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5.
Maintain the device' s labels and name plates. These carry important
information. If unreadable or missing, contact Princess Auto Ltd. for
replacements.
WARNING! Only qualified service personnel should repair the device. An
improperly repaired device may present a hazard to the user and/or others.
HYDRAULIC RAM MAINTENANCE
Monthly maintenance is recommended for the hydraulic ram. Any restrictions
due to dirt, rust, etc. can cause the either slow movement or extremely rapid
jerks, damaging the internal components. The following steps are designed to
keep the pump maintained and operational.
1.
Lubricate the cylinder and the pumping mechanism with light oil.
2.
Visually inspect for cracked welds, bent, loose, missing parts or hydraulic
oil leaks.
3.
Inspect the hydraulic ram immediately if it was subjected to an abnormal
load or shock load.
4.
Remove any hydraulic pump from service that is damaged, worn down or
operates abnormally, until repaired by an authorized service technician.
5.
Check and maintain the ram oil level.
6.
Always store the hydraulic ram in the fully retracted position. This will
help protect critical areas from corrosion.
7.
Do not use brake or transmission fluids or regular motor oil as they can
damage the seals. Always purchase and use products labeled
Hydraulic Oil.
BLEEDING THE HYDRAULIC SYSTEM
Bleed excess air from the hydraulic system as follows:
1.
Open the release valve by turning it counterclockwise.
2.
Remove the oil filler screw and fill the pump with hydraulic fluid.
3.
Wait 5 minutes for trapped air to rise to the surface.
4.
Connect the hose to the air source and run it to eliminate any air in
the system.
5.
Check the oil filler hole and if necessary, top off with more hydraulic oil.
6.
Restore the oil filler screw. Close the release valve by turning clockwise.
Visit www.princessauto.com for more information
22 Ton Pneumatic Service Axle Jack
8760423
9
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