Harrington Hoists and Cranes Series 3 End Truck User Manual

Page 32

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(1) Slide the Hand Wheel over the Hand Wheel End of the Drive Shaft (the Hand Wheel end

of the Drive Shaft is the end with a through-bolt hole two inches from the shaft end).

(2) Refer to Figure 3-13 or Figure 3-14 whichever applies and insert the Connecting Shaft

into the Hand Wheel end of the Drive Shaft. Line up the three holes - hole in the hub of
the Hand Wheel, hole in the Drive Shaft and the hole in the Connecting Shaft. Insert the
long Bolt B and fasten using the nut and split pin.

(3) Next, hold the Hand Wheel end of the Drive Shaft adjacent to the splined Pinion

Shaft/Axle. Slide the Connecting Shaft onto the Pinion Shaft/Axle. Refer to Figure 3-13
or Figure 3-14 whichever applies.

(4) Last, connect the remaining end of the Drive Shaft to the Joint Shaft in the Bearing

Support Assembly. Refer to Figure 3-15. Hold the remaining end of the Drive Shaft
adjacent to the Bearing Support Assembly. Slide the Joint Shaft through the opposite
side of the Bearing Support Assembly and into the end of the Drive Shaft. Fasten the
Drive Shaft to the Joint Shaft using Bolt A, slotted nut and split pin.

Figure 3-15 Connection of Drive Shaft at Bearing Support Ass’y

c) Middle Section(s) - (If required)

(1) Slide the middle section Drive Shaft over the Joint Shaft previously installed. Refer to

Figure 3-15.

(2) Hold the remaining end of the Middle Drive Shaft adjacent to the next Bearing Support

Assembly. Slide the Joint Shaft through the opposite side of the Bearing Support
Assembly and into the end of the Drive Shaft.

(3) Fasten the Drive Shaft to the Joint Shaft using Bolt A, slotted nut and split pin.

d) Install the last Drive Shaft Section to the End Truck.

(1) Refer to Figure 3-13 or Figure 3-14 whichever applies and insert the Connecting Shaft

into the end truck side of the Drive Shaft (the end truck "end" has the through-bolt hole 51
mm from the end of the Drive Shaft). Leave the Connecting Shaft fully inserted. Do not
line up the through-bolt holes and do not fasten yet.

(2) Slide the end truck side of the Drive Shaft (with connecting shaft fully inserted) onto the

splined Pinion Shaft/Axle of the end truck. Refer to Figure 3-13 or Figure 3-14 whichever
applies. Do not attempt to line up holes or fasten hardware.

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