Mettler Toledo BTA221-555E Manuel Utilisateur page 9

08/10 Order number 72244520
Mechanical Troubleshooting
TROUBLE CAUSE
The forks do not Not enough
lift to maximum hydraulic oil.
height.
The forks do not Not enough
raise. hydraulic oil.
The control lever
is out of
adjustment.
Air is in the
hydraulic oil.
The oil has
impurities.
The forks do not The control lever
descend. is out of
adjustment.
A part has been
broken or been
deformed resulting
from unbalanced
load.
The forks descend The control lever
without being is out of
lowered. adjustment.
Air is in the oil.
Impurities in the
oil cause the
discharge valve
to close.
Seals are worn
out or damaged.
Leaks Seals are worn
out or damaged.
Some parts may
be cracked or
worn out.
ACTION
Add more oil.
Add more oil.
Adjust the
control lever.
Expel the air.
Change the
oil.
Adjust the
control lever.
Repair or
replace the
component.
Adjust the
control lever.
Expel the air.
Exchange the
oil.
Exchange the
seals.
Exchange the
seals.
Exchange the
defect parts
User Manual BTA221
METTLER TOLEDO
9