14
(2) Regular inspection
(carried out by the competent person)
Part
Inspection
method
Limit / criteria for
putting-out of
operation
Remedy
1. Fixative parts
Visual inspection
of all screws, nuts,
rivets etc.
Faulty or missing
parts;
Released parts
Replace by new
ones;
To retighten
released parts
2. All parts
Visual inspection
Outworn or
damaged parts;
Fouled and
ungreased parts
Replace by new
ones;
To take to parts,
clean up, grease
and again assemble
3. Label – marking of
load capacity on the
jack
Visual inspection
Load capacity is not
readable
To repair or replace
by new one
4. Brake
Jack up and lower
the load with
weight equal
approximately to
the load capacity
of the jack
When interrupting
jacking up the brake
must hold firmly the
load in each
position during
raising and lowering
If it will not be so,
ask for repair and
adjusting of the
brake
9 TROUBLE-SHOOTING
Situation
Cause of trouble
Remedy
1. Jack does not hold firmly
the load.
Brake slipping.
Brake adjusting or repair
according to the chapter
„Maintenance“.
2. Jack jacks up heavily or
does not raise the load.
(1) Jack is overloaded.
(2) Damaged geared
transmission.
(1) Lower the load weight
to the value of the safe
working load.
(2) Repair of the jack
3. Jack emits the special
noise.
Insufficiently greased
geared transmission.
Carry out the lubrication of
the geared transmissions
by grease.
4. Characteristic sound is
not heard when snapping
the pawls to dents of
ratchet.
Malfunction of pawls.
Rust, impurities, broken
spring.
Clean up, replace the
spring.
