4
Symptom
Possible Causes
Solu
Ɵ
on
1. Release valve not
Ɵ
ghtly closed.
1. Tighten release valve knob.
2. Low oil level.
2. Check and add oil. Follow “Check and Re
Į
ll Oil”
instruc
Ɵ
ons on Pg.3.
3. Defec
Ɵ
ve or worn internal parts.
3. Discon
Ɵ
nue use and contact a local repair center.
4. Load exceeds maximum
allowance.
4. Use a higher capacity jack.
1. Release valve not
Ɵ
ghtly closed.
1. Tighten release valve knob.
2. Power unit malfunc
Ɵ
on.
2. Discon
Ɵ
nue use and contact a local repair center.
1. Air trapped in system.
1. Vent air out of system. Follow “Air Ven
Ɵ
ng Procedures”
on Pg.3.
2. Reservoir oil over
Į
lled.
2. Check and ensure proper oil level. Follow “Check and
Re
Į
ll Oil” instruc
Ɵ
on on Pg.3.
Check a nd ens ure proper oi l l evel .
Fol l ow “Check a nd Re
Į
l l Oi l ” i ns truc
Ɵ
ons on Pg.3.
Jack will not func
Ɵ
on properly a
Ō
er tried
solu
Ɵ
on.
Internal malfunc
Ɵ
on or structural
damage.
Stop usage and contact an authorized repair
center.
Jack will not li
Ō
the load.
Jack will not hold the load.
Jack will not descend to minimum height,
or will not remain in lowered posi
Ɵ
on.
Jack will not li
Ō
to max height.
Low oil level.
TROUBLESHOOTING
Alterations
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