Braun FF3248Y-24V, Operator'S Installation And Instruction Manual

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Page 25
2.10
No
Operation
TROUBLESHOOTING
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
See Microswitches in Systems Descrip-
tions for details
Connect, repair or replace
Contact Braun Product Support - replace
pump
Activate Stow function until ramp is out
of the Deploy “Drift Out” range. Then
activate Deploy function.
Remove obstruction
Check and correct
Adjust relief valve setting.
Use Braun 32840-QT (Exxon ® Univis HVI
26) hydraulic fl uid ( do not mix with Dex-
tron III or other hydraulic fl uids). Check
oil level with ramp fully deployed .
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
Contact Braun Product Support - replace
pump
Adjust Drift Cam
Contact Braun Product Support - replace
pump
Adjust Drift Cam
2.11 See 1.00
2.12 Drift Out Microswitch out of adjust-
ment or damaged
2.13 Drift Out Microswitch harness dis-
connected, damaged or otherwise
damaged
2.14 Pump motor brushes worn
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
2.34 Low hydraulic fl uid supply. Note:
Fluid should be changed if there is
visible contamination. Inspect the
hydraulic system for leaks if
fl uid
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
2.51 See 2.38 and 2.40
2.52 Pump internal ori
fi ce plugged or
damaged
2.53 Drift Out Cam needs adjustment
2.61 See 2.35, 2.36 and 2.53
2.62 Pump internal ori
fi ce enlarged or
damaged
2.64 Drift Out cam needs adjustment