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13.9 Drive Coupling Removal and Replacement
If it is only necessary to remove part of the drive assembly the following procedure applies.
Support the rear of the powerchair on suitable stands and disconnect the motor wiring loom from
the main loom. Bend the tab washer (M158) away from the bolt head and using a 10mm spanner
remove the drive securing bolt (F95). This is made easier if the drive is engaged.
The drive components can now be withdrawn from the motor drive shaft and care should be taken
not to lose any parts.
Examine the components for damage or wear as indicated from the previous checks. If the wheel
bushes need replacing these can be removed by the use of a soft drift and hammer. Replacement
of wheel bushes requires the use of a press to prevent burring the edges of the bushes.
If it is necessary to replace the stub axle (D9L) the motor will require removal from the mounting
plate. Using a 7/16 AF spanner release the three retaining bolts and withdraw, being careful not
to lose the spacers. The motor can now be removed by sliding the drive shaft out of the stub axle.
Using spanners 34mm AF and 35mm AF remove the stub axle. Replace the stub axle (D9L),
apply thread locking compound and tighten to 35 lbs/ft (47Nm) torque. Refit the motor to the
mounting plate, insert spacers and tighten bolts to 10 lbs/ft (13.5Nm) torque.
Re-assemble the thrust washers, metal wavy (F65) first, plain nylon second. Fit the wheel and
small plain nylon washer. Fit the drive collar (M159), cup washer (M157), spring (M156) and drive
dog (M155). Use a new tab washer (M158) and bolt (F95). Apply threadloc compound (Grade 66)
to the bolt threads and tighten 10 lbs/ft (13.5Nm) torque. Finally bend the tabs up ensuring that
they are in contact with the bolt head.
IMPORTANT
Motor and gearbox maintenance is limited to
complete assembly replacement except
replacing motor brakes and brushes.
Содержание Jewel
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Страница 7: ...SECTION 3 Wheelchair Diagram 3 1 Jewel Self Propelling Powerchair ...
Страница 19: ...SECTION 10 Backrests 10 1 Diagram BACKREST ASSEMBLY LEFT G223 BACKREST ASSEMBLY RIGHT G224 ...
Страница 33: ...SECTION 15 Programmable Controller 15 1 Diagram ...
Страница 43: ...Technical Manual Amendment Record ISSUE SECTION DATE AMENDED COMMENTS ...