Jet S90 Series User Manual (English)

Questions and Answers:

M
Melissa MillerJul 27, 2025
Why does the load chain on my Jet S90 Chain Hoists jump or make excessive noise?
- W
  wflowersJul 28, 2025
  The load chain on your Jet Chain Hoists might be jumping or making excessive noise due to several reasons: - The load chain may be dirty or dry. You should inspect and clean the load chain and load sheave, and then oil the chain for optimal performance. - The load chain could be kinked or twisted. Try removing any twists in the chain. - The load chain might be worn, deformed, or otherwise damaged. In this case, replace the chain, using only JET-authorized chains. - The chain could be catching in the load sheave. Inspect and clean both the chain and the sheave, and check for any chain deformations.
A
Angela ReillyAug 6, 2025
What to do if my Jet S90 Chain Hoists will not lower load, or lowers with great difficulty?
- D
  Donald BarrAug 6, 2025
  If your Jet Chain Hoists has difficulty lowering a load, or won't lower at all, it could be due to: * The load chain binding because of obstruction, damage, or wear. Inspect and clean the load chain and load sheave, keep the load chain lightly oiled, and replace the chain if it's damaged or worn. * The brake/ratchet disc not releasing due to obstruction or damage. Inspect and clean the ratchet and pawl assemblies.
V
Victoria HaydenAug 11, 2025
What to do if my Jet S90 Chain Hoists will not move in either direction?
- W
  William MyersAug 11, 2025
  If your Jet Chain Hoists will not move in either direction, there are several potential causes: * The hand chain wheel might be jammed, worn, or damaged. Inspect and clean the hand chain and hand chain wheel, replacing them if necessary. * The hand chain could be slipping over the wheel. Check the hand chain wheel for damage or worn cogs and replace it if needed. * The load sheave or load chain may be jammed. Inspect and clean them, checking for chain link deformation. Replace any damaged elements and oil the load chain for optimal performance. * The load gear or spur gears might be jammed due to obstruction or damage. Inspect, clean, and re-grease the gears, replacing them if worn or damaged.
J
Jason GravesAug 16, 2025
Why does the load drift downward while suspended on Jet S90 Chain Hoists?
- C
  Carla MartinAug 16, 2025
  If the load drifts downward while suspended on your Jet Chain Hoists, consider these possibilities: * The load may be beyond the hoist's capacity. Use a hoist that is properly rated for the load. * The ratchet disc teeth, pawls, or pawl springs may be worn or damaged. Inspect these elements and replace them if needed. * The brake disc(s) may be worn or dirty. Inspect the brake disc(s) for wear or damage and consult the manual for thickness tolerances; replace if necessary.
W
Wayne MorganAug 21, 2025
How to fix a hook latch that is not closing on Jet S90 Chain Hoists?
- A
  aaron36Aug 21, 2025
  If the hook latch on your Jet Chain Hoists isn't closing, it could be because: * The latch is bent or broken. Replace the latch. * The hook is deformed, preventing proper latch operation. Replace the hook assembly.