This applies for all chain hoists with electric trolley.
An exception is made for chain hoists with maximum working load of <1000 kg with push
trolley or in stationary design.* (Monorail with push trolley, or stationary mounting.)
When the hoist is commissioned and / or after a service call a comprehensive retest must
always be performed.
Test steps
• Remove sticker from air vent screw in gear
• Check suspension hook or suspension (visual inspection)
• Check load chain
- clean and oiled
- must not be twisted
• Check chain box
- attachment
• Attach chain stopper to chain with hook at floor level and check chain anchorage
• Measure and record hook aperture
• Check that chain drive runs smoothly
• Check electrical connection
• Check runway
- clean, free of grease and paint, even
- end stops present
• Check tightening torque of screw connections of suspension piece or trolley suspen-
sion.
• Open step of travel drive must be clean and greased.
• Functional test of all control functions and safety circuits (motions, brakes, emergency
stop, limit switches).
• Maximum working load of hoist with test loads
Dynamic test: 1.1 x maximum working load
Static test: 1.25 x maximum working load
The test loads must be provided by the user.
• Function of overload cut-off, see page 33.
• Confirm that commissioning has been duly carried out in the test logbook.
If required by national regulations, have chain hoist accepted before commissioning.
* The above exceptions do not apply if your chain hoist is operated on a crane!