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Page 11

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

Item 58608 

        

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Maintenance and Servicing Instructions

  Procedures not specifically explained in this manual must 

be performed only by a qualified technician.

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: 

Make sure that the Trigger is locked and Battery Pack is removed 

before performing any procedure in this section.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: 

Do not use damaged equipment.  If abnormal noise or vibration 

occurs, have the problem corrected before further use.

Cleaning, Maintenance, and Lubrication

1. 

BEFORE EACH USE,

 inspect the general 

condition of the tool.  Check for:
•  leaking, swollen, or cracked battery pack, 
•  loose hardware, 
•  misalignment or binding of moving parts, 
•  cracked or broken parts, and 
•  any other condition that may 

affect its safe operation.

2. 

AFTER USE,

 wipe external surfaces 

of the tool with clean cloth.

3.  Li-Ion BATTERY MUST BE RECYCLED OR 

DISPOSED OF PROPERLY.   

Do not short, incinerate or open battery.

4.  Disconnect battery pack and store battery pack, 

charger, and tool in dry, indoor area out of 

reach of children and away from metal objects 

(i.e., paperclips, coins) to prevent shorting.

Troubleshooting

Problem

Possible Causes

Likely Solutions

Decreased output.

Contaminants in pumping 

mechanism.

Refer to Clearing Contaminants on page 9.

Tool will not start.

1.  Battery Pack not properly 

connected. 

 

2.  Battery Pack not properly 

charged. 

3.  Battery Pack burnt-out. 

4.  Internal damage or wear.  

(Carbon brushes or 

Trigger, for example.)

1.  Remove Battery Pack, make sure there are no 

obstructions, reinsert the Battery Pack according 

to its shape (it should only fit one way), and press 

firmly until the Battery Pack locks in place.

2.  Make sure Charger is connected and 

operating properly.  Give enough time for 

Battery Pack to recharge properly.

3.  Dispose of old Battery Pack 

properly or recycle.  Replace Battery Pack.

4.  Have technician service tool.

Tool is not pumping. 1.  Grease tube is empty.

2.  Air pockets in grease. 

3.  Contaminants in pumping 

mechanism.

1.  Fill grease tube.
2.  Prime tool according to instructions in General 

Instructions for Use on page 10.

3.  Refer to Clearing Contaminants on page 9.

Grease appears 

in Pressure 

Relief Valve.

Clogged/frozen zerk 

fitting or grease line.

Replace zerk fitting or use grease fitting cleaning 

tool to clean clog from fittings and joints. 

Tool stalls or 

shuts off.

1.  Clogged/frozen zerk 

fitting or grease line.

2.  Contaminants in pumping 

mechanism.

1.  Replace zerk fitting or use grease fitting cleaning 

tool to clean clog from fittings and joints.

2.  Refer to Clearing Contaminants on page 9

  Follow all safety precautions whenever diagnosing or servicing the tool.   

Disconnect Battery Pack and Charger power supply before service.

Summary of Contents for Bauer 21506C-B

Page 1: ...and dry place for future reference 21j 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 2021 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 Too...

Page 2: ...moderate injury Addresses practices not related to personal injury IMPORTANT SAFETY INFORMATION General Power Tool Safety Warnings Read all safety warnings instructions illustrations and specifications provided with this power tool Failure to follow all instructions listed below may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term...

Page 3: ... mask non skid safety shoes hard hat heavy duty work gloves or hearing protection used for appropriate conditions will reduce personal injuries e Prevent unintentional starting Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool Carrying power tools with your finger on the switch or energizing power tools that have the swit...

Page 4: ...ntain labels and nameplates on the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement 6 Battery tool use and care a Prevent unintentional starting Ensure the switch is in the off position before connecting to battery pack picking up or carrying the power tool Carrying the power tool with your finger on the switch or energizing powe...

Page 5: ...pose to temperatures greater than 265 F c Charge Battery Pack only according to its Charger s instructions d Inspect Battery Pack before every use do not use or charge if damaged Grounding TO PREVENT ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded Do not modify the power cord plug provided with t...

Page 6: ...ller Port 1 8 NPT Hose Length 36 Setup Before Use Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Note For additional information regarding the parts listed in the following pages refer to Parts List and Diagram on page 12 Charging Follow instructions included with the Charger sol...

Page 7: ...e turned off manually by pressing the LED Power Button LED Light LED Power Button Pressure Relief Valve If maximum PSI is exceeded grease will come out of the Pressure Relief Valve indicating a line blockage If tool continues to run while blocked the motor will overload and tool will stall To clear blockage see Clearing Contaminants section on page 9 Pressure Relief Valve Shoulder Strap The Should...

Page 8: ... Grease Tube back into the Head Assembly 5 Open Air Bleed Valve 6 Release Follower Rod from the slot on the End Cap to allow the Follower Rod to move forward into the Grease Tube Loading the Grease Gun from a Bulk Container 1 Unscrew and remove the Grease Tube from the Grease Gun Head Assembly 2 Insert the open end of Grease Tube into lubricant Slowly pull the Follower Rod back while pushing the G...

Page 9: ...en cleared 3 Replace Hose Assembly and operate the tool Check Valve 1 Locate the Check Valve that sits below the Pressure Relief Valve Check Valve Hose Assembly Pressure Relief Valve 2 Remove the Bolt and Washer from the Check Valve and pull Trigger for 15 seconds 3 If a Spring and Ball are expelled from the Check Valve clean both parts with a clean cloth 4 Inspect the open Check Valve for any con...

Page 10: ...a clean cloth prior to attaching the Grease Gun s Coupler onto the zerk fitting 5 Attach the Coupler by pressing it straight onto the clean grease zerk fitting Make sure that the Coupler is fully seated on the zerk fitting WARNING TO REDUCE THE RISK OF SERIOUS INJURY FROM INJECTION It may be necessary to hold the Coupler in place on the zerk fitting while lubricating While wearing heavy duty work ...

Page 11: ... Contaminants in pumping mechanism Refer to Clearing Contaminants on page 9 Tool will not start 1 Battery Pack not properly connected 2 Battery Pack not properly charged 3 Battery Pack burnt out 4 Internal damage or wear Carbon brushes or Trigger for example 1 Remove Battery Pack make sure there are no obstructions reinsert the Battery Pack according to its shape it should only fit one way and pre...

Page 12: ...e 1 54 Retaining Ring 1 55 Hex Socket Disc Screw 1 56 Holder 1 57 Grease Tube 1 58 Gasket 1 59 Hose Assembly 1 60 Washer 3 1 61 Housing Left 1 62 Housing Right 1 63 Button 1 64 Lampshade 1 65 Nut 2 66 Fixed Seat 1 67 Shaft 1 68 Trigger Lock 1 69 Coupler Holster 1 70 Grease Hose Holster 1 71 Hexalobular Socket Pan Head Screw 2 72 Hexalobular Socket Pan Screw 12 73 Shoulder Strap not shown 1 Parts L...

Page 13: ...Page 13 For technical questions please call 1 888 866 5797 Item 58608 SAFETY OPERATION MAINTENANCE SETUP Assembly Diagram ...

Page 14: ...NANCE SETUP Record Product s Serial Number Here Note If product has no serial number record 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 193175442215 when ordering parts ...

Page 15: ...states do not allow the exclusion or limitation of incidental or consequential damages so the 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 o...

Page 16: ...26677 Agoura Road Calabasas CA 91302 1 888 866 5797 ...

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