Inspection; Disassembly; Assembly - Invacare Spectra Blitz Service Instructions Manual

SERVICE MANUAL
Requirements:
· 5mm hex wrench
· Mallet
· Pressure Gauge
· Pump
· Vice
· Valve Remover
· Flat Bladed screwdriver
· Torque Wrench
16.1

Inspection

· Check wheel is not buckled or physically damaged. Replace if required.
· Check tyres for wear and correct inflation, both wheels should allow the same degree of wear
(see side of tyre for pressure rating).
16.2

Disassembly

Caution:
· Take care while supporting the wheelchair in order to remove the wheel.
· The batteries should be removed before continuing with this procedure.
· Jack up one of the gearboxes to lift one wheel off the floor.
· Remove the four Wheel Bolts (6) securing the Wheel to the Wheel Hub (8) using a 5mm hex
wrench. Remove the Wheel.
· Deflate the inner tube (2), locate, loosen and remove Socket Head Cap Screws (4) securing the
two halves of the Wheel Rims (3) together using a 5mm hex wrench.
Caution:
· Ensure the tyre is fully deflated before attempting to separate to the two halves of the Wheel
Rims.
· Remove the tyre (1) and tube (2).
· To remove the Wheel Hub from the Axle Shaft locate loosen and remove the Motor shaft Bolt
(7) and washer (5) that secures the Wheel Hub (8) to the Axle Shaft using a 5mm hex wrench.
· Gently tap the end of the Axle Shaft with a mallet and pull the hub (8) off the gear box shaft
(take care not to lose the key (9) located in the gearbox shaft).
16.3

Assembly

· Re-fit the Wheel Hub (8) to the gearbox shaft ensuring alignment of the keyway of the wheel
centre to the key (9) fitted to gearbox shaft. Gently tap the wheel centre with a mallet until the
threads can be seen inside the shaft.
· Fit the motor shaft bolt (7) using a 5mm Hex Torque Wrench, ensuring that the washer (5) has
been fitted, to the gearbox shaft.
· Locate tyre (1) and tube (2) to the face of the inside Rim (3) that has the hole for the valve to sit
in, slightly inflate the tube.
30
®
Invacare - Spectra Blitz