Harrington Hoists and Cranes (N)ER Hoist - ((N)ER1) User Manual
Page 16
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Figure 3-7
Capsized Hook and Chain – 3 and 5 Ton Double Fall Models
3.3 Mounting
Location
3.3.1
WARNING
Prior to mounting the hoist ensure that the suspension and the supporting
structure are adequate to support the hoist and its loads. If necessary consult a professional that is
qualified to evaluate the adequacy of the suspension location and its supporting structure.
3.3.2
NOTICE
See
Section 6.7
for outdoor installation considerations.
3.4 Mounting
the
Hoist
3.4.1
Manual Trolley - Follow instructions in Owner’s Manual provided with the trolley.
3.4.2
Motorized Trolley - Follow instructions in Owner’s Manual provided with the trolley.
3.4.3
Hook Mounted to a Fixed Location - Attach the hoist’s top hook to the fixed suspension point.
3.4.4
WARNING
Ensure that the fixed suspension point rests on the center of the hook’s saddle and
that the hook’s latch is engaged.
3.5
Electrical Connections
3.5.1
CAUTION
Ensure that the voltage of the electric power supply is proper for the hoist or trolley.
3.5.2
CAUTION
Do not apply variable speed control to the NER model hoist. Use the ER model for
applications of variable speed control for hoists.
3.5.3
DANGER
Before proceeding, ensure that the electrical supply for the hoist or trolley has
been de-energized (disconnected). Lock out and tag out in accordance with ANSI Z244.1 “Personnel
Protection -Lockout/Tagout of Energy Sources”.
3.5.4
This instruction applies to installations where the hoist is installed hook mounted to a fixed suspension
point or installed on a manual trolley. In this case the hoist is controlled by a pendant with two push
buttons – one for raising and one for lowering. Refer to the appropriate trolley Owner’s Manual if the
hoist is installed on a motorized trolley.
Pendant Cord
The Pendant Cord connects to the hoist via a 5-pin (5P) Plug and Socket. Make this connection as
follows:
Refer
to
Figure 3-8.
Insert the 5P Plug into the 5P Socket on the hoist and hand tighten the Screw Coupling.
Install the Cord Strain Relief Cable to the Cord Support on the bottom of the hoist.