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Troubleshooting
The numbers in parentheses refer to the parts breakdown on the following page.
Trouble
Hoist will not lift (no
clicking sound).
Load slips or drifts
while being lowered.
Hoist will not lower
load.
Hoist will not
freewheel.
* Any disassembly or repair of the lever hoist should be performed by properly trained personnel. Call JET or
go to www.jettools.com to find an authorized Service Center nearest you.
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-
800-274-6848, Monday through Friday (see our website for business hours, www.jettools.com). Having the
Model Number and Serial Number of your machine available when you call will allow us to serve you quickly
and accurately.
Probable Cause
Pawl (#21) not engaging ratchet disc
(#24); possible dirt or foreign material.
Pawl spring (#20) is damaged.
Selector switch spring is loose or
damaged.
Dirt/corrosion/foreign material in hoist
components.
Brake is slipping. Brake seat (#23) is
worn from long-term use, or is damaged
from overloading or misuse.
The brake has caught. (Hoist was left
under load condition for extended
period, or was shock-loaded while
operating.)
Brake components are corroded or
damaged.
Brake has caught because load chain
was pulled too hard.
Remedy*
Clean and lubricate pawl/ratchet disc
assemblies.
Replace pawl spring.
Tighten or replace selector switch
spring.
Inspect and correct problem. Keep hoist
clean and lubricated.
Replace disc hub. Do not overload
hoist.
Place selector lever in DOWN position
and pull hard on the lever handle to re-
set the brake. Resume operation.
Replace components as needed; keep
hoist clean and lubricated.
Reset by rotating handwheel clockwise
while pulling down on load chain.
Return hoist to freewheel mode and
continue. Pull load chain less forcibly.
11
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