Page 7 - WilliamsMidway WPC 91 Schematics 16-9289

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Assembly
1. Open the shipp ing container; remove all cartons ,parts, and other items, and set them aside.
2. Place the cab inet on a support and attach rear legs (after installing leg levelers), using leg
bolts. Leg leve lers and leg bolts are provided among the parts in the cash box.
3. Attach the front legs (after installing leg levelers), using leg bolts.
4. Reach into the cabinet and backbox and ensure that the interconnecting cables are free to move
(not kinked or pinched ). Be careful to avoid damaging wires at any stage of the assembly process.
5. Raise the hinged backbox upright and latch it into position. Unlock the backbox ,and remove the
backglass, storing it carefully to avoid scratches. Remove the shipping block holding the Insert
Board. Unlatch and open the Insert Board. This allows access to the bolt holes used for securing the
backbox upright. Install the washer-head mounting bolts through the bottom holes of the backbox
into the threaded fasteners in the cabinet to secure the backbox. Close the Insert Board and latch it
in position. Reinstall the backglass, and lock the baekbox,
FAILURE TO INSTALL
the backbox mounting hardware properly can cause personal injury.
NEVER TRANSPORT
a pinball game with the hinged baekbox erect .
.Always
lower the backbox
forward onto the playfield cabinet on a layer of protective material to prevent marring or damage
and possible personal inju ry.
6. Extend each leg leveler
slightly
belowthe leg bottom, so that all four foot pads are extended about
the same distance. Removethe cabinet from its support and place it on the floor.
7. Unlock and open the coin door. Locate the Molding Latch Lever, and move the lever toward the
left side of the game , to release the Front Molding. Lift the Front Molding off the playfield cover
glass return the Latch Lever toward the right, and close the coin door .
Carefully
slide the glass
downward ,until it clears the grooves of the Left and Right Side Moldings . Lift the glass up and
away from the game, storing it carefully to avo idbreakage.
8. Place a level or an inclinometer on the playfield surface . Adjust the leg levelers for proper
playfield level (side-to-side)
!!.l1Ji"
playfield pitch angle (incline ) of approximately 6-7 degrees.
NOTE: It is recommended that these measurements be made ON the playfield, not the cab inet nor
the playfield cover glass. Tighten the nut on each leg leveler shaft to mainta in this setting.
C A lU'll'll
e
N
Playfield pitch angle adjustments can affect the operation of the plumb bob tilt, inside the cabinet.
The plumb bob weight is among the parts in the cash box; the operator should install the weight and
adjust this tilt mechanism for proper operatio n, after completion of the desired playfield pitch
angle setting.