Central Hydraulics 58047 Owner'S Manual & Safety Instructions Download Page 8

TO PREVENT SERIOUS 
INJURY: 
Do not adjust or tamper with 
any control or component in a 
way not specifically explained 
within this manual.  Improper 
adjustment can result in 
tool failure or other serious 
hazards.

Note:

  This Air Hydraulic Foot Pump is 

designed to operate pneumatically. 
It is an ideal power source for 
various body, frame and alignment 
applications. It can be used with 
different ram kits, shop presses 
and hydraulic pullers (not included) 
that operate up to 10,000 PSI. It is 
equipped with a factory set Safety 
Valve to prevent sudden hydraulic 
failure. 

Note:

  Check the oil level and purge 

air from system before use. The 
Reservoir (72) should be full but after 
shipping it may need to be topped off. 
Check the oil in the pump reservoir 
prior to use. Place Pump on flat 
and horizontal surface. Wipe top of 
cylinder with clean, dry rag. Remove 
the Fill Plug (77) and add the fluid 
being careful not to spill. Replace 
the Fill Plug and wipe up any spilled 
hydraulic fluid. Periodically check the 
fluid level.

FOR BEST OPERATION:

  Before 

use, unscrew the Breather Valve.  
After use, shut the Breather Valve.

Work Piece and Work Area Set Up

1. 

Designate a work area that is clean 
and well-lit.  The work area must not 
allow access by children or pets to 
prevent injury and distraction.

2. 

Route the air hose along a safe 
route to reach the work area without 
creating a tripping hazard or exposing 
the air hose to possible damage.  
The air hose must be long enough 
to reach the work area with enough 
extra length to allow free movement 
while working. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Pneumatic Tool Operation

1. 

Push down momentarily on Foot 
Pedal (37) and release it. The Air 
Valve (12) should be raised in order 
to operate. (Feel underneath the Foot 
Pedal to make sure Valve is raised.) 

2. 

Attach the air hose from your 
compressor to the Air Nipple (1).

3. 

As pressure may be present, verify 
that the system is not pressurized 
before hydraulic hoses are connected 
or disconnected. Verify this by 
pressing Release Bar (43) with hand 
to release any internal hydraulic 
pressure.  Remove the Protective 
Plug (84) from the Adapter (85), 

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NPT end to the hose Connector (68) 
directly.

Release Bar (43)

Foot Pedal (37)

Breather 

Valve (79)

Bleeding Plate (41)

Base Plate (80)

Air Cylinder (15)

Page 8

Item 58047

For technical questions, please call 1-888-866-5797.

Summary of Contents for 58047

Page 1: ...rence 21d When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2008 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manua...

Page 2: ...ided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAININ...

Page 3: ...d exposure to high intensity noise is able to cause hearing loss Tool use and care a Use clamps or another practical way to secure and support the workpiece to a stable platform Holding the work by hand or against the body is unstable and is able to lead to loss of control b Do not force the tool Use correct tool for application The correct tool will do the job better and safer at the rate for whi...

Page 4: ...r at the rated pressure or within the rated pressure range as marked on the tool Always verify prior to using the tool that the air source has been adjusted to the rated air pressure or within the rated air pressure range b Never use oxygen carbon dioxide combustible gases or any bottled gas as an air source for the tool Such gases are capable of explosion and serious injury to persons SAVE THESE ...

Page 5: ... A loose accessory may detach or break during operation 9 Obey the manual for the air compressor used to power this tool 10 Install in line shutoff valve to allow control over the air supply in an emergency even if a hose is ruptured Vibration Precautions This tool vibrates during use Repeated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the h...

Page 6: ...his air tool may be shipped with a protective plug covering the air inlet Remove this plug before set up Air Supply TO PREVENT EXPLOSION Use only clean dry regulated compressed air to power this tool Do not use oxygen carbon dioxide combustible gases or any other bottled gas as a power source for this tool Adapter Pump 1 Incorporate an in line oiler shut off valve hose regulator with pressure gaug...

Page 7: ...sure gradually while checking the air output gauge to set the right pressure range 8 Inspect the air connections for leaks Repair any leaks found 9 If the tool will not be used at this time turn off and detach the air supply safely discharge any residual air pressure and release the throttle and or turn the switch to its off position to prevent accidental operation Note Residual air pressure shoul...

Page 8: ...ther Valve After use shut the Breather Valve Work Piece and Work Area Set Up 1 Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent injury and distraction 2 Route the air hose along a safe route to reach the work area without creating a tripping hazard or exposing the air hose to possible damage The air hose must be long enough to reac...

Page 9: ...ual must be performed only by a qualified technician TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the throttle and or turn the switch to its off position before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged e...

Page 10: ...ration as well as abnormal noise or vibration If any of this should occur have the problem corrected before further use Do not use damaged equipment 2 AFTER USE wipe off with a clean cloth Be sure to wipe away any spilled hydraulic fluid 3 MONTHLY check and refill hydraulic fluid See Bleeding Instructions below Bleeding Instructions 1 CAUTION Air may accumulate in the Foot Pedal s system during sh...

Page 11: ... 1 Lubricate using air tool oil and grease according to directions 2 Have qualified technician inspect internal mechanism and replace parts as needed Severe air leakage Slight air leakage is normal especially on older tools 1 Cross threaded housing components 2 Loose housing 3 Damaged valve or housing 4 Dirty worn or damaged valve 1 Check for incorrect alignment and uneven gaps If cross threaded d...

Page 12: ...il Outlet Seat 1 66 Retainer 2 67 O Ring 2 68 Hose Connector 1 69 Lock Nut 1 70 O Ring 2 71 Lever 1 72 Reservoir 1 73 Reservoir Cover 1 74 O Ring 1 75 Nut 1 76 Nylon Ring 1 77 Fill Plug 1 78 Sealing Ring 1 79 Breather Valve 1 80 Base Plate 1 81 Rubber Foot 4 82 Lock Washer 3 83 Screw 3 84 Protective Plug 1 85 Adapter 1 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PRO...

Page 13: ...ASSEMBLY DIAGRAM Page 13 Item 58047 For technical questions please call 1 888 866 5797 ...

Page 14: ...ord month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Specify UPC 193175431172 when ordering parts Page 14 Item 58047 For technical questions please call 1 888 866 5797 ...

Page 15: ...e above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our in...

Page 16: ...26541 Agoura Road Calabasas CA 91302 1 888 866 5797 Page 16 Item 58047 For technical questions please call 1 888 866 5797 ...

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