26
A
B
Right Angle
MEASURE DIAGONAL DISTANCES BETWEEN
END TRUCK FRAMES. "X" MUST EQUAL "Y"
X
Y
Figure 3-4
3.1.6
Remove the temporary support method of 3.1.2 above. Move the crane along the full length of
the runway. Check for binding and guide roller clearance (normal clearance is 3/16 inch from
each guide roller to runway beam flange edge).
3.1.7
Install braces on the crane bridge and end trucks. Refer to Figure 3-5. Note: Figure 3-5 depicts a
crane with two braces per end truck. Manual or Push crane systems require only one brace per
end truck.
Typical
Underhung
End Truck
End
Bracket
End
Bracket
Braces
Bridge
Beam
Figure 3-5
When installing the hoist and trolley on the bridge beam, refer to the
installation instructions for your hoist and trolley. Failure to follow installation instructions
could
result in
death or serious injury
, and
property damage
.
3.2
Top Running End Trucks
3.2.1
Refer to Figure 3-6 and place one end truck on each runway.
3.2.2
Place the crane bridge on the end trucks, and secure it with bolts temporarily. If Harrington
Hoists fabricated the bridge beam, the bridge beam and end truck frames are match marked.
Refer to Figure 3-6.
