Harrington Hoists and Cranes Series 3 End Truck - Manual (Page 27)

Bridge Beam
End Truck
Crane Runway
Figure 3-6
3.2.3 Refer to Figure 3-7 and check the following.
a) Bridge beam centered on each end truck.
b) Squareness of end truck frames to bridge beam; (X = Y).
X
Y
D
Right Angle
MEASURE DIAGONAL DISTANCES BETWEEN
END TRUCK FRAMES. "X" MUST EQUAL "Y"
Figure 3-7
Make adjustments as necessary. Then securely tighten each fastened connection of the end
truck frame to bridge beam. Refer to tightening torque values of Table 3-1.
3.2.4 Move the crane along the full length of the runway. Check for binding and guide roller clearance
(normal clearance is 5 mm from each guide roller to runway rail edge).
3.2.5 Install braces on the crane bridge and the end trucks. Refer to Figure 3-8. Note: Figure 3-8
depicts a crane with two braces per end truck. Manual or Push crane systems require only one
brace per end truck.
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