Braun RA300 service manual Faulty or

Page 31

TROUBLESHOOTING

FUNCTION

SYMPTOM

POSSIBLE CAUSE

REMEDY

 

 

 

 

continued

2.00

DEPLOY

(Out)

continued

2.20

 

 

 

Locked in

2.21

Ramp was stopped within the

Activate Stow function until ramp is out

Intermediate

 

Deploy “Drift Out” range during Stow

of the Deploy “Drift Out” range. Then

Position

 

function

activate Deploy function.

(No Response to

 

 

 

Deploy Switch/No

 

 

 

Drift Out)

 

 

 

 

 

 

 

 

2.31

Physical obstruction (20 lb or more)

Remove obstruction

 

 

on ramp

 

 

2.32

Mechanical binding

Check and correct

 

2.33

Deploy pressure relief valve setting

$GMXVWUHOLHIYDOYHVHWWLQJ6HH6\VWHPV

 

 

too low

Descriptions for details.

2.30

/RZK\GUDXOLFÁXLGVXSSO\Note:

Use Braun 32840-QT (Exxon® Univis HVI

 

Fluid should be changed if there is

 K\GUDXOLFÁXLG do not mix with Dex-

Pump Runs

 

visible contamination. Inspect the

WURQ,,,RURWKHUK\GUDXOLFÁXLGV &KHFN

But

 

K\GUDXOLFV\VWHPIRUOHDNVLIÁXLG

oil level with ramp fully deployed. See

Doesn’t

 

level is low.

Systems Descriptions for details.

Deploy

2.35

Leak in hydraulic system

Repair

2.36

Cylinder leak

Replace.

 

 

2.37

Deploy pressure relief valve stuck

Contact Braun Product Support - replace

 

 

open due to contamination or other-

pump

 

 

wise damaged

 

 

2.38

Pump internal shuttle valve stuck or

Contact Braun Product Support - replace

 

 

damaged

pump

 

 

 

 

 

2.41

Lack of lubrication (drive arm as-

Lubricate pivot pins. See Maintenance

 

 

sembly pivot pins and shaft)

and Lubrication Schedule and Diagram

 

2.42

Misalignment or damage to:

Correct/Replace/Lubricate. See Main-

 

 

• Drive arm and/or pivot pins

tenance and Lubrication Schedule and

2.40

 

• Linkage arms and/or pivot pins

Diagram

 

• Drive arm and cam gear shaft

 

Faulty or

 

 

 

• Cylinder rack gear and/or cam gear

 

Sluggish

 

 

2.43

Mechanical binding

Check and correct

Operation

2.44

Restriction in hydraulic lines

Check for contamination or kinks - correct

 

 

+\GUDXOLFÁXLGWRRWKLFNGXHWRFROG

or replace

 

Thin with Diesel fuel - 2 T. Change in

 

 

climate

spring. See Systems Descriptions for full-

 

 

 

WLPHFROGFOLPDWHVSHFLÀFDWLRQV

 

 

 

 

2.50 Drifts

2.51 See 2.38 and 2.40

 

Excessively

 

3XPSLQWHUQDORULÀFHSOXJJHGRU

Contact Braun Product Support - replace

Slow

 

damaged

pump

(or No Drift)

 

 'ULIWRXWFDPQHHGVDGMXVWPHQW

6HHGULIWFDPDGMXVWPHQWSURFHGXUH

2.602.61 See 2.35 and 2.36

Drifts

3XPSLQWHUQDORULÀFHHQODUJHGRU

Contact Braun Product Support - replace

Excessively

damaged

pump

Fast

 'ULIWRXUFDPQHHGVDGMXVWPHQW

6HHGULIWFDPDGMXVWPHQWSURFHGXUH

Page 29

Image 31
Contents Braun Congratulations Contents Ramp Terminology Illustration Ramp TerminologyLeftin Outright Ramp Components Terminology IllustrationIntroduction Ramp Actions and Functions Ramp ComponentsRamp Operation Safety Precautions Safety Symbols Safety FIRST! Know ThatRamp Operation Ramp Operation Pre-Operation Notes and Details Ramp Access Doors and InterlocksPreventive Maintenance Operation Procedure ReviewKeep clear of area in which ramp operates Ramp also. Read and become familiar with All ramp safety precautionsRamp Passenger Safety Ramp Manual OperationBodily injury and/or property damage Installation / Service Safety Precautions Ramp InstallationInstallation Requirements Installation/Service Safety PrecautionsChassis Requirements Structure Minimum 1-1/2 x 2 steel tub- ing or equivalent Floor Pocket Clear Opening DimensionsOutboard Support Tube Recom ÝFigure E Clear Door Opening Width DimensionInstalled Ramp Deployed Installed Ramp StowedElectrical Connections Figure JElectrical Connections Illustration Electrical ConnectionsLG Light Grease Lubrication DiagramLO Light Oil DE Door-EaseCycles Maintenance and Lubrication IntroductionYear 1250 Cycles Ramp deployed fully. Fill to within YearElectrical Systems DescriptionsFigure L Hydraulics Relief Valve Adjustment ProcedureDeploy and Stow Pressure Relief Valves 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