Instruction Manual

SM141001C Page 3 of 5 ©Aero-Motive CompanyAug-01
SERVICE
MAIN SPRING REPLACEMENT
WARNING:
Remove all tension before removing mainspring. Hazards or unsafe practices COULD
result in severe personal injury or death.
WARNING:
Spring is dangerous. Before removing broken spring, weld coils together at four (4)
locations or wrap securely with wire. Hazards or unsafe practices COULD result in
severe
personal injury or death.
Remove tension by applying a wrench to the flats on mainspring
shaft and hold. Release tension of mainshaft by squeezing
together spring lever slowly on opposite side of reel. Then
rotate wrench clockwise until proper tension is reached and load
will descend properly. Remove clevis by removing the cotter
pin. Next remove the retaining ring and the three (3) screws,
also plates and screws. Remove housing. Remove drum-cover
nuts and cover. Carefully remove mainspring from drum.
Hub may come off shaft with spring. If so, replace hub into new
spring while making sure hub engages spring coils. Replace
spring in drum while making sure the spring engages in the lip
on drum. To reassemble, reverse the above procedure. Be
sure the hub engages the pin on the main shaft when
reassembling.
CABLE REPLACEMENT
Whenever a cable shows signs of deterioration, it should be replaced with a new cable. Remove tension
by applying a wrench to the flats on mainspring shaft and hold. Release tension of mainshaft by
squeezing together spring lever slowly on opposite side of reel. Then rotate wrench clockwise until
proper tension is reached and load will descend properly. Remove clevis by removing the cotter pin.
Next remove the retaining ring and the three (3) screws, also plates and screws. Remove housing.
Remove nut and cable. Replace with new cable while threading it through guide first when reassembling.
RATCHET LOCK REPLACEMENT
Remove tension by applying a wrench to the flats on mainspring shaft and hold. Release tension of
mainshaft by squeezing together spring lever slowly on opposite side of reel. Then rotate wrench
clockwise until proper tension is reached and load will descend properly. Remove clevis by removing the
cotter pin. Next remove the retaining ring and the three (3) screws, also plates and screws. Remove
retaining ring, washer, and spring lock, and retaining ring. The housing can now be removed. Remove
retaining ring and unclip spring, then remove ratchet lock. To reassemble, reverse the above procedure.
PARTS REPLACEMENT
CAUTION:
Always remove all spring tension (see “Spring Tension Adjustment”) before attempting to
disassemble internal parts. Always remove balancer from service. Hazards or unsafe
practices MAY result in minor personal injury or product or property damage.
NOTE: When ordering replacement parts, always include the balancer model number and serial number.
All parts are replaceable in the field without special tools.
LUBRICATION
All bearings, springs, etc., are permanently lubricated at the factory and should require no further
lubrication.