Gearbox Assembly; Tools Required - Invacare Spectra Plus Technical Manual

Spectra Plus Tech Manual

GEARBOX ASSEMBLY

PARTS
1. Motor Gearbox Clamp Nut
2. Gearbox Gasket
3. Declutching Lever Lower
4. Declutching Lever Upper
5. Gearbox Lid Screw
6. Motor Gearbox Clamp Screw
7. Lid to Gearbox Screw
8. Clamp
9. Key

TOOLS REQUIRED

5mm Allen Key
Pin Hammer
Punch
3mn Allen Key
Pliers
Vice
Spanner
8mm Spanner
INSPECTION
STEP 1
Check Casing for cracks or damage or
leakages.
STEP 2
Check Gearbox for noises (gears and bearings).
STEP 3
Check the declutching lever and mechanism engages and disengages correctly.
STEP 4
Check that the output shaft of the gearbox is not damaged or bent. Remove the rear wheel and inspect the key
and keyway for wear and correct fitting.
DISMANTLING
STEP 1
Remove the rear wheel from the gearbox.
STEP 2
Unplug the motor from the main control box. Loosen and remove the six gearbox lid securing screws. The
lower half of the gearbox will now detach from the top half, whilst still attached to the side frame of the chair.
STEP 3
To dismantle the declutching lever upper and lower parts, remove the allen screw and knock out the fixing pin
using a pin hammer and punch, separate the two halves.
STEP 4
To detach the gearbox from the motor, degrease the gearbox, remove the four fixing screws with an 8mmm
spanner, taking care not to deface or damage any gear teeth. Separate the gearbox and motor assembly.
19/01/2004
Section
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