Manual Drive ST4D 2G (page 27 of 72) (English, German, Dutch, French, Italian)

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Instructions for use ST4D 2G / ST4D 2G PLUS

Drive Medical GmbH & Co. KG | As per: 04.05.2020 | Errors and alterations excepted

Inspection and maintenance

Inspections

Your electric scooter was developed such that it requires

only minimal maintenance. However, like all motorized

vehicles, it requires regular maintenance work. In order

for you to enjoy your electric scooter for many years, we

recommend observing the following maintenance points

according to the plan:

Weekly inspection

Check the following points every week or prior to driving.

If you notice an abnormality, contact your Drive Medical

dealer for advice or to schedule an inspection.

Steering column

Ensure that this is not loose and that it can be easily con-

trolled.

Speed controller

Ensure that this can be smoothly adjusted.

Control levers

Ensure that the electric scooter drives when the lever is

pressed and stops when the lever is released.

Motor

Check for unusual noises and that the electromagnetic

brake is operating correctly.

Neutral lever

Ensure that it is working properly.

Seat

Ensure that it can be easily rotated and snaps into place.

Tires

Check the tread depth and take note of signs of damage,

such as checking tire pressure (2.5-3.5 bar).

Monthly inspection

Perform a visual inspection of the cable harness of the

control system. Ensure that this is not frayed or cut and

that no wires are exposed.

Keep the control system clean and protect it from rain or

water. Keep the hubs free of lint, hairs, sand, and carpet

ﬁbers.

Perform a visual inspection of the tire tread. If this demon-

strates damage or wear, have the tires changed by your

dealer on site.

Check the seat and backrest occasionally for sagging,

cuts, and tears. Replace if needed.

All moving mechanisms are maintained through simple

lubrication and inspection.

Apply grease or a light oil. Do not use too much oil, since

small drops can lead to staining and damage carpets,

clothing, etc. Always generally check whether all nuts

and screws are tightened.

Semiannual inspection

Check the carbon brushes (motor brushes). We recom-

mend that your dealer check all brushes every six months

or less if your electric scooter does not operate smoothly.

If the inspection reveals excessive wear of the carbon

brushes (motor brushes), these must be replaced since

otherwise the motor will be damaged.

The carbon brushes (motor brushes) should be checked

for wear and the color of the mesh inside the spring. If

the mesh is dark brown, red, silver, purple or golden, the

carbon brush (motor brush) must be replaced.

Inspection or replacement of the motor brushes

Loosen the caps of the carbon brushes (motor brushes)

(by using a screwdriver on the caps).

Remove the carbon brushes (motor brushes).

Check the carbon brushes (motor brushes) for wear (ex-

change if less than 6 mm).

Replace the carbon brushes (motor brushes) if needed.

Check the condition of the battery connections every

six months. Ensure that they are not corroded and that

the connections are secure. Regularly apply a thin ﬁlm of

Vaseline to the connection surfaces to protect them from

corrosion.

Annual inspections

To ensure that your electric scooter is properly main-

tained, have it inspected regularly by your Drive Medical

dealer. We recommend having the electric scooter main-

tained at least once annually. This service is not free of

charge.

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Drive ST4D 2G Manual

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