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I. GENERAL
NEVER EXPERIMENT with any of the mechanism. Locate any trouble
with the aid of Wiring Diagrams or Operating
&
Servicing Infor-
mation aunulied with the machine, then check for nroner adjust-
ment of the units involved before making any changes. Improner
adjustment or make-shift renair will only cause serious damage
to other parts of the machine or repeated failure of the part.
NOTE: Always look for a possible loose wire, bad
connection at a nlug and socket, broken or
unhooked springs on step-un units, relays,
etc., before adjustments are made or wires
reconnected.
2.
fUSES
IMPORTANT: Never renlace fuses with any rating other than s'Oec-
ified on the fuse block; this block is located adjacent to the
transformer.
3.
LUBRICATION
Over-lubrication causes far more trouble in coin operated equiry-
ment than under-lubrication~ Practically all cases of noor con-
tact on switches and winer discs are due to oil or grease, or oil
vapor, Which forms a film or residue on the contacts and will not
allow current to Dass through. Excess lubricant may also seen in-
to clutches causing them to slip.
DIPORTANT: NEVER USE VASELINE FOR LUBRICATION OF ANY PART OF THE
NIACHINE. Vaseline is not a true lubricant. It leaves a dirty and
gummy
residue and it becomes very thick when cold. A soecial Coin
Machine Lubricant is supplied with each machine.
STEP-UP Levers, Ratchets, Cams, Shafts and other sliding or os-
cillating parts should be very lightly greased with soecial Coin
Machine Lubricant (suoplied with machine) not oftener than every
six months. The bakelite discs (biscuits) on the Motor Units and
Sten-UD Units will require lubrication with the snecial Coin
Machine Lubricant only after the grease is comnletely evanorated
(3 to
12
month~, deoending on climate) or when the film of grease
becomes dirty. In either-event, clean the narts thoroughly-with
a solvent, then aoply an extremely thin coat of the snecial grease.
Solenoid Plungers should not have a lubricant of any kind.
Should t~1ere be a sluggish tendency or if oLunrte
r-s
are sticking,
the narts should be cleaned with a solvent and flaked granhite
applied on reassembly.
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4.
RELAY and S WITCH ADJUSTMENT
Where relay adjustments are called for, before bending
blades, in all cases, on any ~Rchine, make certain that
the screws holding the switch stacks are down very tightly.
This is suggested because the plastic soacers in the
switch stacks have occasionally shrunk by drying out,
causing a poor adjustment.
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