Troubleshooting - ATD Tools ATD-7435A Owner's Manual

MAINTENANCE CONTINUED:
Alterations
Attachments and Adapters
Storage
Symptom
Jack will not li the load.
Jack will not hold the load.
Jack will not descend to minimum height,
or will not remain in lowered posi on.
Jack will not li to max height.
Jack will not func on properly a er tried
solu on.
Inspection

TROUBLESHOOTING

Possible Causes
1. Release valve not ghtly closed.
2. Low oil level.
3. Defec ve or worn internal parts.
4. Load exceeds maximum
allowance.
1. Release valve not ghtly closed.
2. Power unit malfunc on.
1. Air trapped in system.
2. Reservoir oil over lled.
Low oil level.
Internal malfunc on or structural
damage.
4
Solu on
1. Tighten release valve knob.
2. Check and add oil. Follow "Check and Re ll Oil"
instruc ons on Pg.3.
3. Discon nue use and contact a local repair center.
4. Use a higher capacity jack.
1. Tighten release valve knob.
2. Discon nue use and contact a local repair center.
1. Vent air out of system. Follow "Air Ven ng Procedures"
on Pg.3.
2. Check and ensure proper oil level. Follow "Check and
Re ll Oil" instruc on on Pg.3.
Check a nd ens ure proper oi l l evel .
Fol l ow "Check a nd Re l l Oi l " i ns truc ons on Pg.3.
Stop usage and contact an authorized repair
center.