Braun RA300 service manual Stow

Page 32

TROUBLESHOOTING

FUNCTION

SYMPTOM

POSSIBLE CAUSE

REMEDY

 

 

 

 

3.00

STOW

(In)

 

3.11 See 1.00

$GMXVWRUUHSODFH6HH0LFURVZLWFKHVLQ

3.10

'ULIW,Q0LFURVZLWFKRXWRIDGMXVW-

No

 

ment or damaged

Systems Descriptions for details

Operation

3.13

Drift In Microswitch harness discon-

Connect, repair or replace

 

nected, damaged or otherwise

 

 

 

 

 

 

damaged

 

 

 

 

 

3.20

 

 

 

Locked in

 

 

 

Intermediate

3.21

Ramp was stopped within the Stow

Activate Deploy function until ramp is

Position

 

“Drift In” range during Deploy func-

out of the Stow “Drift In” range. Then

(No Response to

 

tion ("Y" models only)

activate Stow function.

Stow Switch/No

 

 

 

Drift In)

 

 

 

 

 

 

 

3.40

3.41

See 2.31, 2.32, 2.34, 2.35 and 2.36

$GMXVWUHOLHIYDOYHVHWWLQJ6HH6\VWHPV

Pump Runs

3.42

Stow pressure relief valve setting

 

too low

Descriptions for details.

But

 

3.43

Stow pressure relief valve stuck

Contact Braun Product Support - re-

Doesn’t

 

open due to contamination or other-

place pump

Stow

 

 

wise damaged

 

 

 

 

 

3.50

4.51 See 2.40

 

Faulty or

 

Sluggish

 

 

 

Operation

 

 

 

 

 

 

 

3.60

 

 

 

Drifts

4.61 See 2.40 and 2.50

 

Excessively

 

 

 

Slow

 

 

 

(or No Drift)

 

 

 

 

 

 

 

 

4.71

See 2.35, 2.36 and 2.62

 

3.70

 

 

 

Drifts

 

 

 

Excessively

 

 

 

Fast

 

 

 

 

 

 

 

Page 30

Image 32
Contents Braun Congratulations Contents Ramp Terminology Ramp Terminology IllustrationRamp Components Terminology Illustration Leftin OutrightIntroduction Ramp Components Ramp Actions and FunctionsRamp Operation Safety Symbols Safety FIRST! Know ThatRamp Operation Safety Precautions Ramp Operation Ramp Access Doors and Interlocks Pre-Operation Notes and DetailsOperation Procedure Review Preventive MaintenanceKeep clear of area in which ramp operates All ramp safety precautions Ramp Passenger SafetyRamp Manual Operation Ramp also. Read and become familiar withBodily injury and/or property damage Ramp Installation Installation / Service Safety PrecautionsChassis Requirements Installation/Service Safety PrecautionsInstallation Requirements Floor Pocket Clear Opening Dimensions Outboard Support Tube RecomÝ Structure Minimum 1-1/2 x 2 steel tub- ing or equivalentClear Door Opening Width Dimension Figure EInstalled Ramp Stowed Installed Ramp DeployedFigure J Electrical ConnectionsElectrical Connections Electrical Connections IllustrationLubrication Diagram LO Light OilDE Door-Ease LG Light GreaseMaintenance and Lubrication Introduction CyclesYear 1250 Cycles Year Ramp deployed fully. Fill to withinSystems Descriptions ElectricalFigure L Deploy and Stow Pressure Relief Valves Relief Valve Adjustment ProcedureHydraulics Drift OUT Speed Cam Drift in Speed CamTroubleshooting Troubleshooting Diagnosis ChartFaulty or Stow Blank for Layout Electrical Schematic BF3248Y & BF3748Y Power Connections / Control Signals Provided by InstallerWiring Diagram BF3248Y & BF3748Y Electrical Schematic BF3248YP Description SymbolWiring Diagram BF3248YP Relay #2 Wire CodeHydraulic Schematic BF3248Y & BF3748Y HydraulicsHydraulic Diagram and Parts List BF3248Y and BF3748Y Qty Description BF3248Y BF3748YHydraulic Schematic BF3248YP Hydraulic Diagram and Parts List BF3248YP Qty Description BF3248YPRepair Parts Item Qty Description BF3248Y BF3748Y BF3248YPExploded View Specification and Dimensions Daily Preventive Maintenance Sched Pre-Trip InspectionProviding Access to the World Braun Commercial RA300 Transit Ramp