37
12.4 Speedometer
Klinkenstecker
Cable
Mounting
Contactplate
Locking
Clamp with screw
NOTE:
• The speedometer is maintenance-free. Only basical
checks can be done.
• The speedometer has an own battery.
• The pick-up for the speedometer is mounted down
at the front wheel next to brake disc.
• The connection cable for the pick-up is fixed with
cable binders at the BUS-cable of remote and at the
motor cable.
• Speedometer display off?
• Speedometer display can
not be adjusted
(Push-buttons top and
bottom)?
• Speedometer is in driving
operation without func-
tion?
> Replace battery.
> Replace speedometer.
> Replace speedometer.
> Replace pick-up.
> Replace connection cable.
Check Action
Check speedometer
• Prop up wheelchair in a manner that the right front wheel moves freely.
• Disengage motor (freewheel operation).
• Turn front wheel manually in driving direction and check speedometer.
Speed gauge (KMH) must count upwards from 0 to ca. 3 to 4 KMH.
• Release Klinkenstecker, dislock speedometer and take off from contact plate.
• Vheck continuity of the cable between Klinkenstecker and contact plate with a multimeter (Ohmmeter).
Check connection cable
• Screw off Klinkenbuchse that contacts are accessible.
• Remove front wheel that pick-up is accessible.
• Remove Schrupfschlauch at bottom of pick-up from connection cable that soldering places are accessible.
• Check continuity of cable between Klinkenbuchse and pick-up with a multimeter (Ohmmeter).
Disassembly
• Disbolt speedometer and take off from contact plate.
• Release cross slotted screwsat back of speedometer, take off covering and replace batteries (2x 1.5V; type
SR44).
• Release screw with clamp and cable binder from remote.
• Draw off rubber ring and take off contact plate with cable and Klinkensteckerfrom mounting.
• Release two cross slotted screws and remove mounting from remote.
• Remove cable binder, remove Schrupfschlauch, solder off cable from pick-up and remove cable.
• Geber abschrauben und entfernen.
Assembly
• Assembly is carried out in reverse order.
NOTE
• Renew Schrupfschlauch and cable binder.
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