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Greenlee / A Textron Company

7

4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070

1725 Hydraulic Foot Pump

Troubleshooting

Before performing any troubleshooting or repairs: (1) check the level of the hydraulic fluid, and add fluid if it is more
than 2-3/4" from the top, and (2) connect a pressure gauge to the pump to determine maximum relief pressure.

Problem

Probable Cause

Possible Remedy

Oil leak near release plunger (17). Worn or damaged O-ring.

Replace O-ring (16).

Oil leak near the plunger (7).

Worn or damaged O-ring or backup ring.

Replace O-ring (11) or backup ring (10).

Oil leak where the pump block

Worn or damaged O-ring.

Replace O-ring (28).

(25) meets the reservoir tube (33).

Oil leak at end cap (35).

Worn or damaged O-ring.

Replace end plug (34).

Lever feels “spongy.”

Air in hydraulic system.

See instructions under Purging Air
from the System.

Worn intake valve seat plug.

See Repairing an Intake Leak.

Pump will not build pressure.

Grit or other foreign matter in hydraulic

Disassemble pump. Clean all parts

system will not allow proper seating of

thoroughly with solvent. Reassemble

balls and plunger.

and fill with fresh hydraulic fluid.

Pump pressure does not relieve

Worn or damaged valve pin.

See Replacing the Valve Pin.

between 6000 and 6500 psi.

Valve not set correctly.

See Setting the Relief Pressure.

To fully retract the 746 ram

The pump has an intake leak.

See Repairing an Intake Leak.

requires more than 40 stokes.

Pump will build pressure, but

Worn or damaged ball (19), compression

Replace ball (19) and compression

pressure does not hold. (Check

spring (18)

spring (18).

this with a gauge capable of
measuring 10,000 psi. Pump the
pressure up to 6000 psi; the

Worn or scratched ball seat.

See Refinishing the Ball Seats.

pressure may immediately drop
by 500 psi, but should then hold.
If the pressure does not hold at
this point, go to the Probable
Causes).

Содержание GREENLEE 1725

Страница 1: ...MANUAL 1725 Hydraulic Foot Pump 999 8293 5 2005 Greenlee Textron Inc IM 994 REV 10 5 05 Read and understand all of the instructions and safety information in this manual before operating or servicing...

Страница 2: ...g a Ball Seat 9 Illustrations and Parts List 9 11 Description The 1725 Hydraulic Foot Pump develops 6500 psi 44 818 kPa and is intended to be used with the following Greenlee hydraulically powered too...

Страница 3: ...pressure before disconnecting hoses or couplers and before servicing the pump or accessory Read and understand all of the instructions and safety information in this manual before operating or servici...

Страница 4: ...uctions and safety informa tion supplied with the hydraulic ram or accessory Failure to observe this warning could result in severe injury or death Use this tool for the manufacturer s intended use on...

Страница 5: ...he system 1 Press down on the lever 1 and release Repeat until the operation is complete See Figure 1 2 Press down on the release lever 15 to release the hydraulic pressure See Figure 2 Figure 2 Figur...

Страница 6: ...mes and release Repeat this process several times See Figure 4 4 Set the pump on a horizontal surface and operate the pump as usual If the lever still feels spongy or operation is erratic repeat steps...

Страница 7: ...om the System Worn intake valve seat plug See Repairing an Intake Leak Pump will not build pressure Grit or other foreign matter in hydraulic Disassemble pump Clean all parts system will not allow pro...

Страница 8: ...ension 6 Turn the valve screw 32 clockwise to decrease the relief setting or counterclockwise to increase the relief setting 7 Repeat steps 4 7 until the relief setting is at the correct pressure 8 Ti...

Страница 9: ...ard angle into a drill press 4 Lock the pump block into the vise Be sure the block is level 5 Bring the bit down to the seat and set the depth stop 6 Back the bit off and turn the depth stop up 0 010...

Страница 10: ...5 Boeing Dr Rockford IL 61109 2988 USA 815 397 7070 1725 Hydraulic Foot Pump 1725 Hydraulic Foot Pump Exploded View 2 1 3 4 5 6 7 8 9 10 11 12 32 31 30 29 28 26 19 23 22 21 18 19 20 17 24 25 21 15 13...

Страница 11: ...17 503 1349 5 Plunger release 1 18 905 3355 0 Spring compression Lee LC 022BC 3 discharge check 1 19 905 0678 2 Ball 3 16 grade 25 chrome steel 3 20 905 1337 1 Screw 5 16 24 NF x 5 32 Holo Krome sock...

Страница 12: ...397 1865 Canada 800 435 0786 Fax 800 524 2853 International 1 815 397 7070 Fax 1 815 397 9247 4455 Boeing Drive Rockford IL 61109 2988 USA 815 397 7070 An ISO 9001 Company Greenlee Textron Inc is a su...

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