R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist TMU Motorized Trolley - Manual (Page 7)

LM TMU I&M MANUAL/EN/06.15.2009
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Copyright © (2009) R&M Materials Handling, Inc. All rights reserved.
Figure 1. Trolley Installation and Recommended Torque Tensions
Y + Z = 5/32" [4mm] MAX
The total play between wheel flange and the beam flange must not exceed 5/32" [4mm]. The distance
between trolley side plates must be equal to the sum of the beam flange width + 1 15/16" [50mm].
1.2 Coupling Suspension
Figure 2. Parallel and Perpendicular Coupling Suspensions
When setting the hoist in position, check that the suspension hook or coupling is correctly positioned,
depending on whether the chain hoist is a one-fall or two-fall design. This is necessary for proper balance of
hoist when loaded.
In all cases, allow minimum of one washer under each
tension rod nut.
Recommended
Tightening
Torque for tension rod nut
C1 Trolley: 177 ft-lbs
C2 Trolley: 300 ft-lbs
C3 Trolley: 545 ft-lbs
C5 Trolley: 545 ft-lbs
C1 Trolley: 240 N m
C2 Trolley: 410 N m
C3 Trolley: 740 N m
C5 Trolley: 740 N m