Braun RA300 Mobility Aid User Manual


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Page 29
TROUBLESHOOTING
Activate Stow function until ramp is out
of the Deploy “Drift Out” range. Then
activate Deploy function.
Remove obstruction
Check and correct
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Descriptions for details.
Use Braun 32840-QT (Exxon
®
Univis HVI
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oil level with ramp fully deployed. See
Systems Descriptions for details.
Repair
Replace.
Contact Braun Product Support - replace
pump
Contact Braun Product Support - replace
pump
Lubricate pivot pins. See Maintenance
and Lubrication Schedule and Diagram
Correct/Replace/Lubricate. See Main-
tenance and Lubrication Schedule and
Diagram
Check and correct
Check for contamination or kinks - correct
or replace
Thin with Diesel fuel - 2 T. Change in
spring. See Systems Descriptions for full-
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Contact Braun Product Support - replace
pump
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Contact Braun Product Support - replace
pump
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2.21 Ramp was stopped within the
Deploy “Drift Out” range during Stow
function
2.31 Physical obstruction (20 lb or more)
on ramp
2.32 Mechanical binding
2.33 Deploy pressure relief valve setting
too low
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Fluid should be changed if there is
visible contamination. Inspect the
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level is low.
2.35 Leak in hydraulic system
2.36 Cylinder leak
2.37 Deploy pressure relief valve stuck
open due to contamination or other-
wise damaged
2.38 Pump internal shuttle valve stuck or
damaged
2.41 Lack of lubrication (drive arm as-
sembly pivot pins and shaft)
2.42 Misalignment or damage to:
• Drive arm and/or pivot pins
• Linkage arms and/or pivot pins
• Drive arm and cam gear shaft
• Cylinder rack gear and/or cam gear
2.43 Mechanical binding
2.44 Restriction in hydraulic lines
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climate
2.51 See 2.38 and 2.40
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damaged
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2.61 See 2.35 and 2.36
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damaged
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continued continued
2.20
Locked in
Intermediate
Position
(No Response to
Deploy Switch/No
Drift Out)
2.00
DEPLOY
(Out)
2.50 Drifts
Excessively
Slow
(or No Drift)
2.60
Drifts
Excessively
Fast
2.40
Faulty or
Sluggish
Operation
2.30
Pump Runs
But
Doesn’t
Deploy
FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY
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