Rotax 912 / 914 Gearbox Service, Servicing & Repair!


AeroFix Aviation offer a mobile maintenance service with a fully equipped mobile workshop AND a fully equipped static workshop (by prior arrangement).

All our fixed-price scheduled servicing work is completed along with a detailed Workshop Report Sheet of the work carried out if requested.


Contents ...


Rotax 912 / 914 Gearbox Service Intervals ...

Gearbox WITH Slipper Clutch - What's included? ...

Gearbox WITHOUT Slipper Clutch - What's included? ...


Rotax 912 / 914 Gearbox Service Intervals ...


Engine Type Gearbox Type Fuel Type Service Interval
912UL (80hp) No slipper clutch Unleaded Mogas
Avgas
600hrs
600hrs
912UL/A/F (80hp) With slipper clutch Unleaded Mogas
Avgas
t.b.o.
600hrs
912ULS (100hp) No slipper clutch Unleaded Mogas
Avgas
600hrs
600hrs
912ULS/S (100hp) With slipper clutch Unleaded Mogas
Avgas
1000hrs
600hrs & 1000hrs
914UL (115hp) No slipper clutch Unleaded Mogas
Avgas
600hrs
600hrs
914UL/F (115hp) With slipper clutch Unleaded Mogas
Avgas
t.b.o.
600hrs

Gearbox Service WITH Slipper Clutch - What's included?

(See table below for pricing)

Gearbox Inspection / Work items 600
Hours
1,000
Hours
Remove Propeller Y Y
Dismantle gearbox Y Y
Inspect slipper clutch Y Y
If using AVGAS strip & clean slipper clutch Y Y
If using AVGAS reset slipping torque Y Y
Overall Inspection of propeller gearbox Y Y
Measure bearing bush diameter N Y
Remove and visually inspect propeller shaft N Y
Replace gearbox housing ball bearing (6207E TNH) N Y
Check prop shaft axial run out N Y
Visual inspection of dog gear Y Y
Visual inspection of dog hub Y Y
Check ramp clearance N Y
Inspect gear teeth Y Y
Inspect mechanical fuel pump ecenter Y Y
Inspect step collar Y Y
Inspect and measure thickness of thrust washer N Y
Inspect steel bushing N Y
Inspect disc springs Y Y
Measure disc springs N Y
Re-assemble gearbox Y Y
Adjust pre-load on disc springs / adjust shims Y Y
Replace half-rings Y Y
Check crankshaft run out at PTO end N Y
Measure gearset backlash N Y
Check torque on M30 nut N Y
Verify the friction torque is within range Y Y

Pricing for 600 hour Gearbox Service
WITH Slipper Clutch:
Labour (only) £96.00
Ring-Halfs (price is for a set of 2) (recommended) add £50.48
Fuel pump gasket / isolating flange (optional) add £26.71
0.2mm Shim (as required) add £1.48
0.5mm Shim (as required) add £1.48
1.0mm Shim (as required) add £1.71
Gearbox housing bearing 6207E TNH add £92.73
Gearbox housing bearing oil seal 40X55X7 FPM (if required) add £40.73

Pricing for 1,000 hour Gearbox Service
WITH Slipper Clutch:
Labour (only) £120.00
Ring-Halfs (price is for a set of 2) (recommended) add £50.48
Fuel pump gasket / isolating flange (optional) add £26.71
0.2mm Shim (as required) add £1.48
0.5mm Shim (as required) add £1.48
1.0mm Shim (as required) add £1.71
Gearbox housing bearing 6207E TNH add £92.73
Gearbox housing bearing oil seal 40X55X7 FPM (if required) add £40.73

Gearbox Service WITHOUT Slipper Clutch - What's included?

(See table below for pricing)


Gearbox Inspection / Work items Every 600 Hours
Remove Propeller Y
Dismantle gearbox Y
Overall Inspection of propeller gearbox Y
Measure bearing bush diameter Y
Remove and visually inspect propeller shaft Y
Replace gearbox housing ball bearing (6207E TNH) Y
Check prop shaft axial run out Y
Visual inspection of dog gear Y
Visual inspection of dog hub Y
Inspect gear teeth Y
Inspect mechanical fuel pump ecenter Y
Inspect step collar Y
Inspect and measure thickness of thrust washer Y
Inspect steel bushing Y
Inspect disc springs Y
Measure disc springs Y
Re-assemble gearbox Y
Adjust pre-load on disc springs / adjust shims Y
Replace half-rings Y
Check crankshaft run out at PTO end Y
Measure gearset backlash Y
Check torque on M30 nut Y

Pricing for 600 hour Gearbox Service
WITHOUT Slipper Clutch:
Labour (only) £100.00
Ring-Halfs (price is for a set of 2) (recommended) add £50.48
Fuel pump gasket / isolating flange (optional) add £26.71
0.2mm Shim (as required) add £1.48
0.5mm Shim (as required) add £1.48
1.0mm Shim (as required) add £1.71
Gearbox housing bearing 6207E TNH add £92.73
Gearbox housing bearing oil seal 40X55X7 FPM (if required) add £40.73

Our Hours:

The mobile is normally answered during the following times ...

Monday - Sunday: 8:30 am - 9:30pm

Please leave a message as we may be unable to answer. We will call you back!

AeroFix Aviation Ltd
Bolton
Lancashire
United Kingdom
BL3 4NN
Telephone: 07779 147 229
E-mail:
Enquiries@AeroFixAviation.co.uk