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AIR HYDRAULIC PUMP

Read and carefully follow these instructions.  Most problems with new equipment are caused by improper operation
or installation.

SAFETY PRECAUTIONS

WARNING

To help prevent personal injury, all warning statements must be observed.

Hydraulic Hoses

Before  operating  the  pump,  all  hose  connections  must  be  tightened  using  the  proper  tools.    Do  NOT
overtighten.    Connections  need  only  be  secure  and  leak-free.    Overtightening  may  cause  premature
thread failure or may cause high pressure fittings to split at pressures lower than their rated capacities.

If  a  hydraulic  hose  ever  ruptures,  bursts,  or  needs  to  be  disconnected,  immediately  shut  off  the  pump.
Never attempt to grasp a leaking hose under pressure with your hands.  The force of escaping hydraulic
fluid could cause serious injury.

Do not subject the hose to potential hazard such as fire, extreme heat or cold, sharp surfaces, or heavy
impact.  Do not allow the hose to kink, twist, curl or bend so tightly that the oil flow within the hose is
blocked or reduced.  Periodically inspect the hose for wear because any of these conditions can damage
the hose and possibly result in personal injury.

Do  not  use  the  hose  to  move  attached  equipment.    Stress  may  damage  the  hose  and  possibly  cause
personal injury.

Hose material and coupler seals must be compatible with the hydraulic fluid used.  Hoses also must not
come  in  contact  with  corrosive  materials,  such  as  creosote-Impregnated  objects,  and  some  paints.
Consult the manufacturer before painting a hose.  NEVER paint the couplers.  Hose deterioration due to
corrosive materials may result in personal injury.

Pump

Do not exceed the PSI hydraulic pressure rating noted on the pump nameplate or tamper with the internal
high pressure relief valve.  Creating pressure beyond rated capacities may result in personal injury.

Before replenishing the oil level, retract the system to prevent overfilling the pump reservoir.  an overfill
may cause personal injury dur to excess reservoir pressure created when the cylinders are retracted.

Cylinder

Do  NOT exceed  the  rated  capacities  of  the  cylinders  because  excess  pressure  may  result  in  personal
injury.

Do  NOT  set  poorly-balanced  or  off-center  loads  on  a  cylinder  because  the  load  may  tip  and  cause
personal injury.

Air Motor

Disconnect the air supply when the pump is not is use or when breaking any connection in the hydraulic
system.

It is recommended that a shut-off valve or quick disconnect be installed in the air line to the pump unit.
Close the shut-off valve before connecting the air line to the pump.

Form No.   102561

PA46 Series

Sheet No.

1 of 4

Rev. 3   Date: 25 May 2012

Operating
Instructions  for:

Litho in USA

Summary of Contents for PA46 Series

Page 1: ...nd possibly cause personal injury Hose material and coupler seals must be compatible with the hydraulic fluid used Hoses also must not come in contact with corrosive materials such as creosote Impregn...

Page 2: ...rt a clean funnel Fill the reservoir with hydraulic oil to within 1 2 of the top of the filler hole Replace the filler cap with the breather hole open NOTE The pump has been shipped without oil in the...

Page 3: ...with a suitable flushing oil Rinse the filter clean 4 Place the pump and motor assembly back onto the reservoir and secure it with two machine screws assembled on opposite corners of the housing 5 Co...

Page 4: ...on the pressure regulating valve Turn the adjusting screw a few turns counterclockwise CCW to decrease the pressure setting to a lower than desired pressure Note For easy adjustment of the pressure re...

Page 5: ...ow pressure unloading valve out of adjustment 9 Reservoir capacity is too small for the size of the cylinder s used 10 Defective directional valve 11 Sheared drive shaft key s 12 Motor rotating in wro...

Page 6: ...lty pressure gauge 2 Check for external leakage 3 Check the external pressure regulator Check the relief valve setting 4 Look for internal leakage in double acting cylinders 5 Check for leaks in the f...

Page 7: ...valve 3 Inadequate air pressure 1 Check the cylinders for broken return springs and check couplers to insure that they are completely coupled Occasionally couplers have to be replaced because one che...

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