Figure 5. Suspension Assemblies
1. Lug type (single reeved adapter) for use with Low
Headroom Trolley and Motor Driven Trolley.
2. Swivel hook type (double-reeved adapter).
3. Rigid Hook Type (single-reeved adapter).
4. 12 point suspension screws.
(Do not order parts by these numbers. See parts list.)
ATTACHING SUSPENSION
1. Remove the hook suspension from the carton and the two,
12 point suspension screws from the bag, see Figure 5.
The suspension for a double chain hoist (Models WE, WH
and WR) includes a dead end bolt and block for support-
ing the dead end of the load chain as shown in Figure 5.
2. Place the suspension in the recess on top of hoist. On
double chain hoist, the dead end block should project
through the bottom of hoist with the pin hole and slot
aligned to the underside of hoist as shown in Figure 6. It
may be necessary to lift the bolt head from the hex
recess in the suspension adapter, turn and reseat it, to
obtain this alignment. DO NOT CHANGE THE POSITION
OF THE DEAD END BLOCK ON THE BOLT. The pin hole
should clear the hoist frame by not more than 1/4" on
Models WE and WH and 7/16" on Model WR.
3. Insert the screws through the adapter and engage the self-
locking nuts enclosed in the hoist. Screws will enter the
nuts freely except for the last 1/4" of travel during which the
resistance of the nut locking collar will be encountered.
4. Securely tighten the screws to the recommended seating
torque specified in the table below, using a 12 point sock-
et which fits the head of the screw.
Recommended
Model No.
Screw Size
Seating Torque
WB, WE, WF
3/8-16 UNC-3A
30-45 Lb. Ft.
and WH
WJ, WL,
1/2-20 UNF-3A
40-80 Lb. Ft.
and WR
L
!
WARNING
Using other than CM supplied high strength suspension
screws to attach the suspension adapter to the hoist may
cause the screws to break and allow the hoist and load to fall.
TO AVOID INJURY:
Use only the CM supplied suspension screws to attach the
suspension to the hoist and torque these screws to the recom-
mended seating torque as specified above.
Also, do not apply any type of lubricant to the threads of
these screws. Lubricating the threads will reduce the effort to
seat the screws and, as a result, tightening the screws to the
above recommended torque may break the screw, damage
the suspension adapter, strip the nuts and/or damage the
hoist frame.
ATTACHING LOAD CHAIN
Models WE, WH and WR
1. Suspend the hoist from an adequate support.
2. The hoist is shipped with the dead end of the load chain
temporarily positioned a few links from the end by a plas-
tic tie (1) as shown in Figure 6. Do not remove this plastic
tie until the chain is secured.
3. On Models WE and WH, insert the last link of the load
chain into the dead end block (2) and secure it with the
dead end pin, washer and cotter pin furnished with the
suspension. Remove the plastic tie (1) by cutting with a
pair of electrical pliers.
On Model WR, remove the plastic tie (1) by cutting with a
pair of electrical pliers. Slide the contact block up the
chain until it is against the bottom of the hoist and the
dead end block is projecting through the square opening
in the bottom of the block. Insert the last link of the load
chain, making sure there are no twists between the hook
block and the dead end block, into the dead end block.
Push the contact block up slightly and secure the load
chain to the dead end block using the dead end pin,
washer and cotter pin furnished with the suspension. The
dead end pin also supports the contact block.
4. Do not remove the ties from the load chain until after the
hoist is suspended from its permanent support or tract
system. Now, suspend the hoist from its permanent sup-
port or tract system. If the hoist is to be hung from a Low
Headroom Trolley or a Motor Driven Trolley, refer to the
trolley installation instructions.
INSTALLING ACCESSORIES
Series 635 Low Headroom Trolley
(See Figure 7)
To attach the hoist to the trolley a lug suspension (Figure 3) is
required. The trolley and lug suspension are packed sepa-
rately, and the hook suspension that is packed with the hoist
may be discarded. To install the lug suspension, follow the
instructions for attaching the suspension on this page.
To adjust the trolley to fit the beam properly, proceed as follows:
1. Arrange the side frames, load bracket, spacer washers
and nuts on the suspension bolts according to Figure 7
and Table 2. Do not assemble cotter pins to the bolts.
Note: special trolleys shown in chart require
special suspension bolts.
2. The number of spacers as given in Table 2 is nominally
correct, however, due to the variation in size encountered
on structural steel sections, it will be necessary in some
cases to vary the number used. Therefore, the distance
L
!
WARNING
Operating the trolley on a beam that has no rail stops may
allow the trolley to fall off the end of beam.
TO AVOID INJURY:
Install rail stops at each end of the beam on which the trolley
is to operate.
4
For more information contact: Sievert Crane and Hoist, (708) 771-1600, [email protected], www.sievertcrane.com
