Midway Artic Thunder Game Operations Manual For 39 Dedicated Video Game

							ARCTIC THUNDER7
Chapter 3 Service
VIEWING GLASS SERVICE
To service Viewing Glass...
It’s recommended that two service personnel be present when servicing viewing glass. Refer to Marquee
Service and Viewing Glass Service illustration. 
Switch off power to game machine and unplug AC line cord.
Remove center control cabinet.
1. Remove tamper-resistant screws from either side of cabinet used to fasten it to brackets attached to
the main cabinet. 
2. Slide control cabinet away from the main cabinet enough to expose wiring. 
3. Label and disconnect all wiring, including ground.
4. Continue to slide the cabinet completely away from the main cabinet.   
Open Marquee:
1. Remove hardware from bracket along the bottom edge of the marquee housing.  
						

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Chapter 3 Service
To service Viewing Glass (continued)...
2.Grasp the bracket and lift the marquee housing up. The hinged marquee housing uses a prop rod
located inside the main cabinet to keep it extended during service. Remove the free end of the prop
rod from its retaining clip and insert it in the rod bracket on the lower right side of the marquee housing.    
Label and disconnect all wiring. Disconnect one end of the tension chain. Close the marquee. 
Remove the tamper resistant screws, used on the hinge for the marquee, located at the top rear of the
cabinet. Both Service personnel should grab an edge of the marquee housing and lift it off of the cabinet.
To prevent scratches, the marquee housing should be placed on a cloth covered work surface.
Remove the tamper resistant screws and bracket from the bottom edge of the housing. Remove the
screws and bracket from along the top edge of the housing.
Gently lift the viewing glass up and clear of the housing. Set Viewing Glass aside.
Perform desired repair or equipment replacement. Clean glass before reinstalling.
To service Marquee Mounted Cabinet Speakers… 
Refer to Marquee Service and Viewing Glass Service illustration. Speakers are located on the underside of
the marquee housing. 
Switch off power to game machine and unplug AC line cord.
Remove center control cabinet.
1. Remove tamper-resistant screws from either side of cabinet used to fasten it to brackets attached to
the main cabinet. 
2. Slide the control cabinet away from the main cabinet enough to expose wiring. 
3. Label and disconnect all wiring, including ground.
4. Continue to slide the cabinet completely away from the main cabinet.   
Open Marquee:
1. Remove the hardware from the bracket along the bottom edge of the marquee housing. 
2.Grasp the bracket and lift the marquee housing up. The hinged marquee housing uses a prop rod
located inside the main cabinet to keep it extended during service. Remove the free end of the prop
rod from its retaining clip and insert it in the rod bracket on the lower right side of the marquee housing.    
Label and disconnect speaker wiring, including the ground strap. 
Remove hex nuts on the mounting screws before removing the speakers from the enclosure. 
Perform desired repair or equipment replacement.
Carefully reseat the seals upon completing any task in the speaker enclosure. 
Reconnect wirings, including ground. Refer to the Cabinet Wiring Diagram for correct speaker polarity.   
NOTE:
The speakers are magnetically shielded to prevent video monitor color impurity. Be sure that any
replacement speakers are also magnetically shielded. 
						

							ARCTIC THUNDER9
Chapter 3 Service
To service the Monitor (CRT)…
We recommend that you read WARNINGS thoroughly before beginning this procedure.
Switch off power to game machine and unplug AC line cord.
Remove Marquee and Barrier Panel. Refer to service instructions for Marquee and Barrier Panel.    
Open rear cabinet door and disconnect monitor from wiring harness and ground wires. 
Facing the rear of the game cabinet, locate monitor clamp brackets attached to monitor chassis.
Loosen jam nut, then remove the tamper-resistant screw used to fasten the bracket to the chassis.  
Remove both screws and the hex flange nut used to fasten the clamp bracket to the game cabinet. 
Facing the front of the game cabinet and monitor, remove  the nuts securing monitor mounting flanges to
the mounting panel. 
Pull monitor carefully from cabinet and set aside.
Perform desired repair or equipment replacement.
To service Barrier Panel… 
Refer to Marquee Service and Viewing Glass Service illustration. 
Switch off power to game machine and unplug AC line cord.
Remove center control cabinet.
1. Remove tamper-resistant screws from either side of cabinet used to fasten it to brackets attached to
the main cabinet. 
2. Slide the control cabinet away from the main cabinet enough to expose wiring. 
3. Label and disconnect all wiring, including ground.
4. Continue to slide the cabinet completely away from the main cabinet.   
Open Marquee:
1. Remove hardware from the bracket along the bottom edge of the marquee housing. 
2.Grasp the bracket and lift the marquee housing up. The hinged marquee housing uses a prop rod
located inside the main cabinet to keep it extended during service. Remove the free end of the prop
rod from its retaining clip and insert it in the rod bracket on the lower right side of the marquee housing.    
3.Perform desired repair or equipment replacement. 
 CAUTION
 The video monitor is heavy, with most of the weight toward the front of the assembly. 
Be sure it is firmly supported as it is moved from the cabinet.   
 WARNING
 
 The monitor does not require isolation from the AC line voltage in normal operation. 
When operating outside the cabinet or servicing the monitor on a test bench, ISO-
LATE THE MONITOR FROM LINE VOLTAGE WITH AN ISOLATION TRANS-
FORMER. 
						

