Williams Drop Target Guide (03-7479 or 3B-7479) by PL1

Last crawled date: 4 years, 7 months ago

Williams Drop Target Guide P/N 03-7479 or 3B-7479
v 0.03 - Narrowed columns, adjusted ramp, adjusted position of wall near ramp, enlarged bottom screw hole 10 Apr 18
v 0.02 - Changed default screw hole sizes 27 Mar 2018
v 0.01 - First draft 27 Mar 2018
The model and SCAD files recreate and remix https://www.thingiverse.com/thing:2792174.
- Corrections to that part are based on measurements of original parts and hardware
- PCB columns changed to ovals for greater strength
- Inspected by PBJ from BYOAC for accuracy and suitability
- Tested and confirmed working in PBJ's "Alien Poker" machine
- SCAD file included in case you need to change screw hole sizes
- Printed using PLA, with supports and a raft
This part is used in Williams System 3-6 tables.
Planetary Pinball has online copies of Bally and Williams parts catalogs

here.
The Williams 1980 catalog here contains related parts diagrams.
Drop target assemblies are on pages 113-118 -- they all use the 03-7479 guide.
The D-8362 assembly diagram on page 116 shows PCB screws that are the same P/N as the horseshoe screws. (4104-1001-06)
Drop target assemblies that use the 03-7479 guide:
D-7931-#s - # = number of targets (between 1 and 5)
D-8362 - 5 targets
D-8442 - 3 targets
D-9355 - 3 targets
Screw sizes:
#6-32 x 3/4" machine screw (outer columns)
#4 x 1/4" sheet metal screw (inner columns)
Scott