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en | 12 | ATJ-1000H
9. Troubleshooting
This section is a list of potential problems and solutions.
If the solution listed fails to correct the problem, call the
manufacturer at the numbers and address printed on the
back cover of this manual. Please have the model
number, and serial number of your jack available. The
serial number is permanently stamped on the left front
caster bracket.
Problem
Out of prime: See "Priming Instructions "
•
on decal fastened to the jack and also
found in the "Operating Instructions "
section of this manual
Hydraulic stage fails
Low oil level, see the "REPLENISH OIL
to lift load
•
SUPPLY" section of manual.
• Release
clockwise until tight.
Air stage fails to lift
• Inadequate air pressure; requires 90 –
160 psi required
load
• Release
Hydraulic stage fails
clockwise until tight.
to hold load
• Air leak. Remove jack from service and
repair leak. Possible dirty air valve seals.
Air stage fails to hold
Follow simple directions on cleaning the
load
air valve located in the "Maintenance
Instructions" section of this manual
• Attach air hose and depress up foot pedal
Locking pawl cannot
to pressurize air cylinder. The air stage
be released with light
will extend completely and now the down
foot pedal will pull the locking pawl back
foot pressure on the
so the air stage will lower. Do not attemp t
down foot pedal
to pry the pawl loose.
Cause/Solution
open,
turn
control
knob
open,
turn
control
knob
Troubleshooting
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