nazerine
Well-known member
Hey everyone,
Here's some info I learned about my Chase HQ game, and some repairs:
Taito Chase H.Q. Steering Mod
My game came with the steering wheel free spinning 360 degrees, from factory the steering wheel has a bump stop, and spring return only allowing 270 degrees right and left.
To my surprise inside my cabinet I found a document detailing "Chase H.Q. Steering Mod", which is how to convert the game to have free spin steering! Awesome I said! I couldn't find ANYTHING about this online. This mod definitely makes the game way more fun to play.
So to convert your setup to free spin, you must remove the spring, steering bump stop, and the optical sensor that detects center. Now here's the big secret, Dip switch bank A, switch #1 -- Must be set to ON for free spin, OFF for 270 degree.
Steering Wheel Repair
I picked up a Chase H.Q. machine last week. Outside of the game board issues, the steering was in TERRIBLE shape .. it was able to free spin 360 degrees, and had a major amount of slop .. the steering didn't work well at all.
So, I tore it down. The bolts holding the steering wheel on were loose, and slightly stripped. Had to re-tap the holes, bought new bolts. Old bolts had bits of aluminum stuck in the threads, yuck.
Next was the gear assembly which drives the optical sensor, it was all worn out and everything was loose. The brass bushings that the gear shafts go through, and held onto an aluminum plate using some kind of clip, similar to a lock washer but made out of spring steel. Doesn't seem very clever.
So I decided to work with what I had, and cleaned the brass bushings up, sanded off the high spots on the aluminum bracket, and silver soldered them in place. You cannot bond brass to aluminum with silver solder (unless you have the right flux), so the solder itself is acting like a retainer. Seems to have worked well so far!
So one plastic gear with two set screws was pretty messed up .. the teeth were a little wrecked from riding at an angle for years (loose brass bushing). I used some pins to open the gap, and super glued it back together. Appears to have worked.
So then I put it all back together, and the tolerances were almost too tight! With grease it didn't spin nice and free like it used to. I guess that means its fixed properly?
Here's some info I learned about my Chase HQ game, and some repairs:
Taito Chase H.Q. Steering Mod
My game came with the steering wheel free spinning 360 degrees, from factory the steering wheel has a bump stop, and spring return only allowing 270 degrees right and left.
To my surprise inside my cabinet I found a document detailing "Chase H.Q. Steering Mod", which is how to convert the game to have free spin steering! Awesome I said! I couldn't find ANYTHING about this online. This mod definitely makes the game way more fun to play.
So to convert your setup to free spin, you must remove the spring, steering bump stop, and the optical sensor that detects center. Now here's the big secret, Dip switch bank A, switch #1 -- Must be set to ON for free spin, OFF for 270 degree.
Steering Wheel Repair
I picked up a Chase H.Q. machine last week. Outside of the game board issues, the steering was in TERRIBLE shape .. it was able to free spin 360 degrees, and had a major amount of slop .. the steering didn't work well at all.
So, I tore it down. The bolts holding the steering wheel on were loose, and slightly stripped. Had to re-tap the holes, bought new bolts. Old bolts had bits of aluminum stuck in the threads, yuck.
Next was the gear assembly which drives the optical sensor, it was all worn out and everything was loose. The brass bushings that the gear shafts go through, and held onto an aluminum plate using some kind of clip, similar to a lock washer but made out of spring steel. Doesn't seem very clever.
So I decided to work with what I had, and cleaned the brass bushings up, sanded off the high spots on the aluminum bracket, and silver soldered them in place. You cannot bond brass to aluminum with silver solder (unless you have the right flux), so the solder itself is acting like a retainer. Seems to have worked well so far!
So one plastic gear with two set screws was pretty messed up .. the teeth were a little wrecked from riding at an angle for years (loose brass bushing). I used some pins to open the gap, and super glued it back together. Appears to have worked.
So then I put it all back together, and the tolerances were almost too tight! With grease it didn't spin nice and free like it used to. I guess that means its fixed properly?
