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3.1   Pump Features and Major Components

See  figures  1  through  4  for  the  locations  of  pump 
features and major components. Refer to Table 2 for 
descriptions of items A through G.

A

B

C

D

D

E

Figure 1, Models P-18 and P-39

A

B

C

D

D

E

G

Figure 2, Model P-77

A

B

C

D

D

E

F

G

Figure 3, Models, P-80 and P-801

B

C

D

D

E

A

G

Figure 4, Model P-84

Summary of Contents for Ultima P-18

Page 1: ...ces to avoid personal injury A DANGER is only used when your action or lack of action may cause serious injury or even death WARNING Wear proper personal protective gear when operating hydraulic equipment WARNING Stay clear of loads supported by hydraulics A cylinder when used as a load lifting device should never be used as a load holding device After the load has been raised or lowered it must a...

Page 2: ...nt must only be serviced by a qualified hydraulic technician For repair service contact the Authorized ENERPAC Service Center in your area To protect your warranty use only ENERPAC oil WARNING Immediately replace worn or damaged parts with genuine ENERPAC parts Standard grade parts will break causing personal injury and property damage ENERPAC parts are designed to fit properly and withstand high ...

Page 3: ...for the locations of pump features and major components Refer to Table 2 for descriptions of items A through G A B C D D E Figure 1 Models P 18 and P 39 A B C D D E G Figure 2 Model P 77 A B C D D E F G Figure 3 Models P 80 and P 801 B C D D E A G Figure 4 Model P 84 ...

Page 4: ...n external pressure reducing valve is being used in the circuit connect the tank port of the valve to the return to tank port on the pump Note Cylinders hoses and accessories shown in Figure 5 are sold separately and not included with pump Refer to the Enerpac catalog for a complete description of available components and accessories The exact components required for your system will vary dependin...

Page 5: ... reached the end of its travel Do not apply side force to pump handle IMPORTANT To reduce handle effort at high pressure take short strokes Maximum leverage is obtained in the last 5 degrees of stroke 5 2 Two Stage Flow Models P 77 P 80 P 801 and P 84 Two speed pumps provide two stage flow Under no load the pump operates in the high flow first stage for rapid advance When the load is contacted the...

Page 6: ... 1 Loosen and remove oil fill plug to provide reservoir venting during the following steps 2 Fully close release valve 3 Position pump in the horizontal position at higher elevation than cylinder See Figure 11 4 Position cylinder with the plunger end down up if using pull cylinder 5 Operate pump to fully extend the cylinder retract if using pull cylinder 6 Open release valve to retract cylinder ex...

Page 7: ... result if this maximum limit is exceeded Damage to pump and components may also occur 6 All models except P 84 After the desired setting is obtained turn the release valve counter clockwise to relieve system pressure Check that pressure gauge indicates zero 0 psi bar 7 Model P 84 only After the desired setting is obtained move the valve handle to the N neutral position to relieve system pressure ...

Page 8: ... only the oil fill plug supplied with the pump or a genuine Enerpac replacement plug of identical specifications CAUTION Never attempt to return more oil to the reservoir than it is capable of holding 9 2 Changing the Oil Drain all oil from reservoir and refill with clean Enerpac oil every 12 months If pump is used in dirty environments change the oil more frequently 1 Remove oil fill plug from re...

Page 9: ... to lift more than rated tonnage 6 Remove air according to the instructions in Section 6 0 7 Remove excess oil from reservoir Note If cylinder operates normally when pump oil fill plug is loosened reservoir may be overfilled with oil 8 Check for damage to cylinder Have cylinder serviced by an Enerpac Authorized Service Center 1 Check that all connections are tight and leak free 2 Locate leak s and...

Page 10: ... 7 495 98090 92 sales ru enerpac com Singapore Actuant Asia Pte Ltd 83 Joo Koon Circle Singapore 629109 T 65 68 63 0611 F 65 64 84 5669 Toll Free 1800 363 7722 sales sg enerpac com South Korea Actuant Korea Ltd 3Ba 717 Shihwa Industrial Complex Jungwang Dong Shihung Shi Kyunggi Do Republic of Korea 429 450 T 82 31 434 4506 F 82 31 434 4507 sales kr enerpac com Spain and Portugal ENERPAC SPAIN S L ...

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