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- 1 Remove Bevel gear and key from assembly … 1 Remove Bevel gear and key from assembly 2 Identify original shims fitted to gearbox 3 Fit shims to shaft 4 Refit bevel gear and parts to spindle 5 Refit assemble to main gearbox body and recheck backlash (step 4 ) 6 Repeat 1-5 and Add additional shims if backlash is still to muchitional shims if backlash is still to much +
- Always use Loctite 243 on all fasteners fitted unless stated different All bearings should be an acceptable fit, with Loctite 641 and FE10 solvent used if required All fasteners should be marked once finalised +
- Backlash can only be reduced, not increase … Backlash can only be reduced, not increased. If no backlash is present when assembled with no shims, inform supervisor for correct route of action To adjust backlash, shims can be used behind the bevel gear to move it closer to second bevel gear As a general rule of thumb, the shims removed on stripdown of refurbished unit will be correct for rebuild. Work on this assumption but check when fitted that backlash setting is acceptablefitted that backlash setting is acceptable +
- Check backlash present by the following st … Check backlash present by the following steps 1 Insert 4mm key into fastener shown and use to stop rotation of vertical shaft 2 Rock spindle clockwise and anti clockwise to gauge backlash present Ideal backlash is 1mm movement in rotation of spindle (2)is 1mm movement in rotation of spindle (2) +
- Double check rotation is smooth and backlash is still correct after final fixings Motor fitted is a braked variant, so rotation will have resistance, But should be smooth and consistent when rotated as shown Report any discrepancies to supervisor +
- Ensure that keyway B0000041 passes through bevel gear D0007867. Fit key to shaft Fit Pinion gear to shaft Secure with M5x16 socket cap and D0007721 washer. Do not use adhesive at this point . Do not fit shims at this point +
- Final fit spindle housing to main gearbox body Use 4 off M6 x 30 socket caps with Loctite 243 Rotate spindle as shown to allow access to all fixing points Smooth any excess hylomar with a clean rag +
- Fit damper bridge D000000059, Spacers D0000062 and damper P0000165 as shown Use 2 off M8 60 socket caps with M8 motor plate washers to fix +
- Fit 2 off shafts H0007754 using 4 off M8x 20 kcp grubscrews with Loctite 243 +
- Fit H0007621 blade guard , secure using M5x10 socket caps and M5 A Form washer +
- Fit front flange D0007728, Washer D0004031 with NEW M16x 1.5 x 25 set bolt +
- Indicated faces should be degreased with FE10 solvent Apply Hylomar as shown Add remainder of M0000603 grease as shown <br/> +
- Once backlash has been set, spindle assembly must be finalised Ensure all threads are degreased with FE10 solvent Usel Loctite 243 on M5x 16 socket cap Tension adequately , holding spindle as shown +
- Once mechanical build has been completed, unit should be passed to Electrical department for function testing +
- Position spindle assembly to main gearbox body as shown. Rotate spindle as shown to expose counterbored holes used for fixing Fit 2 off M6x 30 socket caps and tension . Do not apply adhesive at this point +
- Refit D0007838 hardstop +
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