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Snap-On FJ400 - User Manual

Snap-On FJ400
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4 TON FLOOR JACK
FJ400
INTRODUCTION
The FJ400 4 Ton Floor Jack is an exclusive Snap-on
®
design which provides the
professional technician with quick performance, ideal lift heights and the dependable
service they require.
TECHNICAL SUPPORT AND SERVICE
US: 877-762-7664
CANADA: 866-824-0524

Table of Contents

Questions and Answers

  • L
    Laura ChenJul 31, 2025
    Why won't my Snap-On FJ400 lift or sustain the load?
    • H
      Heather FreemanJul 31, 2025
      If your Snap-On jack won't lift or hold the rated load, there are several possible reasons. First, ensure the release valve is fully tightened by re-inserting the handle into the handle yoke and rotating it clockwise until it stops, and then try pumping again. Another reason could be that you are exceeding the jack's rated capacity, so ensure you are using a jack with the appropriate capacity for the load.

Summary

INTRODUCTION

SAFETY INFORMATION

SPECIFICATIONS

FEATURES

SMOOTH OPERATION

Describes jack's ease of use, handle design, and release valve operation.

ADDITIONAL INFORMATION

Lists key features like low height, lift arm clearance, seals, and hydraulic oil.

START-UP GUIDE

OPERATION

To Raise A Load

Step-by-step instructions for safely lifting a vehicle using the floor jack.

To Lower A Load

Step-by-step instructions for safely lowering a vehicle after lifting.

MAINTENANCE

REGULARLY

Details daily inspection, cleaning, and proper storage requirements for the jack.

WEEKLY

Outlines weekly lubrication and inspection tasks for optimal jack performance.

TYPE OF OIL AND CORRECT OIL LEVEL

Specifies correct hydraulic oil type and provides steps to check fluid level.

TROUBLESHOOTING

PARTS DRAWING AND PARTS LIST

WARRANTY;SERVICE AND REPAIR

Snap-On FJ400 Specifications

General IconGeneral
BrandSnap-On
ModelFJ400
CategoryJacks
LanguageEnglish

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