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VIII. ROUTINE MAINTENANCE ON LOCATION:
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After successful
completion of the Self Diagnostic Test Procedure, set the game up for play. Exercise each
roll-over, thumper bumper, slingshot, etc., by hand until each switch assembly on the playfield has been checked
for proper operation. If actuating a switch assembly results in intermittent or no response, clean contacts by
gently closing them on a clean business card or piece of paper and wiping until they wipe clean. Re-gap,
it
necessary, to 1/16". Do not burnish or file Gold Plated Switch Contacts.
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IX. SWITCH ASSEMBLY ADJUSTMENTS:
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GENERAL:
All switch assemblies consist of leaf springs, contacts, separators, plastic tubing and screws to hold them to the
mounting surface. Before attempting to adjust a switch assembly, make sure that these screws are tight. If not,
tighten screw closest to the contact end of the leaf spring first. This will prevent the assembly from being secured
in such a manner that the leaf springs tend to fan out. In general, all leaf springs are adjusted for a
1/16"
gap in the open position and .010" over-travel or wipe in the closed position. All contacts should be in good
condition. Unless otherwise instructed, they should be dry or non-lubricated. All contacts should be free of dust
and dirt. Contacts, with the exception of the flipper button switch assemblies are plated to resist corrosion.
Filing or burnishing breaks the finish and encourages corrosion. Clean by closing the contacts over a clean
piece of paper (e.g. a lint free business card) and wiping gently until the contacts are clean. For the flipper button
switch assemblies ONLY: Tarnish can be removed with a contact file followed by burnishing tool. Severely pitted
contacts must be placed and adjusted only when they are found to be a source of game malfunction.
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X. SERVICE HINTS:
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The Bally playfield has an improved tuff-coat finish with excellent wearing properties. Life expectancy of the
playfield as well as play appeal, can be extended by periodic cleaning.
DO: Bally recommends you clean your playfield with Wildcat #125 (Wildcat Chemical Co. 1349 East Seminary Drive;
Fort Worth, Texas 76115; Phone 1-817/924-8321). Wildcat #125 is a combination cleaner and polish. Bally has
tried and tested this product and found it to be very effective. If Wildcat #125 is not available, Bally suggests
you ask your distributor to order it. Inspect and hand polish the ball in a clean cloth. A chipped ball must
be replaced. It can ruin the finish on the playfield in a short period of time.
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DON'T: Use water in large quantities, highly caustic cleaners, abrasive cleaners and cleaning pads on the
playfield, or allow a wax or polish build up. Waxes yellow with age and spoil appeal.
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