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6.
Maintain the tool's labels and name plates. These carry
important information. If unreadable or missing, contact
Princess Auto Ltd. for replacements.
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 (#P30) by turning it counterclockwise.
2.
Remove the air vent screw (#P14) and fill the pump with
hydraulic fluid.
3.
Wait 5 minutes for trapped air to rise to the surface.
Visit www.princessauto.com for more information
40-TON HYDRAULIC SHOP PRESS
8836363
13
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