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Chapter 3 Service
CONTROL CABINET SERVICE
To service the Control Cabinet…
Refer to Control Cabinet Service illustration. 
Switch off power to game machine and unplug AC line cord.
Remove the tamper resistant screws from either side of control cabinet used to fasten it to cabinet brack-
ets in the main cabinet.
Slide control cabinet halfway back along the rails to expose wiring. Label and disconnect all wiring. 
Continue to slide the cabinet away from the main cabinet until it clears the mounting rails.
Remove molded shroud, if necessary:
1.Remove tamper-resistant screws used to fasten the molded shroud to the top of control cabinet.
2.Lift molded shroud from cabinet and set aside with mounting hardware to prevent breakage and/or
loss. 
NOTE
: During reinstallation, be sure to use the two (2) shortest screws in the centermost holes, at the
front of the shroud.
3.Label and disconnect wiring. 
Perform desired repair or equipment replacement. 
						

							ARCTIC THUNDER11
Chapter 3 Service
To service Blower Fan… 
Refer to Control Cabinet Service illustration. 
Switch off power to game machine and unplug AC line cord.
Remove center control cabinet.
1. Remove tamper-resistant screws from either side of cabinet used to fasten it to brackets attached to
the main cabinet. 
2. Slide control cabinet away from the main cabinet enough to expose wiring. 
3. Label and disconnect all wiring, including ground.
Continue to slide the cabinet completely away from the main cabinet.   
Remove molded shroud:
1.Remove tamper-resistant screws used to fasten the molded shroud to the top of control cabinet.
2.Lift molded shroud from cabinet and set aside with mounting hardware to prevent breakage and/or
loss. NOTE
: During reinstallation, be sure to use the two (2) shortest screws in the centermost holes,
at the front of the shroud.
3.Label and disconnect wiring. 
Remove hex nuts and washers on the mounting screws before removing the fan assembly from enclo-
sure. Set aside hardware.
Lift out fan assembly.
Perform desired repair or equipment replacement.
Be sure to clean the fan filter, or replace with new one,  before reinstallation of fan.
To service Start and Attack Buttons… 
Switch off power to game machine and unplug AC line cord.
Remove controller:
1. Remove tamper-resistant screws used to fasten controller cover to housing and set aside. 
2. Lift up controller cover enough to expose wiring. Label and disconnect all wiring, including ground.
3. Completely remove controller cover.
Perform desired repair or equipment replacement.
To service Throttle…
Refer to Controller Service illustration.
Switch off power to game machine and unplug AC line cord.
Open rear cabinet door.
Label and disconnect all dash wiring, including ground strap.
Remove controller:
1. Remove tamper-resistant screws used to fasten controller cover to housing and set aside. 
2. Lift up controller cover enough to expose wiring.  
						

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Chapter 3 Service
 To service Throttle (continued)…
3.Label and disconnect all wiring, including ground.
4. Completely remove controller cover and set aside until reinstallation.
Perform desired repair or equipment replacement.
Reconnect wires and reinstall. Check for pinched wires.
To service Controller… 
Refer to Controller Service illustration.
Switch off power to game machine and unplug AC line cord.
Open rear cabinet door.
Label and disconnect all dash wiring, including ground strap.
Remove controller:
1. Remove tamper-resistant screws used to fasten controller cover to housing and set aside. 
2. Lift up controller cover enough to expose wiring. 
3. Label and disconnect all wiring, including ground.
4. Completely remove controller cover and set aside until reinstallation.
5. Locate and remove center hub. Remove screws from hub, lift hub from shaft, then set aside until
reinstallation. 
6.Locate and remove hex and lock washer nut used to fasten controller housing to motor shaft.
7. Grab each controller grip and lift up and away from dashboard. If controller housing sticks, perform
bulleted steps listed below, otherwise advance to step 8.
Replace the hub removed in step 5. Fasten in place with the screws provided.  
Locate hex-head bolt. This bolt is secured with a retention clip inside of the controller assembly. 
Insert bolt in hub and tighten down until the controller housing begins to lift up and can be removed
completely. 
 Be sure to return bolt to retention clip for future use. 
8. Set aside controller housing with matching hardware until reinstallation.
Perform desired repair or equipment replacement.
Check for pinched wires, and then reconnect dash wiring and ground strap. 
Fasten in place with screws provided. 
						

