Woodhead E, EA & EL Series Balancer - Manual (Page 3)

SM113102D Page 3 of 5 ©Aero-Motive Company Aug-01
SERVICE
TOOL REPLACEMENT
WARNING: NEVER release drum lock unless full load is hung on balancer. If released with no load,
hook will retract rapidly, which causes hazards or unsafe practices and COULD result in
severe personal injury or death.
Pull tool down to the most convenient height and set manual drum lock
by lifting tab allowing pin to snap in (see illustration). This locks the
drum in place. The tool can now be removed and replaced. After
replacing tool, drum lock can be released by pulling outward on tab and
folding it back into its original position.
CABLE REPLACEMENT
NOTE: Whenever cable shows signs of deterioration, it should be replaced with new cable.
WARNING: Never release the drum lock unless the full load is hung on the Balancer.
(If it is necessary to disassemble Balancer to change cable,
always remove all spring tension prior to disassembly (see Spring Tension Adjustment).
Hazards or unsafe practices COULD result in severe personal injury or death.
Whenever a cable shows signs of deterioration, it should be
replaced with a new cable. To replace cable, there is no need to
disassemble the balancer, just remove tension. Remove the bolts
and cover. Pull cable to its extreme lower limit, exposing threaded
plug in drum as shown in the illustration. Engage manual drum lock
(as described in “Tool Replacement”) and remove tool. Remove
plug and old cable. Insert new cable and replace plug and cover
securely. Reattach tool to lower hook and disengage drum lock.
MAIN SPRING REPLACEMENT
CAUTION:
Remove all tension before servicing. Hazards or unsafe practices MAY result in minor
personal injury or product or property damage.
Remove balancer from service, remove the
bolts, and cover assembly. Now remove bolts
and pull spring assembly from drum. Remove
bearing from old spring housing and replace it
in the new one, or replace bearing with a new
bearing. Reassemble in reverse order and
readjust tension as described in Spring
Tension Adjustment. To align springs with
spring hub, it may be necessary to rotate
spring assembly back and forth slightly as
spring assembly is pushed back onto shaft.
MAINTENANCE, INSPECTION & LUBRICATION
Periodic inspection of the cable and lower hook and upper swivel mount assembly is strongly
recommended for safe operation. Bearings and guide rollers should also be inspected periodically to
insure efficient operation. All bearings, springs, etc. are permanently lubricated at the factory and should
require no further lubrication.