BRIGHT Coop BD3 7570 Manual Del Operador página 54

PROBLEM:
Mast drifts down slowly
on its own.
Mast lowers too slowly,
partially or not at all.
Notice! See WARNING
at the beginning of the
Troubleshooting Guide.
Carriage drifts up when load is
removed, then stops.
Cylinders leak oil.
Mast does not fully extend.
Excessive side movement
in rails.
Excessive side movement
in Carriage.
Carriage or rails hang-up or
bind during operation.
Notice! See WARNING
at the beginning of the
Troubleshooting Guide.
54
Bright Forklift
BD3–7570
PROBLEM CAUSE:
1. Damaged or
defective seals.
1. Damaged lift cylinder(s).
2. Rollers defective or
shimmed too tight.
1. Air in cylinder(s).
1. Faulty seals or "O" rings.
1. Hydraulic oil tank low.
1. Rollers need adjustment
or repair.
1. Rollers need adjustment
or repair.
1. Rollers need adjustment
or repair.
Mast Troubleshooting Guide
CORRECTIVE ACTIONS:
1. Replace the seals.
Failure caused by oil
contamination requires
the system be flushed,
filters be replaced and
fresh oil installed.
1. Inspect, repair or replace.
2. Re-shim or repair
as needed.
1. Bleed the Cylinder(s).
1. Replace seals or
"O" rings.
1. Fill tank to proper level.
1. Shim or replaced rollers as
required.
1. Adjust the side play.
1. Shim or replaced rollers as
required.
2. Adjust the carriage
side play.