							ARCTIC THUNDER13
Chapter 3 Service
CONTROLLER SERVICE
AB
CD
E
F 
						

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Chapter 3 Service
To service Steering Assembly…
Refer to General Dash Service illustration
Switch off power to game machine and unplug the AC line cord.
Unlock and open rear cabinet door.
Remove control cabinet:
1.Remove the tamper resistant screws from either side of control cabinet used to fasten it to brackets
in the main cabinet.
2.Slide control cabinet halfway back along the rails to expose wiring. Label and disconnect all wiring. 
3.Continue to slide the cabinet away from the main cabinet until it clears the mounting rails.
Remove molded shroud:
1.Remove tamper-resistant screws used to fasten the molded shroud to the top of control cabinet.
2.Lift molded shroud from cabinet and set aside with mounting hardware to prevent breakage and/or
loss. NOTE
: During reinstallation, be sure to use the two (2) shortest screws in the centermost holes,
at the front of the shroud.
3.Label and disconnect wiring. 
Remove controller:
1. Remove tamper-resistant screws used to fasten the controller cover to the housing and set aside. 
2. Lift up controller cover enough to expose wiring. Label and disconnect all wiring, including ground.
3. Completely remove controller cover and set aside until reinstallation. 
4. Locate and remove center hub. Remove screws from hub, lift hub from shaft, then set aside until
reinstallation. 
5.Locate and remove hex nut used to fasten controller housing to motor shaft.
6. Grab each controller grip and lift up and away from dashboard. If controller housing sticks, perform
bulleted steps listed below, otherwise advance to step 7.
Replace the hub removed in step 4. Fasten in place with the screws provided. 
Locate hex-head bolt. This bolt is secured with a retention clip inside of the controller assembly. 
Insert bolt in hub and tighten down until controller housing begins to lift up and can be removed
completely. 
 Be sure to return bolt to retention clip for future use. 
7. Set aside controller housing with matching hardware until reinstallation.
8. Locate and remove Phillips head screws used to fasten the anti-pinch plate around motor shaft. 
9. Remove anti-pinch plate and set aside with hardware until reinstallation.
Remove dash shroud:
1. Locate and remove tamper-resistant screws used to fasten shroud to cabinet.
2. Gently slide shroud off of and away from cabinet. Place shroud in a safe place along with hardware
to prevent breakage or loss.
Remove hex nuts used to fasten dash plate to cabinet. 
						

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Chapter 3 Service
To service Steering Assembly (continued)…
Pull plate forward to expose motor. Lift out steering assembly. NOTE
: Use caution when removing motor
due to its weight. 
Perform desired repair or equipment replacement.
While the steering mechanism is exposed, inspect belt for splits in the rubber or other signs of wear at the
edges of teeth. Install a new belt if necessary following the instructions below. 
To service Steering Belt…
Loosen four mounting nuts for the motor bracket. 
Tighten the tension-adjust bolt only until there is no belt deflection, then loosen the bolt one full turn
and tighten the four nuts. 
Reattach mechanism and recalibrate assembly.
IMPORTANT
: Apply removable anaerobic adhesive thread lock (Loctite Blue 242 or equivalent) and
torque set screw to seven to nine ft.-lbs. (84 to 108 in.-lbs.) if it was loosened.
GENERAL DASH SERVICE 
						

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Chapter 3 Service
To service Lower Cabinet Speaker…
This speaker is located on the left-hand side of cabinet just above foot rest. 
Switch off power to game machine and unplug the AC line cord.
Remove control cabinet:
1.Remove the tamper resistant screws from either side of control cabinet used to fasten it to brackets
in the main cabinet.
2.Slide control cabinet halfway back along the rails to expose wiring. Label and disconnect all wiring. 
3.Continue to slide the cabinet away from the main cabinet until it clears the mounting rails.
Locate the speaker. Remove the nuts on the mounting screws before removing the speaker from the
enclosure.
Perform desired repair or equipment replacement. 
Carefully reseat the seals upon completing any task in the speaker enclosure. Reconnect the wires,
including ground. Refer to the Cabinet Wiring Diagram for correct speaker polarity. 
To service Coin Counter...
Switch off power to game machine and unplug AC line cord.
Unlock and open cash door.
Locate meter in lower left-hand corner of vault opening. Record meter count before testing or replace-
ment.
Locate meter wires. Label and disconnect wiring.
Remove screws from front bracket. 
Perform desired repair or equipment replacement. NOTE
: Be sure replacement meter has a diode
across the terminals to protect driver circuits.
To service Coin Meter…
Switch off power to game machine and unplug AC line cord.
Unlock and open cash door. Remove cash tubs. 
The meter is located at the bottom of vault on a plate. Remove screws and lift the plate just enough to
disconnect meter wires from the harness. 
Record the meter count before testing or replacement.
Perform desired repair or equipment replacement.
To service Dollar Bill Validator…
Dollar bill validators or other currency acceptors may be installed in games that are manufactured with an
additional wiring connector. (Use MARS AE2411-U3 UL recognized currency changer)
Switch off power to game machine and unplug the AC line cord. 
Unlock and open coin door. Read label affixed to the door for additional information. 
Disassemble validator and remove material to permit it to fit inside coin door as shown in Dollar Bill Vali-
dator Service illustration, then reassemble unit.