Landoll Bendi B40i4, Maintenance Manual

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3-2 F-581-R1
TROUBLESHOOTING AND CORRECTIVE MAINTENANCE
Mast does not tilt.
Inoperative tilt directional control
valve.
Insufficient pump or relief valve
pressure.
Hydraulic cylinders leaking or
binding.
• Repair or replace.
• See “Tilt Cylinders”
page 3-20.
See section “Insufficient pump or
relief valve pressure,” beginning on
page 3-4.
• Tilt cylinder is leaking or binding -
rebuild or replace.
• Seal kits are available for most
cylinders - see Mast Parts List(s)
F-387 or F-389 for replacement
items.
• See “Tilt Cylinders,” on
page 3-20.
Truck turns too slowly. See “Steering drifts/wanders or is
erratic,” on page 3-6.
Mast drifts downward.
Excessive load - attempting to lift
loads beyond the capacity of the
truck.
Lift hydraulic cylinders leaking or
binding.
Air in cylinder.
Faulty lift control valve.
• See “Mast does not lift load,” on
page 3-4.
• Determine which cylinder is
leaking or binding - rebuild or
replace.
• See “Mast does not lift load,” on
page 3-4.
• Seal kits are available for most
cylinders - see Mast Parts List
F-387 or F-389.
• Run mast to full extent three times
to remove all air.
• Oil may be bypassing between the
spool and body or the spool is not
centering properly or is broken -
repair or replace directional control
valve.
Carriage does not shift or side
shifts too slowly.
Inoperative shift cylinder.
Insufficient pump or relief valve
pressure.
Worn sideshift bearings.
Kinked or leaking supply hoses.
• Repair or replace.
• See section “Insufficient pump or
relief valve pressure,” beginning on
page 3-4.
• Replace sideshift bearings.
• Locate kink and straighten.
• Repair or replace defective hose.
• Tighten fittings to seal any leaks
.
Problem Cause Suggested Repair