Namco Gun Survivor 2 Service Manual

Page 61
7-3 Gun Maintenance
7-3-1 Separating the Gun 1. Remove 4off security screw (M4x16), 3off security screw (M4x20) and remove the Gun Case (R).
2. Reassemble in reverse order.
7-3-2 Replacing the Bush Switch
1.  Separate the Gun (see 7-3-1 above)
2. Disconnect the connector.
3. Remove the retaining nut and withdraw the Bush Switch.
4. Reassemble in reverse order.
Security screw (M4x16)
Security screw (M4x20)
Security screw (M4x16) Gun Case (R)
Bush Switch
Retaining Nut
Connector 

Page 62
7-3-3 Replacing the Trigger switch
1. 
Separate the Gun. (see 7-3-1 page 61)
2. Disconnect the Fast-On terminals.
3. Remove the Trigger Switch by pulling it off the Locating Posts.
4. Reassemble in reverse order.
Note: When refitting the Trigger Switch ensure that the correct colour wire is reconnected to the correct terminal.
Fast-on terminals
Trigger switch
Switch connections
Trigger switch (Grey)
(Brown) 

Page 63
7-3-4 Replacing the Solenoid
1. 
Separate the Gun (see 7-3-1 page 61)
2. Remove 2off security screw (M4x16) and remove the Gun Cover (L).
3. Disconnect the connector.
4. Remove 2off socket cap screw (M4x6), 2off pozi flange screw (M4x16) and remove the Solenoid, complete with Plunger and Slide Guide.
5. Reassemble in reverse order.
Security screw (M4x16) Gun cover (L)
Solenoid
Pozi flange screw (M4x16) Slide Guide
Connector
Socket cap screw (M4x6)
Solenoid 

Page 64 Note: When reassembling the Solenoid ensure that all components are refitted in
their correct positions.
SolenoidPlunger
E-Rings Spacers
Solenoid
Slide Guide 

Page 65
7-4 Replacing the Gun Potentiometers
7-4-1 Replacing the Pitch Potentiometer
1.  Remove the Gun Assy. (see 7-2 page 57)
2. Disconnect the connectors.
3. Remove 1off pozi flange screw (M4x6) and disconnect the Earth Connector.
4. Untwist the cable retainers.
Connector
Earth  connector Cable clip
Pozi flange screw (M4x6)
Cable Retainer
Ya w
Potentiometer
Cable Retainer Gun Assy
bottom surfacePitch
Potentiomete
r 

Page 66 5. Remove 2off countersunk pozi head screws (M4x5) and remove the
Potentiometer Bracket complete with Potentiometer and Movement Bracket.
6. Slacken the Grub screw and remove the Movement Bracket.
7. Replace the Potentiometer.
Ensure that the correct colour wire is fitted to the correct terminal, and that the
Grub screw engages on the flat of the Potentiometer shaft.
8. Reassemble in reverse order.
Movement Bracket
Pot Bracket
Countersunk pozi head
(M4x5)
Pitch
Potentiometer Gun Assy
bottom...

Page 67
7-4-2 Replacing the Roll Potentiometer
1. 
Remove the Gun Assy.  (see 7-2 page 57)
2. Untwist the cable retainers.
3. Slacken the Grub screw and remove the Movement Bracket.
Cable clip
Movement Bracket Grub screw
Wrench
Roll
Potentiometer
Potentiometer Bracket 

Page 68 4. Replace the Potentiometer.
Ensure that the correct colour wire is fitted to the correct terminal, and that the
Grub screw engages on the flat of the Potentiometer shaft.
5. Reassemble in reverse order.
Nut
Spring washer
Flat washer
Roll
Potentiometer Potentiometer Bracket
Flat on
Potentiometer Shaft
Grub screw  
pitch Potentiometer
Red
Yellow Black 

Page 69
7-4-3 Replacing the Yaw Potentiometer
1. 
Remove the Gun Assy. (see 7-2 page 57)
2. Remove 1off pozi flange screw (M4x6) and remove the Potentiometer Bracket, complete with the Potentiometer, taking care not to lose the adaptor.
3. Replace the Potentiometer.
4. Replace the Potentiometer. Ensure that the correct colour wire is fitted to the correct terminal, a\
nd that the
Grub screw engages on the flat of the Potentiometer shaft.
8. Reassemble in reverse order.
Gun Assy
bottom surface Pozi flange...

Page 70 7-5 Replacing the Monitor
1. Remove the Monitor Cabinet rear Upper Panel.
2. Disconnect the Monitor Connectors. (2)
3. Remove 2off security screw (m6x40) and remove the Lower Closing Bracket.
4. Remove 2off security screw (M6x20) and remove the Upper Closing Bracket.
5. Remove the Monitor Glass by tilting it forwards from the top and lifting clear.
Monitor Cabinet
Upper Panel
Security screw (M6x40)
Lower Closing BracketMonitor Glass
Upper Closing Bracket
Security screw (M6x20)