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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 ram oil level.
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.
Always store your press with the hydraulic ram in the fully
retracted position. This will help protect critical areas from
corrosion. 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 breather oil plug and the Oil filler nut. Fill the
pump with hydraulic fluid until it is full.
3.
Wait 5 minutes for trapped air to rise to the surface.
4. Pump the handle for several full strokes to eliminate any air
in the system.
4.1 Connect the air supply to the foot pedal. Work the
pump several times to eliminate any air in the system.
Visit www.princessauto.com for more information
50 Ton Pneumatic/Hydraulic Shop Press
8836371
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