Seat System; Replacing Seat Suspension/Spring - Invacare orion metro Service Manual

Orion
3. Disengage motor A by setting the engaging lever to
"Push".
4. Loosen and remove all four plastic caps B.
Note the fixing position and location of the
carbon brushes.
Used carbon brushes need to the refitted exactly
in the same position from which they were taken
in order to guarantee optimum contact to the
collector.
5. Make a marking on the motor and the carbon brushes
in order to guarantee correct installation.
6. Remove carbon brushes completely from mounting C.
7. Check carbon brush and spring for level of wear, broken
components or discolouration.
Installing carbon brushes
1. Depending on condition of brush and spring: - either
install brushes in exactly the same position from which
they were taken or - fit new brushes.
2. Install plastic caps and tighten them firmly.
3. Install drive wheels..
The following procedure is necessary to run
carbon brushes in after replacement and thus
guarantee maximum performance.
CAUTION!
Risk of accidents
Injuries to workers, damage to surroundings
and mobility device.
– Do not leave mobility device unattended
during the following procedure.
– Secure area.
4. Lift mobility device up on one side and get a second
person to place a wooden block around 14 cm high
underneath it so that the drive wheel is suspended
freely.
5. Repeat on other side of mobility device.
6. Allow motors to run for an hour in forward direction.
7. Allow motors to cool down for 30 minutes.
8. Allow motors to run for an hour in reverse direction.
9. Lift mobility device off wooden blocks.

4.11 Seat system

4.11.1 Replacing seat suspension/spring

CAUTION!
Risk of accident
Accidental rolling can lead to accidents.
– Secure scooter against rolling away.
When disassembling, note position of small parts
such as screws and washers. Put small parts down so
that they can be reassembled in the right sequence.
The following seat support tubes are available for
the seat suspension:
• 508.5 mm
• 533.5 mm
• 558.5 mm
30
CAUTION!
Risk of tipping
OrionPRO 3–wheel could tip over when driving
uphill when incorrect seat support tube/seat
suspension is installed.
– Always install seat support tube with two holes
only.
– Always install seat support tube medium or
short when retrofitting.
• 17 mm wrench (2x)
1. Secure mobility device against rolling away.
2. Remove seat.
3.
Loosen securing bolt of seat support tube.
4.
Remove bolt (7), nut and washers.
5. Remove seat support tube (2) from receptacle tube (1).
6. Remove bellows (3) including spring (5) and plastic end
pieces (4 and 6).
7. Fit plastic end pieces (4 and 6) to new spring.
8. Grease spring generously. Spring should be covered
completely.
9. Assemble bellows (3).
10. Install bellows (3) including spring (5) and plastic end
pieces (4 and 6).
11. Insert seat support tube (2) into receptacle tube (1) and
press down gently.
12. Reposition bolt (7), nut and washers.
1608032-A