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Greenlee Textron / Subsidiary of Textron Inc.

3

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

1721-M4 Basic & 1722-M4 Basic Hydraulic Power Pumps

Electric Shock Hazard:

• Do not expose power tools to

rain.

• Do not immerse the pendant

switch in water or other liquid.

• Do not connect the pump to any system or

system component other than those supplied by
Greenlee and rated at less than 10,000 psi
(68,950 kPa).

• Do not alter the internal high-pressure relief valve

setting.

• Do not use this pump in a hazardous environ-

ment. Hazards include open flame and flammable
liquids or gases.

Failure to observe these warnings could result in
severe injury or death.

IMPORTANT SAFETY INSTRUCTIONS

Skin Injection Hazard:

High pressure oil easily punctures
skin, causing serious injury,
gangrene or death. If injured, seek
medical help immediately to remove
oil.

Do not use fingers or hands to
check for leaks.

Depressurize hydraulic system
before disconnecting the hose.

• Inspect pump, hoses, couplers and fittings for

wear or damage. Replace worn, damaged or
missing components with Greenlee replacement
parts.

• Do not twist, kink, curl, paint or cut the hydraulic

hoses.

• Wear eye protection when operating this

equipment.

• Disconnect the pump from the power supply,

rotate the release valve lever to AUTO RELEASE
position, and disconnect the hose from the ram
and the pump before performing any service.

Failure to observe these warnings could result in
severe injury or death.

• The pump is heavy, weighting up to 75 lbs.

Follow NIOSH work practices for manual lifting.
If in doubt, get help.

• Unplug pump when not in use and when

changing accessories.

• Do not use the hose to pull, lift, or carry the

equipment.

• Always work in an area providing good footing

and support.

• Keep work area well-lit, free of clutter, and dry.

Failure to observe these warnings could result in
injury or property damage.

SAFE THESE INSTRUCTIONS

Additional copies of this manual are available upon request at no charge.

Summary of Contents for 1722-M4

Page 1: ...7 97 1721 M4 1722 M4 BASIC HYDRAULIC POWER PUMP Shown with Optional Control Valve Patent No 3 389 660 Read and understand this material before operating or servicing this power pump Failure to understand how to safely operate this pump could result in an accident causing serious injury or death ...

Page 2: ...ut important safety precautions It means ATTENTION Become alert Your personal safety is involved Read the message that follows and be alert to the possibility of personal injury or death Hazards or unsafe practices which if not avoided COULD result in minor personal injury or property damage Hazards or unsafe practices which if not avoided COULD result in severe personal injury or death Immediate ...

Page 3: ...ck for leaks Depressurize hydraulic system before disconnecting the hose Inspect pump hoses couplers and fittings for wear or damage Replace worn damaged or missing components with Greenlee replacement parts Do not twist kink curl paint or cut the hydraulic hoses Wear eye protection when operating this equipment Disconnect the pump from the power supply rotate the release valve lever to AUTO RELEA...

Page 4: ...e This two mode operation is a time saving feature that allows fast ram approach and an automatic switchover when pressure exceeds 200 psi The pumping unit is a single piston radial type capable of developing 10 000 psi An integral unloading check valve unloads the high pressure stage of the pump and permits the motor to be restarted while maintaining the load These models have an externally mount...

Page 5: ...nit from top of reservoir 2 Add oil to within 1 2 of top of reservoir when ram is retracted 3 Install vent unit securely Do not use synthetic fluids with poor lubricating qualities such as brake fluids The result is perma nent damage to the pump Before operating pump be sure vent unit is not clogged Flushing the System As long as the pump is used as outlined in the operating instructions trouble f...

Page 6: ...y Qt Pump motor will not start Power cord not sufficiently Check for tight connections connected Power cord cut Replace power cord Defective motor or switch Replace or repair Fuse in wall box is blown Replace fuse Will not pump oil Not primed Run pump for a few minutes tipping unit from side to side Sticking plunger Replace plunger bushing 8 9 Plugged up screens Clean or replace intake screen 24 D...

Page 7: ...8 815 397 7070 1721 M4 Basic 1722 M4 Basic Hydraulic Power Pumps 62 60 61 52 73 72 56 56 69 68 1 8 ALLEN WRENCH 57 59 70 NOTE REMOVE SET SCREW BEFORE REMOVING MOTOR 67 74 62 64 54 63 65 58 55 53 A 62 43 10 50 9 25 12 00 10 75 SERIAL NO LOCATION 18 21 1721 SERIES 19 93 1722 SERIES 75 ...

Page 8: ...d IL 61109 2988 815 397 7070 1721 M4 Basic 1722 M4 Basic Hydraulic Power Pumps Parts 35 30 10 24 18 15 12 17 16 11 14 39 40 27 10A A A B B SECTION A A SECTION B B 40 19 25 4 22 37 26 20 1 2 70 62 58 20 6 32 5 34 3 4 2 28 38 23 36 29 26 7 33 9 8 22 41 13 21 24A 096 106 ...

Page 9: ...t 1 22 500 6111 9 Spring Compression 1 23 501 4865 6 Spring Compression 1 24 502 1175 7 Screen Intake 1 24A 501 6599 2 Screen Intake replaced by 24 1 25 905 0014 8 O Ring 5 8 x 3 4 x 1 16 1 26 905 0436 4 Ball 9 32 Grade 1 Chrome Steel 2 27 905 0490 9 Nipple Intake replaced by 10 1 28 905 0677 4 Ball 5 32 Grade 1 Chrome Steel 1 29 905 0681 2 Ball 3 8 Grade 1 Chrome Steel 1 30 905 1526 9 Washer 8 Hi...

Page 10: ...1 4 Cup Point Socket Head Set 1 69 918 5117 3 Connector 1 70 905 1474 2 Screw 3 8 24 NF x 2 1 2 Socket Head Cap 4 72 918 5264 1 Cord 10 Foot 1 73 918 5284 6 Switch Toggle 1 74 918 5183 1 Motor 1 HP Electric 1 GE Motor 5KC43PG782T Franklin Motor 1112050101 Dayton 6K674 Parts Hydraulic Power Pumps cont d 1721 M4 Basic 501 8320 6 1722 M4 Basic 501 8355 9 Service Parts GE FRANKLIN DAYTON Greenlee 918 ...

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