Assembly, Replacement And Adjustment Instructions; Replacing Puma 20 Motors - Sunrise Medical Puma 20 Service Manual

Puma 20/40
DX2
- +
• Make sure that the batteries are always well charged.
• Do not use the wheelchair if the batteries are almost fl at. This may damage the batteries and you run the risk of an unintended
standstill.
• The use of 'wet' batteries is not permitted. If the batteries have to be replaced, use only dry batteries.

5.2 Assembly, replacement and adjustment instructions

This chapter covers illustrated assembly, replacement and adjustment instructions.
Every separate visual instruction is prefaced with:
• Preparation instructions
• Relevant article numbers
• Tools used
• Info (suggestions and advice to help you carry out tasks or procedures more easily)
• Notices (extra notes covering information you need when executing the specifi c task)
In the visual instructions illustrate the tools needed for the specifi c task.
5.2.1

Replacing Puma 20 motors

All types of motors on Puma 20 wheelchairs are gradually replaced with motors which have a higher rpm and therefore require
a lower voltage. This has a positive effect on maintaining the wheelchairs maximum driving speed which tends to diminish as
battery levels fall. Puma 20 motors delivered as spare part also have the new specifi cations. When replacing Puma 20 motors,
please note the following:
• New and old motors on the same wheelchair are not compatible. Replace both motors if the motor that needs replacement has
one of the following article numbers (the article number can be found on the ID plate): 9004277, 9004278, 9004279, 9004280,
9004281, 9004282, 9004283, 9004284
• Re-program the controller with the latest drive settings, after replacement. Drive-programs can be obtained through Sunrise
Medical HCM Customer Service +31 (0)492 593 888
Following Voltage and Speed settings must be set:
• DX2 Maximum motor Volts (V) = 22
• Shark Maximum motor Volts (V) = 22
• RNET Output Voltage (V) = 22
• VR2 Output Voltage (dV) = 220
• In case of problems and/or questions contact Sunrise Medical HCM Customer Service / Technical Support
1 x 100A FUSE
Speed demand scalar = 95
Maximum forward speed (%) = 95
Maximum forward speed (%) = 95 (in last drive profi le)
Maximum forward speed (%) = 95
VR-2
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