COVID-19: Update from HCRC

Jack FAQs

Click on the images below for more information.

1 - FAQ: Check Ball Operation (Pump Valve) Check Ball Valve Seat Click to enlarge 2 - FAQ: Check Ball Valve Seats Check Ball Valve Seat Click to enlarge
3 - FAQs: Yasui-Style Release Valve Breakdown How to measure a wheel Click to enlarge 4 - FAQs: Floor Jack Block How to measure a wheel Click to enlarge
5 - FAQ: Quick-Lift Valve Operation Check Ball Valve Seat Click to enlarge 6 - FAQ: Floor Jack Operating Principles Check Ball Valve Seat Click to enlarge
7 - FAQ: Exploded View for Aluminum Floor Jack Check Ball Valve Seat Click to enlarge 8 - FAQ: Quick Lift Floor Jack w/ Single Pump Piston Quick Lift Floor Jack w/ Single Pump Piston Click to enlarge
9 - FAQ: Quick Lift Floor Jack w/ Double Pump Piston Quick Lift Floor Jack w/ Double Pump Piston Click to enlarge 10 - FAQ: Floor Jack w/ Gear-Type Release Valve Lincoln/HW Old vs. New Pump Differences Click to enlarge
11 - FAQ: Quick Lift Jack w/ Gear-Type Release Valve Lincoln/HW Old vs. New Pump Differences Click to enlarge 12 - FAQ: Yasui-Style Jack w/ Gear-Type Release Valve Yasui-Style Floor Jack w/ Gear-Type Release Valve Click to enlarge
13 - FAQ: 328 Series Look-Alikes Floor Jack Seal Locations Click to enlarge 14 - FAQ: Long Chassis 5 and 10 Ton Floor Jacks  Long Chassis 5 and 10 Ton Floor Jacks Click to enlarge
15 - FAQ: Craftsman 328 Series Oil Reservoir Craftsman 328 Series Oil Reservoir Click to enlarge 16 - FAQ: Lincoln/HW Old vs. New Pump Differences Lincoln/HW Old vs. New Pump Differences Click to enlarge
176 - FAQ: Relief Bypass System for Import Jacks Identify 30° vs. 90° Pistons Click to enlarge 18 - FAQ: Ram/Cylinder Identification Identify 30° vs. 90° Pistons Click to enlarge
19 - FAQ: Ram/Cylinder Identification - Enerpac Identify 30° vs. 90° Pistons Click to enlarge 20 - FAQ: Identify 30° vs. 90° Pistons Identify 30° vs. 90° Pistons Click to enlarge
21 - FAQ: Understanding Hydraulic Cylinders
Ram Pressure Understanding Hydraulic Cylinders Ram Pressure Click to enlarge
22 - FAQ: Oil Seal or Wiper?
  Oil Seal or Wiper? Click to enlarge
23 - FAQ: Pump Pistons - Jointed vs. Non-Jointed Pump Pistons - Jointed vs. Non-Jointed Click to enlarge 24 - FAQ: Craftsman Model Number Location Floor Jack Seal Locations Click to enlarge