Construction Hoist Fraco SEH Premium Range
Assembly and Operating Manual
Page 52 of 69
doc no. 98030718-01
11 Maintenance
Maintenance work may only be carried out by qualified persons.
Dispose of lubricants and replacement parts in an environmentally
friendly way.
Report any changes or faults determined immediately to the company management or
his/her authorized representative. If necessary, shutdown and secure the hoist immediately.
11.1 Working under the cage
It is possible to work under the cage only if the cage is secured against spontaneous move-
ment and falling down. Use a "Maintenance Safety Bracket" fitted to the rack to ensure this.
Minimum clearance under the cage (under its lowest point) must be at least 6.6ft (2 m).
Never enter the space under the cage if it is not secured!
1 = Emergency Stop
2 = Ground fault protection light
3 = Reset ground fault protection button
4 = Key bypass buffer
5 = Main switch (480V)
6 = Main switch (110V)
Fig. 40 Service
system on the ground box AL0
11.1.1
Procedure (for SEH single hoist)
1) Connect the installation remote control in the power panel AS2 (Fig. 22)
2) Turn the "service" key switch of the power panel AS2 to on position (Fig. 22)
3) Raise the car with the installation remote control until the cage floor is 7’5” (2.25 m)
above the foundation slab, and the minimal clearance for the "Maintenance Safety
Bracket" is respected.
4) Secure the hoist by turning off the main switch on the ground box AL0. Perform a lock
out procedure to prevent anyone from turning the main switch on, install warning signs
if necessary.
5) Install the "
Maintenance Safety Bracket
". The bracket must be installed above the
mast horizontal member (Fig. 41). The gap between the car and the bracket must be
less than 1” (25 mm)
6) Perform maintenance work.
7) Remove the
“Maintenance safety bracket”
and leave the space under the car.
8) Unlock the main switch and turn it back to on position.
9) Lower the car to the ground, remove warning sign if necessary.
10)Disconnect the installation remote control and turn the service key switch to off posi-
tion.
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