Harrington Hoists and Cranes GT Trolley - Manual (Page 46)

3.6.5 Optional Method for Trolleys 8 Ton to 20 Ton, coupled with Electric (N)ER/(N)ER2 hoist – refer to Figure 3-38.
3.6.6 If the trolley cannot be mounted from the end of the beam, complete the installation as follows:

ALWAYS install the trolley onto the beam before installing the hoist to the trolley.
Attemping to install a pre-assembled hoist and trolley onto the beam other than onto the the beam end (per
Section 3.6.2) is dangerous and must not be attempted.
1) Separate the trolley from the hoist by removing the Suspension Shaft(s), Adusting spacers, and Trolley
Fixing Shaft (8 and 10 Ton only).
2) Reassemble the trolley without the hoist by reinstalling the suspension Shaft(s), Trolley Fixing Shaft (8 and
10 Ton only), and outside Adjusting Spacers (refer to Section 3.4). Place inner spacers aside until step
(8).
3) Install the trolley on the beam by following steps (3) to (8) of Section 3.6.4.
4) Use safe and proper rigging practices to secure the trolley side plates so that they will remain firmly in
place after the Suspension Shaft(s) and Trolley Fixing Shaft are removed (next step).
5) Remove the Suspension shaft(s), Trolley Fixing Shaft and outer Adjusting Spacers.
6) Move the hoist up into position between the trolley side plates and line up the trolley and hoist’s
Suspension Shaft holes.
7) Connect the hoist to the trolley by reinstalling the Suspension Shaft(s), Trolley Fixing Shaft, Adjusting
Spacers, Suspension Shaft Bolts(s), and Shaft Stopper Pin(s).
8) Bend Split Pin(s) securely.
9) Ensure that:
 Shaft Stopper Pin(s) is (are) in hole A of the Suspension Shaft(s)
 Split Pins are installed properly.
 Trolley is properly adjusted (refer to Section 3.4.1).
 15-20 Ton Depicted. 8-10 Ton model would have Trolley Fixing Shaft.
Figure 3-38 Optional trolley installation method [8-20 Ton, Electric (N)ER/(N)ER2 Hoist]
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