Product Manual

4 MHD56102 - Edition 10
ENGLISH
INSTALLATION
WARNING
• To avoid an unbalanced load which may damage the trolley,
the hoist must be centered under the trolley.
• Ensure capacity of hoist does not exceed the rated capacity of
the trolley assembly.
• To avoid an unbalanced load, center hanger shaft between
trolley plates using properly installed spacer washers.
• Before installing, read “SAFETY INFORMATION.”
NOTICE
• Trolley wheels ride on the top of the lower flange of the
beam.
• Install manual chain hoists so that hoist hand chain is on
opposite side of trolley hand chain.
• Visually inspect components for distortion, wear and damage
during installation. Replace any item indicating damage,
distortion and/or excessive wear.
1/2 to 5 ton Trolleys
Installation Over Open End Of Beam
1. Refer to Dwg. MHP0785 on page 5 along with instructions to
position spacer washers for measured beam flange width (W).
2. The hoisting mechanism must be located on the center line of
the trolley. Place equal number of spacer washers (7) on each
side of the hanger shaft (9) to obtain the proper “D”
dimension. Note: Calculate “D” using measured beam flange
width “W” and dimensions “B” and “C” from the chart on
page 5.
3. Place equal numbers of the remaining spacer washers on the
outside of each side plate. In every case there should be at
least one spacer washer between the locknut (8) and the side
plate.
4. Tighten both of the hanger shaft locknuts (8) to the minimum
torque setting listed for trolley size as shown in
Specifications Table on page 3.
5. Check the “D” dimension to verify proper adjustment.
6. Install trolley over open end of beam.
WARNING
• Depending on the size you select, the trolley alone may weigh
more than 125 lb (57 kg). If parts of the trolley or hoist are
dropped, they can cause severe injure or damage property.
Adequately support the trolley when lifting into place on the
beam.
7. Check total clearance between beam and trolley wheel
flanges.
8. Observe hoist and trolley operation. Trolley should move
with the wheel flanges as close as possible to edge of the
beam. If it appears trolley side plates could be moved closer
together and freedom of movement will not be restricted,
remove trolley from beam. Remove washers from each side
of the hanger shaft to give 1/16 to 1/8 in (1.6 to 3.2 mm)
clearance between each side of the beam flange and wheel
flanges. Slightly more clearance may be required for curved
beams. Be sure to place the removed washers equally
between the side plates and locknuts. Reinstall trolley over
open end of the beam.
NOTICE
• The total clearance between the beam and the trolley wheel
flanges is 1/16 to 1/8 in (1.6 to 3.2 mm) maximum per side.
Refer to Dwg. MHP0785 on page 5.
9. Make certain that the capacity of the hoist does not exceed
the rated capacity of the trolley.
10. Securely install beam/rail stops.
11. Upon completion of installation, conduct initial operating
checks as described in the “OPERATION” section.
Installation From Beneath The Beam
The trolley must be installed from underneath the beam using the
following procedure.
1. Refer to Dwg. MHP0785 on page 5 along with instructions to
position spacer washers for measured beam flange width (W).
2. The hoisting mechanism must be located on the centerline of
the trolley. Place spacer washers (7) on each side of the
hanger shaft (9) to obtain the proper “D” dimension. Note:
Calculate “D” using measured beam flange width “W” and
dimensions “B” and “C” from the chart on page 5.
3. Place equal numbers of the remaining spacer washers on the
outside of each side plate. In every case there should be at
least one spacer washer between the locknut (8) and the side
plate.
4. Install locknuts (8) against one side plate only.
5. Spread side plates sufficiently to allow installation on the
beam. Push side plates together, ensure all spacers are
correctly positioned and install remaining locknuts.
6. Tighten locknuts to minimum torque settings provided in
Specifications Table on page 3.
7. Check the “D” dimension to verify proper adjustment.
8. Check total clearance between beam and trolley wheel
flanges.
9. Observe hoist and trolley operation. Trolley should move
with the wheel flanges as close as possible to edge of the
beam. If it appears trolley side plates could be moved closer
together and freedom of movement will not be restricted,
remove trolley from beam. Remove washers from each side
of the hanger shaft to give 1/16 to 1/8 in (1.6 to 3.2 mm)
clearance between each side of the beam flange and wheel
flanges. Slightly more clearance may be required for curved
beams. Be sure to place the removed washers equally
between the side plates and locknuts. Reinstall trolley.
10. Make certain that the capacity of the hoist does not exceed
the rated capacity of the trolley.
11. Verify beam/rail stops are securely installed.
12. Upon completion of installation, conduct initial operating
checks as described in the “OPERATION” section.
NOTICE
• The one ton geared trolley, Model GT010, is designed for use
with a hoist or payload. If the one ton geared trolley is
installed on a beam flange width of 5 inches (127 mm) or less
without a hoist or payload it will tip due to the weight of the
hand chain. A counterweight must be installed to
counterbalance the one ton geared trolley for this application.