Braun RA300 service manual Drift OUT Speed Cam, Drift in Speed Cam

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SYSTEMS DESCRIPTIONS

Drift IN and OUT Cam Adjustment Procedures ("Y" Ramp Models Only)

RA300 ramp models featuring gravity down deploy DQGVWRZGULIWDUHHTXLSSHGZLWKDGMXVWPHQWFDPV %)<DQG%)< $GMXVWGULIWVSHHGDV detailed below (not applicable for "YP" models).

Drift OUT Speed (Cam 1):

Drift out cam controls the speed that the ramp moves when the ramp is almost fully deployed and the motor shuts off.

1.Loosen the set screw in the drift out cam.

2.Rotate clockwise to slow down the deployment and counter-clockwise to speed up the deploy- ment of the ramp.

Figure Q

1

2

3.Tighten set screw.

4.Test deployment speed.

Drift IN Speed (Cam 2):

Drift in cam controls the speed that the ramp moves when the ramp is almost fully stowed and the motor shuts off.

1.Loosen the set screw in the drift in cam.

2.Rotate counter-clockwise to slow down the stow- ing and clockwise to speed up the stowing of the ramp.

3.Tighten set screw.

4.Test stow speed.

Figure R

1

2

Figure S

Clockwise

2

Counter-Clockwise

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Contents Braun Congratulations Contents Ramp Terminology Illustration Ramp TerminologyLeftin Outright Ramp Components Terminology IllustrationIntroduction Ramp Actions and Functions Ramp ComponentsRamp Operation Safety Symbols Safety FIRST! Know ThatRamp Operation Safety Precautions Ramp Operation Pre-Operation Notes and Details Ramp Access Doors and InterlocksPreventive Maintenance Operation Procedure ReviewKeep clear of area in which ramp operates Ramp Passenger Safety All ramp safety precautionsRamp Manual Operation Ramp also. Read and become familiar withBodily injury and/or property damage Installation / Service Safety Precautions Ramp InstallationChassis Requirements Installation/Service Safety PrecautionsInstallation Requirements Outboard Support Tube Recom Floor Pocket Clear Opening DimensionsÝ Structure Minimum 1-1/2 x 2 steel tub- ing or equivalentFigure E Clear Door Opening Width DimensionInstalled Ramp Deployed Installed Ramp StowedElectrical Connections Figure JElectrical Connections Illustration Electrical ConnectionsLO Light Oil Lubrication DiagramDE Door-Ease LG Light GreaseCycles Maintenance and Lubrication IntroductionYear 1250 Cycles Ramp deployed fully. Fill to within YearElectrical Systems DescriptionsFigure L Deploy and Stow Pressure Relief Valves Relief Valve Adjustment ProcedureHydraulics Drift in Speed Cam Drift OUT Speed CamTroubleshooting Diagnosis Chart TroubleshootingFaulty or Stow Blank for Layout Power Connections / Control Signals Provided by Installer Electrical Schematic BF3248Y & BF3748YWiring Diagram BF3248Y & BF3748Y Description Symbol Electrical Schematic BF3248YPRelay #2 Wire Code Wiring Diagram BF3248YPHydraulics Hydraulic Schematic BF3248Y & BF3748YQty Description BF3248Y BF3748Y Hydraulic Diagram and Parts List BF3248Y and BF3748YHydraulic Schematic BF3248YP Qty Description BF3248YP Hydraulic Diagram and Parts List BF3248YPItem Qty Description BF3248Y BF3748Y BF3248YP Repair PartsExploded View Specification and Dimensions Pre-Trip Inspection Daily Preventive Maintenance SchedProviding Access to the World Braun Commercial RA300 Transit Ramp