Invacare G40 - Power-Assisted Steering Unit

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Disassembly of power-assisted steering unit, compl.
• Remove seat padding, so that light-servo module is accessible.
• Release connector to power-assisted steering unit.
• Prop up wheelchair so far, that the power-assisted steering unit is accessible.
• Release screwings and free up thread rods (4) from steering rod (5).
• Release four hexagon head screws (7) and remove power-assisted steering servo (1) with connector
cable downwards out of wheelchair.
• Release screwings and take off thread rods (4) from steering bracket (3).
• Release nuts and screw off square hinges from thread rods.
• Remove hexagon head screw (M5x20) with disc and take off steering bracket (3) from power-assisted
steering unit.
Assembly
• Assembly is carried out in reverse order.
9.2 Power-assisted steering unit
NOTE:
• The power.assisted steerin unit is maintenance-free.
• Only basical checks can be done.
• The unit can only be completely replaced.
• Repairwork at power-assisted steering unit must be
done by INVACARE-service.
1
3
4
4
5
5
2
1 Power-asswisted steering unit, compl.
2 Servo motor
3 Steering bracket
4 Thread rods M8x188 RL with square hinges,
nuts and split pins
5 Steering rod
6 Disengaging lever
7 Hexagon head screws M5x15
6
• Steeering servo
does not react?
• Steering bracket or
gear rocker arms
damaged?
> Replace power-
assisted steering
unit.
> Replace defec-
tive parts.
Check Action
Power-assisted steering unit
View from below
7
7
NOTE:
• During assembly take care, that the thread rods with square hinges are
adjusted in right length.
• Before assembly the balls and ball pans of square hinges must be cleaned
and greased again.
• The square hinges must show upwards during assembly.
• The correct position of securing pins must be checked.
• The square hinges must be countered with the appertaining nuts.
NOTE:
• Before disassembling mark /note the adjustment of square hin
ges on the thread rods.