Braun RA300 service manual Year 1250 Cycles

Page 24

MAINTENANCE and LUBRICATION

			Cable at pulley and hinge areas	Clean and lubricate. Apply Light Oil - See
	continued		Cable at pulley and hinge areas	Clean and lubricate. Apply Light Oil - See
				Lubrication Diagram
			Drive arm slot	Apply Door-Ease. See Lubrication Diagram
			Inspect drive arm pivot points (mounting	Tighten, replace or correct as needed.
	8 Weeks		screws, nuts and bearings) for positive secure-
	8 Weeks		ment, wear or damage
	or 200		ment, wear or damage
	or 200
	Cycles		Inspect drive arm slots for excessive wear or	Correct as needed
			damage
			Clean ramp and ramp mounting area (ensure	Clean and remove debris or obstructions
			no debris in area to obstruct stowing/stacking)
			Cycle ramp and observe drift speed during	,IGULIWVWRRIDVWDGMXVWDSSOLFDEOH'ULIW0LFUR-
			deploy and stow functions	switch Cam so drift begins at reduced height.
			Inspect ramp for wear, damage or any abnor-	Correct as needed
			mal condition.

1 Year

or

1250

Cycles

Perform all procedures listed in previous section also

5HPRYHVXEÁRRUSDQFRYHUDQGFOHDQGLUW	Blow out with air compressor
and other foreign debris
5HPRYHVXEÁRRUSDQFRYHUDQGOXEULFDWH	Clean and lubricate. Apply Door-Ease
drive arm gear and cylinder gear rack
5HPRYHVXEÁRRUSDQFRYHUDQGLQVSHFW
• Pump mounting bolts for securement (loose	5HVHFXUHDGMXVWPLFURVZLWFKHVUHSODFHGDP-
or missing)	aged parts or otherwise correct as needed.

•Drive arm and gear rack weldment teeth

IRUIRUHLJQREMHFWVZHDURUGDPDJHEHQW deformed, misaligned), positive securement and proper operation

•Gear rack weldment pin securement E-clip (loose or missing)

+\GUDXOLFF\OLQGHUKRVHVÀWWLQJVDQGFRQ- nections for wear, damage or leaks

•Harness cables, wires, terminals and con- nections for securement or damage

•Relays for securement or damage

•Microswitches and cams for securement and

DGMXVWPHQW

•Microswitch wires and terminals for secure- ment or damage

Page 22

Image 24

Contents Braun Congratulations Contents Ramp Terminology Ramp Terminology IllustrationRamp Components Terminology Illustration Leftin OutrightIntroduction Ramp Components Ramp Actions and FunctionsSafety Symbols Safety FIRST! Know That Ramp Operation Safety PrecautionsRamp Operation 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 PrecautionsInstallation/Service Safety Precautions Installation RequirementsChassis 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 Relief Valve Adjustment Procedure HydraulicsDeploy and Stow Pressure Relief Valves 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