Use and Care Manual

Table of Contents Rev. 11/29/2023 E-MT, MANUAL

INSTALLING THE TROLLEY

WARNING

DO NOT install, or use, this product on a beam unless there are stops at the end of the beam. Without stops,

the trolley might roll off of the beam.

Before installing the manual trolley, the user should acquire a copy of the most recent revision of US national

standard ASME B30.17 (the “Standard”). Apply all provisions of the Standard that are relevant to the

installation of manual trolleys.

Part names and numbers appearing in these instructions correspond to the descriptions and numeral(s)

after the last hyphen of the part numbers in the Main Assembly Parts List on p. 3. For example, “Pin,

Equalizer” is part no. E-MT-16-7 in the Main Assembly Parts List. In the following instructions, it is referred to as

“Equalizer Pin, (7)”.

The following diagram depicts a cross-sectional view of the trolley installed on the bottom flange of an S-

flange I-beam.

E-MT manual trolleys are designed for use with either S-flange beams (preferred), or a patented form of

Rail beams depicted in ASME B30.17 (acceptable). DO NOT use the E-MT trolley on a wide flange beam or

other flat flange beam (e.g. H-beam or W-beam).

Spin the Equalizer Pin, (7), until the clearance between the Drive Wheels, (2) and (8), exceeds the width

of the beam. Take care not to spin either Gear Case, (1) and (10), off the end of the Pin.

Lift the Trolley in place on the beam. Shift the Trolley to one side so that the beam flange contacts the

Drive Wheel flanges on one side of the Trolley. Spin the Equalizer Pin until there is 1/8” to 1/4” (3.2mm to

6.4mm) clearance between the Drive Wheels on the opposite side of the Trolley.

USING THE TROLLEY

Trolleys without chains and tooth gears, i.e. models E-MT-##, are moved purely by manual power. To

move the trolley, apply a steady pulling force to the load hook of the hoist attached to the trolley. Only

release the load when it is centered beneath the trolley to prevent the load from swinging.

Trolleys with hand chains, i.e. model numbers E-MT-##-C, are also moved by manual effort. However,

effort is transmitted to the tooth gears through a gear system. To move the trolley, pull the chain one way or

the other. As the chain interacts with the chain wheel, the spindle rotates, and the spindle causes the tooth

gears to rotate. Gear rotation moves the trolley in the same direction of the rotation.

 To move the trolley to the left, face the chain wheel and pull on the right side of the chain.

 To move the trolley to the right, face the chain wheel and pull on the left side of the chain.

S-flange tapers

(thickens)

towards the

web

W-beam S-beam

Only install trolley on S-flange

beams (tapered flange)

Maximum permissible gap

Beam web