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SKU 39954

For technical questions, please call 1-800-444-3353.

MAinTEnAnCE

After every use, wipe unit with clean dry cloth and turn all switches to the off position.  

1. 

Store in a cool, dry place out of reach of children.
If light does not work, make sure it is tight in the socket.  If it does not work after tight-

2. 

ening, replace the bulb.
Recharge unit after every use, and after every 3 months of storage.

3. 

Recharging

This unit is rechargeable, by either the Power Cord, or by use of a vehicle 12 VDC 

cigarette lighter output socket.  It is recommended that the battery is kept fully charged at 

all times.  If the battery is left in a low charge state it could shorten battery life. The time 

required to recharge the battery depends on the number of previous battery jump starts.  

To check and see if the battery is low, press the (red) Button (16).  The Meter (17) will 

show the battery charge level. Green area of meter indicates that it is charged.

To charge and recharge using the Power Cord and AC inlet:

Insert the Power Cord’s female plug into the rectangular AC Input on the side of the 

1. 

unit, and the male plug into a 120 VAC outlet.

For the initial charge and for recharges, allow the Jump Start System to 

2. 

recharge for 48 hours (maximum).

  Check the recharge progress by pressing the 

red Button (15). This will show the level of battery power on the Volt Meter (17).

Note:

  If the Volt Meter does not show any voltage, verify the voltage with a separate 

voltage meter (not included).
This Jumpstarter System is equipped with an automatic cut off to help prevent 

3. 

overcharging. 

To recharge using a 12 VdC supply:

Insert the Cigarette Lighter Recharger Plug into the Front Panel port labeled 

1. 

Recharge.

Insert the other end of the Cigarette Lighter 

2. 

Recharger Cord into the 12 VAC Cigarette lighter 

receptacle on your vehicle or boat.
Allow the Jump Start System to recharge for 8 to 10 

3. 

hours. An automatic cut off will help prevent overcharging the battery.

Battery Replacement

Remove all 8 Screws (27), using a Phillips screwdriver, from the back Cover (5) to 

1. 

expose the Battery (20).
Remove the 2 Phillips Screws (24) that are holding the Battery Bracket  (12) to the 

2. 

Battery. 

REV 09d, 09j

Summary of Contents for 39954

Page 1: ...served 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 manual may not...

Page 2: ...the risk of personal injury and damage to equipment Read all instructions before using this tool Wear eye protection 1 When working on or around lead acid batteries always wear ANSI approved eye prote...

Page 3: ...aged have them repaired by an authorized technician Stay alert 20 Watch what you are doing use common sense Do not operate any tool when you are tired Check for damaged parts 21 Before using any tool...

Page 4: ...te areas or emergencies Jump Starting Switch the Safety Switch to the OFF position 1 Connect RED POSITIVE cable to Positive Battery Terminal first Connect BLACK 2 NEGATIVE cable to body ground a non m...

Page 5: ...ion Pressure Meter Switch Compressor 43 Inflation Needle and Plastic Adapters 37 Hose Connector Hose Compartment 1 Turn the main Power Switch on the front panel to the On position If inflating a tire...

Page 6: ...and AC Inlet Insert the Power Cord s female plug into the rectangular AC Input on the side of the 1 unit and the male plug into a 120 VAC outlet For the initial charge and for recharges allow the Jump...

Page 7: ...ry in the Jumpstarter System has expired it should be recycled Some States require this recycling Contact your local solid waste authority for recycling information Warning Do not dispose of battery b...

Page 8: ...M2 5 x 6 2 25 Screw M2 5 x 12F 2 26 Screw M3 x 12 4 Item Description Qty 27 Screw M4 x 16 8 28 Screw M3 x 12 4 29 Bolt M5 x 16 2 30 Nut M5 2 31 Nut M3 2 32 Washer 2 5 2 33 Washer 3 2 34 Washer 3 1 35...

Page 9: ...KU 39954 For technical questions please call 1 800 444 3353 Assembly Diagram 44 27 43 35 36 37 38 39 41 5 44 40 42 47 31 34 21 25 32 7 10 1 19 18 9 45 8 26 28 23 33 26 6 4 11 30 29 20 24 12 15 16 17 1...

Page 10: ...cidental 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 me...

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