Invacare
®
Electra
Service Manual
Page 4
As at:15.04.02
9.4.2
Components involved:
20
9.4.3
Reassembly information for "replacing anti-tipper wheels
20
9.5
Steering fork / front wheel
21
9.5.1
Components: 21
9.5.2
Components involved:
21
9.5.3
Preparation forreassembly
21
9.5.4
Reassembly sequence for "replacing steering head bearings / steering fork
22
9.5.5
Reassembly information for "replacing steering head bearings"
22
9.5.6
Reassembly sequence for "replacing the wheel bearing"
22
9.6
Drive unit
23
9.6.1
Components: 23
9.6.2
Components involved:
23
9.6.3
Preparation forreassembly
24
9.6.4
Reassembly sequence for "replacing carbon brushes"
24
9.6.5
Reassembly sequence for "replacing the drive unit"
24
9.7
Drive wheels
25
9.7.1
Components: 25
9.7.2
Components involved:
25
9.7.3
Reassembly information for "replacing drive wheels"
25
10
SERVICE AND REPAIR - ELECTRICS AND ELECTRONICS
26
10.1
Batteries / main fuse / controller
26
10.1.1
Components: 26
10.1.2
Components involved:
26
10.1.3
Preparations forreassembly
27
10.1.4
Reassembly information for "removing the battery pack"
27
10.1.5
Reassembly information for "replacing the main fuse"
27
10.1.6
Reassembly sequence for "replacing the battery"
27
10.1.7
Reassembly information for "replacing the controller"
27
10.2
Operating unit
28
10.2.1
Components: 28
10.2.2
Preparations forreassembly
29
10.2.3
Reassembly sequence for "replacing steering column wiring harness
29
10.2.4
Reassembly information for "replacing the drive regulator potentiometer"
30
11
TEST SEQUENCES - ELECTRICS / ELECTRONICS
31
11.1
Checking the battery voltage
31
11.1.1
Hints for Testing:
31
11.1.2
Checking total voltage of the batteries in non-operative state and under load
31
11.1.3
Testing the individual voltage of the batteries
31
11.1.3 32
11.2
Check drive motor
32
11.2.1
Motor coil continuity
32
11.2.2
Magnet brake
33
11.2.3
Freewheel switch
33
11.2.4
Carbon brushes
33
11.3
Checking power supply to operating unit
34
11.4
Checking power supply to operating unit
34
12
APPENDIX 35
