Harrington Hoists and Cranes RH Wire Rope Hoist - Manual (Page 33)

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14) Lower the pallet just enough until the trolley wheels are resting on the beam flange.
15) Check that all 4 trolley wheels rest correctly on the beam and that the clearance between the wheel
edge and the edge of the beam is 5/64 inch (2 mm) maximum at all 4 wheels (see Figure 3-28).
16) Remove the straps/ropes securing the trolley hoist to the pallet and lower the pallet to the ground.
17) Reattach the Spacers (M) to the Stirrups (F).
18) Using a torque wrench, fully tighten the Screws (D) attaching the Stiffening Plates (E) and the Locking
Nuts (G) of Stirrups (H) to the specified torque values shown in the Table 3-4.
Figure 3-28 Verify Proper Adjustment
Table 3-4 Torque Values
Torque Value (ft-lbs)
Trolley Size 1 2 3 4
Load Bar Lock-Nuts (G) 23 39 94 184
Stiffener Screws (D) 9 18 49 75