION PM32 PK32 PM42 PK42 PM52 PK52 PM62 PM72 PM81 PM105 PM120 

P32LN 

PM42LN 

PM52LN 

PM62LN PM72LN PM81LN PM105LN 

m 10 10 11-12 11 15 15 18-20 20 24 30 35.6 

n 16 16 27.5 27.5 34 34 38 41.4 48.5 60 70 

o 3 3 7 7 10 10 12 14 18 21 26 

p 6 6 11 11 16 16 18 19 21 26 28 

q - - 2 2 3 3 3 3 3 5 5 

* k in PM32LN is 21.1 -0.02 

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IMS Planetary gearbox installation manual - Drive Lines Technologies

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